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Linux » Linux Kernel » 2.6.20.15 : Security Vulnerabilities Published In 2011

Cpe Name:cpe:/o:linux:linux_kernel:2.6.20.15
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# CVE ID CWE ID # of Exploits Vulnerability Type(s) Publish Date Update Date Score Gained Access Level Access Complexity Authentication Conf. Integ. Avail.
1 CVE-2011-2928 20 DoS 2011-08-29 2012-03-22
4.9
None Local Low Not required None None Complete
The befs_follow_link function in fs/befs/linuxvfs.c in the Linux kernel before 3.1-rc3 does not validate the length attribute of long symlinks, which allows local users to cause a denial of service (incorrect pointer dereference and OOPS) by accessing a long symlink on a malformed Be filesystem.
2 CVE-2011-2723 399 DoS 2011-09-06 2012-03-19
5.7
None Local Network Medium Not required None None Complete
The skb_gro_header_slow function in include/linux/netdevice.h in the Linux kernel before 2.6.39.4, when Generic Receive Offload (GRO) is enabled, resets certain fields in incorrect situations, which allows remote attackers to cause a denial of service (system crash) via crafted network traffic.
3 CVE-2011-2700 119 DoS Overflow 2011-09-06 2012-03-19
2.1
None Local Low Not required None None Partial
Multiple buffer overflows in the si4713_write_econtrol_string function in drivers/media/radio/si4713-i2c.c in the Linux kernel before 2.6.39.4 on the N900 platform might allow local users to cause a denial of service or have unspecified other impact via a crafted s_ext_ctrls operation with a (1) V4L2_CID_RDS_TX_PS_NAME or (2) V4L2_CID_RDS_TX_RADIO_TEXT control ID.
4 CVE-2011-2695 189 DoS 2011-07-28 2012-03-19
4.9
None Local Low Not required None None Complete
Multiple off-by-one errors in the ext4 subsystem in the Linux kernel before 3.0-rc5 allow local users to cause a denial of service (BUG_ON and system crash) by accessing a sparse file in extent format with a write operation involving a block number corresponding to the largest possible 32-bit unsigned integer.
5 CVE-2011-2689 399 DoS 2011-07-28 2014-01-13
4.9
None Local Low Not required None None Complete
The gfs2_fallocate function in fs/gfs2/file.c in the Linux kernel before 3.0-rc1 does not ensure that the size of a chunk allocation is a multiple of the block size, which allows local users to cause a denial of service (BUG and system crash) by arranging for all resource groups to have too little free space.
6 CVE-2011-2534 119 DoS Overflow 2011-06-22 2012-03-19
4.0
None Local High Not required None None Complete
Buffer overflow in the clusterip_proc_write function in net/ipv4/netfilter/ipt_CLUSTERIP.c in the Linux kernel before 2.6.39 might allow local users to cause a denial of service or have unspecified other impact via a crafted write operation, related to string data that lacks a terminating '\0' character.
7 CVE-2011-2497 189 DoS Overflow Mem. Corr. 2011-08-29 2012-03-19
8.3
None Local Network Low Not required Complete Complete Complete
Integer underflow in the l2cap_config_req function in net/bluetooth/l2cap_core.c in the Linux kernel before 3.0 allows remote attackers to cause a denial of service (heap memory corruption) or possibly have unspecified other impact via a small command-size value within the command header of a Logical Link Control and Adaptation Protocol (L2CAP) configuration request, leading to a buffer overflow.
8 CVE-2011-2492 200 +Info 2011-07-28 2014-01-13
1.9
None Local Medium Not required Partial None None
The bluetooth subsystem in the Linux kernel before 3.0-rc4 does not properly initialize certain data structures, which allows local users to obtain potentially sensitive information from kernel memory via a crafted getsockopt system call, related to (1) the l2cap_sock_getsockopt_old function in net/bluetooth/l2cap_sock.c and (2) the rfcomm_sock_getsockopt_old function in net/bluetooth/rfcomm/sock.c.
9 CVE-2011-2484 399 DoS Bypass 2011-06-24 2012-03-19
4.9
None Local Low Not required None None Complete
The add_del_listener function in kernel/taskstats.c in the Linux kernel 2.6.39.1 and earlier does not prevent multiple registrations of exit handlers, which allows local users to cause a denial of service (memory and CPU consumption), and bypass the OOM Killer, via a crafted application.
10 CVE-2011-2213 399 DoS 2011-08-29 2014-01-13
4.9
None Local Low Not required None None Complete
The inet_diag_bc_audit function in net/ipv4/inet_diag.c in the Linux kernel before 2.6.39.3 does not properly audit INET_DIAG bytecode, which allows local users to cause a denial of service (kernel infinite loop) via crafted INET_DIAG_REQ_BYTECODE instructions in a netlink message, as demonstrated by an INET_DIAG_BC_JMP instruction with a zero yes value, a different vulnerability than CVE-2010-3880.
11 CVE-2011-2189 399 DoS 2011-10-10 2012-09-17
7.8
None Remote Low Not required None None Complete
net/core/net_namespace.c in the Linux kernel 2.6.32 and earlier does not properly handle a high rate of creation and cleanup of network namespaces, which makes it easier for remote attackers to cause a denial of service (memory consumption) via requests to a daemon that requires a separate namespace per connection, as demonstrated by vsftpd.
12 CVE-2011-2184 DoS 2011-09-06 2012-03-19
7.2
None Local Low Not required Complete Complete Complete
The key_replace_session_keyring function in security/keys/process_keys.c in the Linux kernel before 2.6.39.1 does not initialize a certain structure member, which allows local users to cause a denial of service (NULL pointer dereference and OOPS) or possibly have unspecified other impact via a KEYCTL_SESSION_TO_PARENT argument to the keyctl function, a different vulnerability than CVE-2010-2960.
13 CVE-2011-2022 20 DoS +Priv 2011-05-09 2014-01-13
6.9
None Local Medium Not required Complete Complete Complete
The agp_generic_remove_memory function in drivers/char/agp/generic.c in the Linux kernel before 2.6.38.5 does not validate a certain start parameter, which allows local users to gain privileges or cause a denial of service (system crash) via a crafted AGPIOC_UNBIND agp_ioctl ioctl call, a different vulnerability than CVE-2011-1745.
14 CVE-2011-1776 119 DoS Overflow +Info 2011-09-06 2014-01-13
5.6
None Local Low Not required Partial None Complete
The is_gpt_valid function in fs/partitions/efi.c in the Linux kernel before 2.6.39 does not check the size of an Extensible Firmware Interface (EFI) GUID Partition Table (GPT) entry, which allows physically proximate attackers to cause a denial of service (heap-based buffer overflow and OOPS) or obtain sensitive information from kernel heap memory by connecting a crafted GPT storage device, a different vulnerability than CVE-2011-1577.
15 CVE-2011-1771 DoS 2011-09-06 2012-03-19
4.7
None Local Medium Not required None None Complete
The cifs_close function in fs/cifs/file.c in the Linux kernel before 2.6.39 allows local users to cause a denial of service (NULL pointer dereference and BUG) or possibly have unspecified other impact by setting the O_DIRECT flag during an attempt to open a file on a CIFS filesystem.
16 CVE-2011-1770 189 DoS 2011-06-24 2012-03-19
7.8
None Remote Low Not required None None Complete
Integer underflow in the dccp_parse_options function (net/dccp/options.c) in the Linux kernel before 2.6.33.14 allows remote attackers to cause a denial of service via a Datagram Congestion Control Protocol (DCCP) packet with an invalid feature options length, which triggers a buffer over-read.
17 CVE-2011-1748 20 DoS 2011-05-09 2012-04-16
4.9
None Local Low Not required None None Complete
The raw_release function in net/can/raw.c in the Linux kernel before 2.6.39-rc6 does not properly validate a socket data structure, which allows local users to cause a denial of service (NULL pointer dereference) or possibly have unspecified other impact via a crafted release operation.
18 CVE-2011-1747 399 DoS 2011-05-09 2012-03-19
4.7
None Local Medium Not required None None Complete
The agp subsystem in the Linux kernel 2.6.38.5 and earlier does not properly restrict memory allocation by the (1) AGPIOC_RESERVE and (2) AGPIOC_ALLOCATE ioctls, which allows local users to cause a denial of service (memory consumption) by making many calls to these ioctls.
19 CVE-2011-1746 189 DoS Overflow 2011-05-09 2014-01-13
6.9
None Local Medium Not required Complete Complete Complete
Multiple integer overflows in the (1) agp_allocate_memory and (2) agp_create_user_memory functions in drivers/char/agp/generic.c in the Linux kernel before 2.6.38.5 allow local users to trigger buffer overflows, and consequently cause a denial of service (system crash) or possibly have unspecified other impact, via vectors related to calls that specify a large number of memory pages.
20 CVE-2011-1745 189 DoS Overflow +Priv 2011-05-09 2014-01-13
6.9
None Local Medium Not required Complete Complete Complete
Integer overflow in the agp_generic_insert_memory function in drivers/char/agp/generic.c in the Linux kernel before 2.6.38.5 allows local users to gain privileges or cause a denial of service (system crash) via a crafted AGPIOC_BIND agp_ioctl ioctl call.
21 CVE-2011-1598 20 DoS 2011-05-09 2012-03-19
4.9
None Local Low Not required None None Complete
The bcm_release function in net/can/bcm.c in the Linux kernel before 2.6.39-rc6 does not properly validate a socket data structure, which allows local users to cause a denial of service (NULL pointer dereference) or possibly have unspecified other impact via a crafted release operation.
22 CVE-2011-1593 189 DoS Overflow 2011-05-03 2014-01-13
4.9
None Local Low Not required None None Complete
Multiple integer overflows in the next_pidmap function in kernel/pid.c in the Linux kernel before 2.6.38.4 allow local users to cause a denial of service (system crash) via a crafted (1) getdents or (2) readdir system call.
23 CVE-2011-1581 20 DoS 2011-05-26 2012-03-19
4.6
None Local Network High Not required None None Complete
The bond_select_queue function in drivers/net/bonding/bond_main.c in the Linux kernel before 2.6.39, when a network device with a large number of receive queues is installed but the default tx_queues setting is used, does not properly restrict queue indexes, which allows remote attackers to cause a denial of service (BUG and system crash) or possibly have unspecified other impact by sending network traffic.
24 CVE-2011-1577 119 DoS Overflow 2011-05-03 2014-01-13
4.9
None Local Low Not required None None Complete
Heap-based buffer overflow in the is_gpt_valid function in fs/partitions/efi.c in the Linux kernel 2.6.38 and earlier allows physically proximate attackers to cause a denial of service (OOPS) or possibly have unspecified other impact via a crafted size of the EFI GUID partition-table header on removable media.
25 CVE-2011-1495 20 DoS +Priv Mem. Corr. +Info 2011-05-03 2014-01-13
7.2
Admin Local Low Not required Complete Complete Complete
drivers/scsi/mpt2sas/mpt2sas_ctl.c in the Linux kernel 2.6.38 and earlier does not validate (1) length and (2) offset values before performing memory copy operations, which might allow local users to gain privileges, cause a denial of service (memory corruption), or obtain sensitive information from kernel memory via a crafted ioctl call, related to the _ctl_do_mpt_command and _ctl_diag_read_buffer functions.
26 CVE-2011-1494 189 DoS Overflow +Priv Mem. Corr. 2011-05-03 2014-01-13
6.9
None Local Medium Not required Complete Complete Complete
Integer overflow in the _ctl_do_mpt_command function in drivers/scsi/mpt2sas/mpt2sas_ctl.c in the Linux kernel 2.6.38 and earlier might allow local users to gain privileges or cause a denial of service (memory corruption) via an ioctl call specifying a crafted value that triggers a heap-based buffer overflow.
27 CVE-2011-1478 DoS 2011-10-23 2012-05-13
5.7
None Local Network Medium Not required None None Complete
The napi_reuse_skb function in net/core/dev.c in the Generic Receive Offload (GRO) implementation in the Linux kernel before 2.6.38 does not reset the values of certain structure members, which might allow remote attackers to cause a denial of service (NULL pointer dereference) via a malformed VLAN frame.
28 CVE-2011-1173 200 +Info 2011-06-22 2012-03-22
5.0
None Remote Low Not required Partial None None
The econet_sendmsg function in net/econet/af_econet.c in the Linux kernel before 2.6.39 on the x86_64 platform allows remote attackers to obtain potentially sensitive information from kernel stack memory by reading uninitialized data in the ah field of an Acorn Universal Networking (AUN) packet.
29 CVE-2011-1172 200 +Info 2011-06-22 2014-01-13
2.1
None Local Low Not required Partial None None
net/ipv6/netfilter/ip6_tables.c in the IPv6 implementation in the Linux kernel before 2.6.39 does not place the expected '\0' character at the end of string data in the values of certain structure members, which allows local users to obtain potentially sensitive information from kernel memory by leveraging the CAP_NET_ADMIN capability to issue a crafted request, and then reading the argument to the resulting modprobe process.
30 CVE-2011-1171 200 +Info 2011-06-22 2014-01-13
2.1
None Local Low Not required Partial None None
net/ipv4/netfilter/ip_tables.c in the IPv4 implementation in the Linux kernel before 2.6.39 does not place the expected '\0' character at the end of string data in the values of certain structure members, which allows local users to obtain potentially sensitive information from kernel memory by leveraging the CAP_NET_ADMIN capability to issue a crafted request, and then reading the argument to the resulting modprobe process.
31 CVE-2011-1170 200 +Info 2011-06-22 2014-01-13
2.1
None Local Low Not required Partial None None
net/ipv4/netfilter/arp_tables.c in the IPv4 implementation in the Linux kernel before 2.6.39 does not place the expected '\0' character at the end of string data in the values of certain structure members, which allows local users to obtain potentially sensitive information from kernel memory by leveraging the CAP_NET_ADMIN capability to issue a crafted request, and then reading the argument to the resulting modprobe process.
32 CVE-2011-1169 20 DoS +Priv Mem. Corr. 2011-05-03 2012-04-27
6.9
None Local Medium Not required Complete Complete Complete
Array index error in the asihpi_hpi_ioctl function in sound/pci/asihpi/hpioctl.c in the AudioScience HPI driver in the Linux kernel before 2.6.38.1 might allow local users to cause a denial of service (memory corruption) or possibly gain privileges via a crafted adapter index value that triggers access to an invalid kernel pointer.
33 CVE-2011-1163 20 +Info 2011-04-09 2014-01-13
2.1
None Local Low Not required Partial None None
The osf_partition function in fs/partitions/osf.c in the Linux kernel before 2.6.38 does not properly handle an invalid number of partitions, which might allow local users to obtain potentially sensitive information from kernel heap memory via vectors related to partition-table parsing.
34 CVE-2011-1093 DoS 2011-07-18 2014-01-13
7.8
None Remote Low Not required None None Complete
The dccp_rcv_state_process function in net/dccp/input.c in the Datagram Congestion Control Protocol (DCCP) implementation in the Linux kernel before 2.6.38 does not properly handle packets for a CLOSED endpoint, which allows remote attackers to cause a denial of service (NULL pointer dereference and OOPS) by sending a DCCP-Close packet followed by a DCCP-Reset packet.
35 CVE-2011-1090 399 DoS 2011-05-09 2012-03-19
4.9
None Local Low Not required None None Complete
The __nfs4_proc_set_acl function in fs/nfs/nfs4proc.c in the Linux kernel before 2.6.38 stores NFSv4 ACL data in memory that is allocated by kmalloc but not properly freed, which allows local users to cause a denial of service (panic) via a crafted attempt to set an ACL.
36 CVE-2011-1083 399 DoS 2011-04-04 2013-02-14
4.9
None Local Low Not required None None Complete
The epoll implementation in the Linux kernel 2.6.37.2 and earlier does not properly traverse a tree of epoll file descriptors, which allows local users to cause a denial of service (CPU consumption) via a crafted application that makes epoll_create and epoll_ctl system calls.
37 CVE-2011-1082 399 DoS 2011-04-04 2012-03-19
4.9
None Local Low Not required None None Complete
fs/eventpoll.c in the Linux kernel before 2.6.38 places epoll file descriptors within other epoll data structures without properly checking for (1) closed loops or (2) deep chains, which allows local users to cause a denial of service (deadlock or stack memory consumption) via a crafted application that makes epoll_create and epoll_ctl system calls.
38 CVE-2011-1076 DoS 2011-10-04 2012-05-14
7.8
None Remote Low Not required None None Complete
net/dns_resolver/dns_key.c in the Linux kernel before 2.6.38 allows remote DNS servers to cause a denial of service (NULL pointer dereference and OOPS) by not providing a valid response to a DNS query, as demonstrated by an erroneous grand.centrall.org query, which triggers improper handling of error data within a DNS resolver key.
39 CVE-2011-1044 119 Overflow +Info 2011-02-18 2014-01-13
1.9
None Local Medium Not required Partial None None
The ib_uverbs_poll_cq function in drivers/infiniband/core/uverbs_cmd.c in the Linux kernel before 2.6.37 does not initialize a certain response buffer, which allows local users to obtain potentially sensitive information from kernel memory via vectors that cause this buffer to be only partially filled, a different vulnerability than CVE-2010-4649.
40 CVE-2011-1020 264 DoS +Info 2011-02-28 2012-03-19
2.1
None Local Low Not required Partial None None
The proc filesystem implementation in the Linux kernel 2.6.37 and earlier does not restrict access to the /proc directory tree of a process after this process performs an exec of a setuid program, which allows local users to obtain sensitive information or cause a denial of service via open, lseek, read, and write system calls.
41 CVE-2011-1017 119 Overflow +Priv +Info 2011-03-01 2012-03-19
7.2
None Local Low Not required Complete Complete Complete
Heap-based buffer overflow in the ldm_frag_add function in fs/partitions/ldm.c in the Linux kernel 2.6.37.2 and earlier might allow local users to gain privileges or obtain sensitive information via a crafted LDM partition table.
42 CVE-2011-1016 20 2011-02-28 2012-03-19
6.9
None Local Medium Not required Complete Complete Complete
The Radeon GPU drivers in the Linux kernel before 2.6.38-rc5 do not properly validate data related to the AA resolve registers, which allows local users to write to arbitrary memory locations associated with (1) Video RAM (aka VRAM) or (2) the Graphics Translation Table (GTT) via crafted values.
43 CVE-2011-1013 189 DoS 2011-05-09 2012-03-19
7.2
None Local Low Not required Complete Complete Complete
Integer signedness error in the drm_modeset_ctl function in (1) drivers/gpu/drm/drm_irq.c in the Direct Rendering Manager (DRM) subsystem in the Linux kernel before 2.6.38 and (2) sys/dev/pci/drm/drm_irq.c in the kernel in OpenBSD before 4.9 allows local users to trigger out-of-bounds write operations, and consequently cause a denial of service (system crash) or possibly have unspecified other impact, via a crafted num_crtcs (aka vb_num) structure member in an ioctl argument.
44 CVE-2011-1012 20 DoS 2011-03-01 2012-03-19
4.9
None Local Low Not required None None Complete
The ldm_parse_vmdb function in fs/partitions/ldm.c in the Linux kernel before 2.6.38-rc6-git6 does not validate the VBLK size value in the VMDB structure in an LDM partition table, which allows local users to cause a denial of service (divide-by-zero error and OOPS) via a crafted partition table.
45 CVE-2011-1010 119 DoS Overflow 2011-03-01 2013-01-21
4.9
None Local Low Not required None None Complete
Buffer overflow in the mac_partition function in fs/partitions/mac.c in the Linux kernel before 2.6.37.2 allows local users to cause a denial of service (panic) or possibly have unspecified other impact via a malformed Mac OS partition table.
46 CVE-2011-0999 399 DoS 2011-02-23 2012-03-19
4.9
None Local Low Not required None None Complete
mm/huge_memory.c in the Linux kernel before 2.6.38-rc5 does not prevent creation of a transparent huge page (THP) during the existence of a temporary stack for an exec system call, which allows local users to cause a denial of service (memory consumption) or possibly have unspecified other impact via a crafted application.
47 CVE-2011-0726 20 2011-07-18 2014-01-13
2.1
None Local Low Not required Partial None None
The do_task_stat function in fs/proc/array.c in the Linux kernel before 2.6.39-rc1 does not perform an expected uid check, which makes it easier for local users to defeat the ASLR protection mechanism by reading the start_code and end_code fields in the /proc/#####/stat file for a process executing a PIE binary.
48 CVE-2011-0712 119 DoS Overflow 2011-02-18 2012-03-19
6.2
None Local High Not required Complete Complete Complete
Multiple buffer overflows in the caiaq Native Instruments USB audio functionality in the Linux kernel before 2.6.38-rc4-next-20110215 might allow attackers to cause a denial of service or possibly have unspecified other impact via a long USB device name, related to (1) the snd_usb_caiaq_audio_init function in sound/usb/caiaq/audio.c and (2) the snd_usb_caiaq_midi_init function in sound/usb/caiaq/midi.c.
49 CVE-2011-0711 200 +Info 2011-03-01 2014-01-13
2.1
None Local Low Not required Partial None None
The xfs_fs_geometry function in fs/xfs/xfs_fsops.c in the Linux kernel before 2.6.38-rc6-git3 does not initialize a certain structure member, which allows local users to obtain potentially sensitive information from kernel stack memory via an FSGEOMETRY_V1 ioctl call.
50 CVE-2011-0710 200 +Info 2011-02-18 2012-03-19
2.1
None Local Low Not required Partial None None
The task_show_regs function in arch/s390/kernel/traps.c in the Linux kernel before 2.6.38-rc4-next-20110216 on the s390 platform allows local users to obtain the values of the registers of an arbitrary process by reading a status file under /proc/.
Total number of vulnerabilities : 76   Page : 1 (This Page)2
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