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Linux » Linux Kernel » 2.6.20.19 * * * : Security Vulnerabilities

Cpe Name:cpe:2.3:o:linux:linux_kernel:2.6.20.19:*:*:*:*:*:*:*
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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-2012-1583 399 DoS 2012-06-16 2016-08-23
5.0
None Remote Low Not required None None Partial
Double free vulnerability in the xfrm6_tunnel_rcv function in net/ipv6/xfrm6_tunnel.c in the Linux kernel before 2.6.22, when the xfrm6_tunnel module is enabled, allows remote attackers to cause a denial of service (panic) via crafted IPv6 packets.
2 CVE-2011-4325 DoS 2012-01-27 2017-08-29
4.9
None Local Low Not required None None Complete
The NFS implementation in Linux kernel before 2.6.31-rc6 calls certain functions without properly initializing certain data, which allows local users to cause a denial of service (NULL pointer dereference and O_DIRECT oops), as demonstrated using diotest4 from LTP.
3 CVE-2011-1577 119 DoS Overflow 2011-05-03 2018-10-09
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.
4 CVE-2011-1495 20 DoS +Priv Mem. Corr. +Info 2011-05-03 2018-10-09
7.2
None 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.
5 CVE-2011-1494 189 DoS Overflow +Priv Mem. Corr. 2011-05-03 2018-10-09
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.
6 CVE-2011-1172 200 +Info 2011-06-22 2015-10-06
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.
7 CVE-2011-1171 200 +Info 2011-06-22 2015-10-06
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.
8 CVE-2011-1170 200 +Info 2011-06-22 2015-10-06
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.
9 CVE-2011-1090 399 DoS 2011-05-09 2018-10-09
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.
10 CVE-2011-0726 20 2011-07-18 2015-10-06
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.
11 CVE-2010-3086 DoS 2011-01-14 2018-10-10
4.9
None Local Low Not required None None Complete
include/asm-x86/futex.h in the Linux kernel before 2.6.25 does not properly implement exception fixup, which allows local users to cause a denial of service (panic) via an invalid application that triggers a page fault.
12 CVE-2010-3066 DoS 2010-12-06 2018-10-10
4.9
None Local Low Not required None None Complete
The io_submit_one function in fs/aio.c in the Linux kernel before 2.6.23 allows local users to cause a denial of service (NULL pointer dereference) via a crafted io_submit system call with an IOCB_FLAG_RESFD flag.
13 CVE-2010-3015 189 DoS Overflow 2010-08-20 2018-10-10
4.7
None Local Medium Not required None None Complete
Integer overflow in the ext4_ext_get_blocks function in fs/ext4/extents.c in the Linux kernel before 2.6.34 allows local users to cause a denial of service (BUG and system crash) via a write operation on the last block of a large file, followed by a sync operation.
14 CVE-2010-1643 DoS 2010-06-03 2017-08-17
6.9
None Local Medium Not required Complete Complete Complete
mm/shmem.c in the Linux kernel before 2.6.28-rc3, when strict overcommit is enabled, does not properly handle the export of shmemfs objects by knfsd, which allows attackers to cause a denial of service (NULL pointer dereference and knfsd crash) or possibly have unspecified other impact via unknown vectors.
15 CVE-2010-1437 362 DoS Mem. Corr. 2010-05-07 2018-10-10
1.9
None Local Medium Not required None None Partial
Race condition in the find_keyring_by_name function in security/keys/keyring.c in the Linux kernel 2.6.34-rc5 and earlier allows local users to cause a denial of service (memory corruption and system crash) or possibly have unspecified other impact via keyctl session commands that trigger access to a dead keyring that is undergoing deletion by the key_cleanup function.
16 CVE-2010-1173 20 DoS 2010-05-07 2018-10-10
7.1
None Remote Medium Not required None None Complete
The sctp_process_unk_param function in net/sctp/sm_make_chunk.c in the Linux kernel 2.6.33.3 and earlier, when SCTP is enabled, allows remote attackers to cause a denial of service (system crash) via an SCTPChunkInit packet containing multiple invalid parameters that require a large amount of error data.
17 CVE-2010-1088 2010-04-06 2018-10-10
5.4
None Remote High Not required None None Complete
fs/namei.c in Linux kernel 2.6.18 through 2.6.34 does not always follow NFS automount "symlinks," which allows attackers to have an unknown impact, related to LOOKUP_FOLLOW.
18 CVE-2010-1084 119 DoS Overflow Mem. Corr. 2010-04-06 2018-10-10
7.1
None Remote Medium Not required None None Complete
Linux kernel 2.6.18 through 2.6.33, and possibly other versions, allows remote attackers to cause a denial of service (memory corruption) via a large number of Bluetooth sockets, related to the size of sysfs files in (1) net/bluetooth/l2cap.c, (2) net/bluetooth/rfcomm/core.c, (3) net/bluetooth/rfcomm/sock.c, and (4) net/bluetooth/sco.c.
19 CVE-2010-1083 399 +Info 2010-04-06 2018-10-10
4.7
None Local Medium Not required Complete None None
The processcompl_compat function in drivers/usb/core/devio.c in Linux kernel 2.6.x through 2.6.32, and possibly other versions, does not clear the transfer buffer before returning to userspace when a USB command fails, which might make it easier for physically proximate attackers to obtain sensitive information (kernel memory).
20 CVE-2010-0437 DoS 2010-03-24 2018-10-10
7.8
None Remote Low Not required None None Complete
The ip6_dst_lookup_tail function in net/ipv6/ip6_output.c in the Linux kernel before 2.6.27 does not properly handle certain circumstances involving an IPv6 TUN network interface and a large number of neighbors, which allows attackers to cause a denial of service (NULL pointer dereference and OOPS) or possibly have unspecified other impact via unknown vectors.
21 CVE-2010-0008 399 DoS 2010-03-19 2018-10-10
7.8
None Remote Low Not required None None Complete
The sctp_rcv_ootb function in the SCTP implementation in the Linux kernel before 2.6.23 allows remote attackers to cause a denial of service (infinite loop) via (1) an Out Of The Blue (OOTB) chunk or (2) a chunk of zero length.
22 CVE-2009-4308 399 DoS 2009-12-13 2018-10-10
7.1
None Remote Medium Not required None None Complete
The ext4_decode_error function in fs/ext4/super.c in the ext4 filesystem in the Linux kernel before 2.6.32 allows user-assisted remote attackers to cause a denial of service (NULL pointer dereference), and possibly have unspecified other impact, via a crafted read-only filesystem that lacks a journal.
23 CVE-2009-4307 189 DoS 2009-12-13 2017-09-19
7.1
None Remote Medium Not required None None Complete
The ext4_fill_flex_info function in fs/ext4/super.c in the Linux kernel before 2.6.32-git6 allows user-assisted remote attackers to cause a denial of service (divide-by-zero error and panic) via a malformed ext4 filesystem containing a super block with a large FLEX_BG group size (aka s_log_groups_per_flex value).
24 CVE-2009-4306 DoS 2009-12-13 2012-03-19
4.9
None Local Low Not required None None Complete
Unspecified vulnerability in the EXT4_IOC_MOVE_EXT (aka move extents) ioctl implementation in the ext4 filesystem in the Linux kernel 2.6.32-git6 and earlier allows local users to cause a denial of service (filesystem corruption) via unknown vectors, a different vulnerability than CVE-2009-4131.
25 CVE-2009-4138 399 DoS 2009-12-16 2017-09-19
4.7
None Local Medium Not required None None Complete
drivers/firewire/ohci.c in the Linux kernel before 2.6.32-git9, when packet-per-buffer mode is used, allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unknown other impact via an unspecified ioctl associated with receiving an ISO packet that contains zero in the payload-length field.
26 CVE-2009-4131 264 2009-12-13 2012-03-19
7.2
None Local Low Not required Complete Complete Complete
The EXT4_IOC_MOVE_EXT (aka move extents) ioctl implementation in the ext4 filesystem in the Linux kernel before 2.6.32-git6 allows local users to overwrite arbitrary files via a crafted request, related to insufficient checks for file permissions.
27 CVE-2009-4027 362 DoS 2009-12-02 2017-09-19
7.1
None Remote Medium Not required None None Complete
Race condition in the mac80211 subsystem in the Linux kernel before 2.6.32-rc8-next-20091201 allows remote attackers to cause a denial of service (system crash) via a Delete Block ACK (aka DELBA) packet that triggers a certain state change in the absence of an aggregation session.
28 CVE-2009-4026 DoS 2009-12-02 2012-03-19
7.8
None Remote Low Not required None None Complete
The mac80211 subsystem in the Linux kernel before 2.6.32-rc8-next-20091201 allows remote attackers to cause a denial of service (panic) via a crafted Delete Block ACK (aka DELBA) packet, related to an erroneous "code shuffling patch."
29 CVE-2009-4021 399 DoS 2009-11-25 2017-09-19
4.9
None Local Low Not required None None Complete
The fuse_direct_io function in fs/fuse/file.c in the fuse subsystem in the Linux kernel before 2.6.32-rc7 might allow attackers to cause a denial of service (invalid pointer dereference and OOPS) via vectors possibly related to a memory-consumption attack.
30 CVE-2009-4005 119 Overflow 2009-11-20 2017-09-19
7.2
None Local Low Not required Complete Complete Complete
The collect_rx_frame function in drivers/isdn/hisax/hfc_usb.c in the Linux kernel before 2.6.32-rc7 allows attackers to have an unspecified impact via a crafted HDLC packet that arrives over ISDN and triggers a buffer under-read.
31 CVE-2009-3939 264 2009-11-16 2017-09-19
6.6
None Local Low Not required None Complete Complete
The poll_mode_io file for the megaraid_sas driver in the Linux kernel 2.6.31.6 and earlier has world-writable permissions, which allows local users to change the I/O mode of the driver by modifying this file.
32 CVE-2009-3889 264 2009-11-16 2017-09-19
6.6
None Local Low Not required None Complete Complete
The dbg_lvl file for the megaraid_sas driver in the Linux kernel before 2.6.27 has world-writable permissions, which allows local users to change the (1) behavior and (2) logging level of the driver by modifying this file.
33 CVE-2009-3888 399 DoS 2009-11-16 2012-03-19
4.9
None Local Low Not required None None Complete
The do_mmap_pgoff function in mm/nommu.c in the Linux kernel before 2.6.31.6, when the CPU lacks a memory management unit, allows local users to cause a denial of service (OOPS) via an application that attempts to allocate a large amount of memory.
34 CVE-2009-3726 399 DoS 2009-11-09 2017-09-19
7.8
None Remote Low Not required None None Complete
The nfs4_proc_lock function in fs/nfs/nfs4proc.c in the NFSv4 client in the Linux kernel before 2.6.31-rc4 allows remote NFS servers to cause a denial of service (NULL pointer dereference and panic) by sending a certain response containing incorrect file attributes, which trigger attempted use of an open file that lacks NFSv4 state.
35 CVE-2009-3722 264 DoS 2009-10-30 2017-09-19
7.1
None Remote Medium Not required None None Complete
The handle_dr function in arch/x86/kvm/vmx.c in the KVM subsystem in the Linux kernel before 2.6.31.1 does not properly verify the Current Privilege Level (CPL) before accessing a debug register, which allows guest OS users to cause a denial of service (trap) on the host OS via a crafted application.
36 CVE-2009-3640 20 DoS +Priv 2009-10-29 2017-08-17
4.9
None Local Low Not required None None Complete
The update_cr8_intercept function in arch/x86/kvm/x86.c in the KVM subsystem in the Linux kernel before 2.6.32-rc1 does not properly handle the absence of an Advanced Programmable Interrupt Controller (APIC), which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly gain privileges via a call to the kvm_vcpu_ioctl function.
37 CVE-2009-3638 189 Overflow 2009-10-29 2017-08-17
7.2
None Local Low Not required Complete Complete Complete
Integer overflow in the kvm_dev_ioctl_get_supported_cpuid function in arch/x86/kvm/x86.c in the KVM subsystem in the Linux kernel before 2.6.31.4 allows local users to have an unspecified impact via a KVM_GET_SUPPORTED_CPUID request to the kvm_arch_dev_ioctl function.
38 CVE-2009-3624 310 DoS +Priv 2009-11-02 2012-03-19
4.6
None Local Low Not required Partial Partial Partial
The get_instantiation_keyring function in security/keys/keyctl.c in the KEYS subsystem in the Linux kernel before 2.6.32-rc5 does not properly maintain the reference count of a keyring, which allows local users to gain privileges or cause a denial of service (OOPS) via vectors involving calls to this function without specifying a keyring by ID, as demonstrated by a series of keyctl request2 and keyctl list commands.
39 CVE-2009-3623 287 DoS 2009-10-30 2012-03-19
7.8
None Remote Low Not required None None Complete
The lookup_cb_cred function in fs/nfsd/nfs4callback.c in the nfsd4 subsystem in the Linux kernel before 2.6.31.2 attempts to access a credentials cache even when a client specifies the AUTH_NULL authentication flavor, which allows remote attackers to cause a denial of service (NULL pointer dereference and system crash) via an NFSv4 mount request.
40 CVE-2009-3620 20 DoS +Priv 2009-10-22 2017-09-19
4.9
None Local Low Not required None None Complete
The ATI Rage 128 (aka r128) driver in the Linux kernel before 2.6.31-git11 does not properly verify Concurrent Command Engine (CCE) state initialization, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly gain privileges via unspecified ioctl calls.
41 CVE-2009-3613 399 DoS 2009-10-19 2017-09-19
7.8
None Remote Low Not required None None Complete
The swiotlb functionality in the r8169 driver in drivers/net/r8169.c in the Linux kernel before 2.6.27.22 allows remote attackers to cause a denial of service (IOMMU space exhaustion and system crash) by using jumbo frames for a large amount of network traffic, as demonstrated by a flood ping.
42 CVE-2009-3238 310 2009-09-18 2018-07-28
7.8
None Remote Low Not required Complete None None
The get_random_int function in drivers/char/random.c in the Linux kernel before 2.6.30 produces insufficiently random numbers, which allows attackers to predict the return value, and possibly defeat protection mechanisms based on randomization, via vectors that leverage the function's tendency to "return the same value over and over again for long stretches of time."
43 CVE-2009-3043 399 DoS +Priv 2009-09-02 2012-03-19
4.9
None Local Low Not required None None Complete
The tty_ldisc_hangup function in drivers/char/tty_ldisc.c in the Linux kernel 2.6.31-rc before 2.6.31-rc8 allows local users to cause a denial of service (system crash, sometimes preceded by a NULL pointer dereference) or possibly gain privileges via certain pseudo-terminal I/O activity, as demonstrated by KernelTtyTest.c.
44 CVE-2009-2909 189 DoS 2009-10-20 2012-03-19
4.9
None Local Low Not required None None Complete
Integer signedness error in the ax25_setsockopt function in net/ax25/af_ax25.c in the ax25 subsystem in the Linux kernel before 2.6.31.2 allows local users to cause a denial of service (OOPS) via a crafted optlen value in an SO_BINDTODEVICE operation.
45 CVE-2009-2849 DoS 2009-08-18 2017-09-19
4.7
None Local Medium Not required None None Complete
The md driver (drivers/md/md.c) in the Linux kernel before 2.6.30.2 might allow local users to cause a denial of service (NULL pointer dereference) via vectors related to "suspend_* sysfs attributes" and the (1) suspend_lo_store or (2) suspend_hi_store functions. NOTE: this is only a vulnerability when sysfs is writable by an attacker.
46 CVE-2009-2846 264 Bypass 2009-08-18 2017-08-17
7.8
None Remote Low Not required Complete None None
The eisa_eeprom_read function in the parisc isa-eeprom component (drivers/parisc/eisa_eeprom.c) in the Linux kernel before 2.6.31-rc6 allows local users to access restricted memory via a negative ppos argument, which bypasses a check that assumes that ppos is positive and causes an out-of-bounds read in the readb function.
47 CVE-2009-2695 119 Overflow +Priv 2009-08-28 2017-09-19
7.2
None Local Low Not required Complete Complete Complete
The Linux kernel before 2.6.31-rc7 does not properly prevent mmap operations that target page zero and other low memory addresses, which allows local users to gain privileges by exploiting NULL pointer dereference vulnerabilities, related to (1) the default configuration of the allow_unconfined_mmap_low boolean in SELinux on Red Hat Enterprise Linux (RHEL) 5, (2) an error that causes allow_unconfined_mmap_low to be ignored in the unconfined_t domain, (3) lack of a requirement for the CAP_SYS_RAWIO capability for these mmap operations, and (4) interaction between the mmap_min_addr protection mechanism and certain application programs.
48 CVE-2009-2407 119 DoS Overflow +Priv 2009-07-31 2018-10-10
6.9
None Local Medium Not required Complete Complete Complete
Heap-based buffer overflow in the parse_tag_3_packet function in fs/ecryptfs/keystore.c in the eCryptfs subsystem in the Linux kernel before 2.6.30.4 allows local users to cause a denial of service (system crash) or possibly gain privileges via vectors involving a crafted eCryptfs file, related to a large encrypted key size in a Tag 3 packet.
49 CVE-2009-2406 119 DoS Overflow +Priv 2009-07-31 2018-10-30
6.9
None Local Medium Not required Complete Complete Complete
Stack-based buffer overflow in the parse_tag_11_packet function in fs/ecryptfs/keystore.c in the eCryptfs subsystem in the Linux kernel before 2.6.30.4 allows local users to cause a denial of service (system crash) or possibly gain privileges via vectors involving a crafted eCryptfs file, related to not ensuring that the key signature length in a Tag 11 packet is compatible with the key signature buffer size.
50 CVE-2009-1914 20 DoS 2009-06-04 2017-08-17
4.9
None Local Low Not required None None Complete
The pci_register_iommu_region function in arch/sparc/kernel/pci_common.c in the Linux kernel before 2.6.29 on the sparc64 platform allows local users to cause a denial of service (system crash) by reading the /proc/iomem file, related to uninitialized pointers and the request_resource function.
Total number of vulnerabilities : 98   Page : 1 (This Page)2
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