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Linux » Linux Kernel » 2.6.27.20 : Security Vulnerabilities

Cpe Name:cpe:/o:linux:linux_kernel:2.6.27.20
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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-2017-17807 284 2017-12-20 2018-01-10
2.1
None Local Low Not required None Partial None
The KEYS subsystem in the Linux kernel before 4.14.6 omitted an access-control check when adding a key to the current task's "default request-key keyring" via the request_key() system call, allowing a local user to use a sequence of crafted system calls to add keys to a keyring with only Search permission (not Write permission) to that keyring, related to construct_get_dest_keyring() in security/keys/request_key.c.
2 CVE-2017-17806 119 Overflow 2017-12-20 2018-01-10
7.2
None Local Low Not required Complete Complete Complete
The HMAC implementation (crypto/hmac.c) in the Linux kernel before 4.14.8 does not validate that the underlying cryptographic hash algorithm is unkeyed, allowing a local attacker able to use the AF_ALG-based hash interface (CONFIG_CRYPTO_USER_API_HASH) and the SHA-3 hash algorithm (CONFIG_CRYPTO_SHA3) to cause a kernel stack buffer overflow by executing a crafted sequence of system calls that encounter a missing SHA-3 initialization.
3 CVE-2017-17805 20 DoS 2017-12-20 2018-01-10
7.2
None Local Low Not required Complete Complete Complete
The Salsa20 encryption algorithm in the Linux kernel before 4.14.8 does not correctly handle zero-length inputs, allowing a local attacker able to use the AF_ALG-based skcipher interface (CONFIG_CRYPTO_USER_API_SKCIPHER) to cause a denial of service (uninitialized-memory free and kernel crash) or have unspecified other impact by executing a crafted sequence of system calls that use the blkcipher_walk API. Both the generic implementation (crypto/salsa20_generic.c) and x86 implementation (arch/x86/crypto/salsa20_glue.c) of Salsa20 were vulnerable.
4 CVE-2017-17053 416 2017-11-28 2017-12-20
7.6
None Remote High Not required Complete Complete Complete
The init_new_context function in arch/x86/include/asm/mmu_context.h in the Linux kernel before 4.12.10 does not correctly handle errors from LDT table allocation when forking a new process, allowing a local attacker to achieve a use-after-free or possibly have unspecified other impact by running a specially crafted program. This vulnerability only affected kernels built with CONFIG_MODIFY_LDT_SYSCALL=y.
5 CVE-2017-17052 416 2017-11-28 2017-12-20
7.2
None Local Low Not required Complete Complete Complete
The mm_init function in kernel/fork.c in the Linux kernel before 4.12.10 does not clear the ->exe_file member of a new process's mm_struct, allowing a local attacker to achieve a use-after-free or possibly have unspecified other impact by running a specially crafted program.
6 CVE-2017-16994 200 +Info 2017-11-27 2017-12-07
2.1
None Local Low Not required Partial None None
The walk_hugetlb_range function in mm/pagewalk.c in the Linux kernel before 4.14.2 mishandles holes in hugetlb ranges, which allows local users to obtain sensitive information from uninitialized kernel memory via crafted use of the mincore() system call.
7 CVE-2017-16939 264 DoS +Priv 2017-11-24 2018-01-10
7.2
None Local Low Not required Complete Complete Complete
The XFRM dump policy implementation in net/xfrm/xfrm_user.c in the Linux kernel before 4.13.11 allows local users to gain privileges or cause a denial of service (use-after-free) via a crafted SO_RCVBUF setsockopt system call in conjunction with XFRM_MSG_GETPOLICY Netlink messages.
8 CVE-2017-15868 264 +Priv 2017-12-05 2018-01-10
7.2
None Local Low Not required Complete Complete Complete
The bnep_add_connection function in net/bluetooth/bnep/core.c in the Linux kernel before 3.19 does not ensure that an l2cap socket is available, which allows local users to gain privileges via a crafted application.
9 CVE-2017-15116 476 DoS 2017-11-30 2017-12-20
4.9
None Local Low Not required None None Complete
The rngapi_reset function in crypto/rng.c in the Linux kernel before 4.2 allows attackers to cause a denial of service (NULL pointer dereference).
10 CVE-2017-15115 416 DoS 2017-11-15 2018-01-05
7.2
None Local Low Not required Complete Complete Complete
The sctp_do_peeloff function in net/sctp/socket.c in the Linux kernel before 4.14 does not check whether the intended netns is used in a peel-off action, which allows local users to cause a denial of service (use-after-free and system crash) or possibly have unspecified other impact via crafted system calls.
11 CVE-2017-15102 476 +Priv 2017-11-15 2017-12-02
6.9
None Local Medium Not required Complete Complete Complete
The tower_probe function in drivers/usb/misc/legousbtower.c in the Linux kernel before 4.8.1 allows local users (who are physically proximate for inserting a crafted USB device) to gain privileges by leveraging a write-what-where condition that occurs after a race condition and a NULL pointer dereference.
12 CVE-2017-12193 476 DoS 2017-11-22 2017-12-12
4.9
None Local Low Not required None None Complete
The assoc_array_insert_into_terminal_node function in lib/assoc_array.c in the Linux kernel before 4.13.11 mishandles node splitting, which allows local users to cause a denial of service (NULL pointer dereference and panic) via a crafted application, as demonstrated by the keyring key type, and key addition and link creation operations.
13 CVE-2015-0239 362 DoS +Priv 2015-03-02 2016-12-23
4.7
None Local High Not required None Partial Complete
The em_sysenter function in arch/x86/kvm/emulate.c in the Linux kernel before 3.18.5, when the guest OS lacks SYSENTER MSR initialization, allows guest OS users to gain guest OS privileges or cause a denial of service (guest OS crash) by triggering use of a 16-bit code segment for emulation of a SYSENTER instruction.
14 CVE-2014-9644 264 2015-03-02 2018-01-04
2.1
None Local Low Not required None Partial None
The Crypto API in the Linux kernel before 3.18.5 allows local users to load arbitrary kernel modules via a bind system call for an AF_ALG socket with a parenthesized module template expression in the salg_name field, as demonstrated by the vfat(aes) expression, a different vulnerability than CVE-2013-7421.
15 CVE-2014-9585 264 Bypass 2015-01-09 2018-01-04
2.1
None Local Low Not required None Partial None
The vdso_addr function in arch/x86/vdso/vma.c in the Linux kernel through 3.18.2 does not properly choose memory locations for the vDSO area, which makes it easier for local users to bypass the ASLR protection mechanism by guessing a location at the end of a PMD.
16 CVE-2014-9584 20 +Info 2015-01-09 2018-01-04
2.1
None Local Low Not required Partial None None
The parse_rock_ridge_inode_internal function in fs/isofs/rock.c in the Linux kernel before 3.18.2 does not validate a length value in the Extensions Reference (ER) System Use Field, which allows local users to obtain sensitive information from kernel memory via a crafted iso9660 image.
17 CVE-2014-9529 362 DoS Mem. Corr. 2015-01-09 2018-01-04
7.2
None Local Low Not required Complete Complete Complete
Race condition in the key_gc_unused_keys function in security/keys/gc.c in the Linux kernel through 3.18.2 allows local users to cause a denial of service (memory corruption or panic) or possibly have unspecified other impact via keyctl commands that trigger access to a key structure member during garbage collection of a key.
18 CVE-2014-8160 254 Bypass 2015-03-02 2017-01-02
5.0
None Remote Low Not required None Partial None
net/netfilter/nf_conntrack_proto_generic.c in the Linux kernel before 3.18 generates incorrect conntrack entries during handling of certain iptables rule sets for the SCTP, DCCP, GRE, and UDP-Lite protocols, which allows remote attackers to bypass intended access restrictions via packets with disallowed port numbers.
19 CVE-2014-0203 20 DoS 2014-06-23 2017-01-06
4.9
None Local Low Not required None None Complete
The __do_follow_link function in fs/namei.c in the Linux kernel before 2.6.33 does not properly handle the last pathname component during use of certain filesystems, which allows local users to cause a denial of service (incorrect free operations and system crash) via an open system call.
20 CVE-2013-7421 264 2015-03-02 2018-01-04
2.1
None Local Low Not required None Partial None
The Crypto API in the Linux kernel before 3.18.5 allows local users to load arbitrary kernel modules via a bind system call for an AF_ALG socket with a module name in the salg_name field, a different vulnerability than CVE-2014-9644.
21 CVE-2013-4588 119 Overflow +Priv 2013-11-20 2016-12-30
6.6
None Local Medium Single system Complete Complete Complete
Multiple stack-based buffer overflows in net/netfilter/ipvs/ip_vs_ctl.c in the Linux kernel before 2.6.33, when CONFIG_IP_VS is used, allow local users to gain privileges by leveraging the CAP_NET_ADMIN capability for (1) a getsockopt system call, related to the do_ip_vs_get_ctl function, or (2) a setsockopt system call, related to the do_ip_vs_set_ctl function.
22 CVE-2013-2128 119 DoS Overflow 2013-06-07 2014-02-06
4.9
None Local Low Not required None None Complete
The tcp_read_sock function in net/ipv4/tcp.c in the Linux kernel before 2.6.34 does not properly manage skb consumption, which allows local users to cause a denial of service (system crash) via a crafted splice system call for a TCP socket.
23 CVE-2013-1943 20 +Priv +Info 2013-07-16 2013-10-02
6.9
None Local Medium Not required Complete Complete Complete
The KVM subsystem in the Linux kernel before 3.0 does not check whether kernel addresses are specified during allocation of memory slots for use in a guest's physical address space, which allows local users to gain privileges or obtain sensitive information from kernel memory via a crafted application, related to arch/x86/kvm/paging_tmpl.h and virt/kvm/kvm_main.c.
24 CVE-2012-3552 362 DoS 2012-10-03 2013-10-11
5.4
None Remote High Not required None None Complete
Race condition in the IP implementation in the Linux kernel before 3.0 might allow remote attackers to cause a denial of service (slab corruption and system crash) by sending packets to an application that sets socket options during the handling of network traffic.
25 CVE-2012-0879 20 DoS 2012-05-17 2018-01-17
4.9
None Local Low Not required None None Complete
The I/O implementation for block devices in the Linux kernel before 2.6.33 does not properly handle the CLONE_IO feature, which allows local users to cause a denial of service (I/O instability) by starting multiple processes that share an I/O context.
26 CVE-2012-0028 264 DoS +Priv 2012-06-21 2012-06-22
7.2
None Local Low Not required Complete Complete Complete
The robust futex implementation in the Linux kernel before 2.6.28 does not properly handle processes that make exec system calls, which allows local users to cause a denial of service or possibly gain privileges by writing to a memory location in a child process.
27 CVE-2011-4621 DoS Exec Code 2012-05-17 2012-05-17
4.9
None Local Low Not required None None Complete
The Linux kernel before 2.6.37 does not properly implement a certain clock-update optimization, which allows local users to cause a denial of service (system hang) via an application that executes code in a loop.
28 CVE-2011-4611 189 DoS Overflow 2012-05-17 2012-05-17
4.9
None Local Low Not required None None Complete
Integer overflow in the perf_event_interrupt function in arch/powerpc/kernel/perf_event.c in the Linux kernel before 2.6.39 on powerpc platforms allows local users to cause a denial of service (unhandled performance monitor exception) via vectors that trigger certain outcomes of performance events.
29 CVE-2011-4326 399 DoS 2012-05-17 2015-05-05
7.1
None Remote Medium Not required None None Complete
The udp6_ufo_fragment function in net/ipv6/udp.c in the Linux kernel before 2.6.39, when a certain UDP Fragmentation Offload (UFO) configuration is enabled, allows remote attackers to cause a denial of service (system crash) by sending fragmented IPv6 UDP packets to a bridge device.
30 CVE-2011-4325 DoS 2012-01-27 2017-08-28
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.
31 CVE-2011-4087 399 DoS 2013-06-08 2013-06-10
4.3
None Remote Medium Not required None None Partial
The br_parse_ip_options function in net/bridge/br_netfilter.c in the Linux kernel before 2.6.39 does not properly initialize a certain data structure, which allows remote attackers to cause a denial of service by leveraging connectivity to a network interface that uses an Ethernet bridge device.
32 CVE-2011-4080 264 Bypass 2012-05-24 2012-05-29
4.0
None Local High Not required Complete None None
The sysrq_sysctl_handler function in kernel/sysctl.c in the Linux kernel before 2.6.39 does not require the CAP_SYS_ADMIN capability to modify the dmesg_restrict value, which allows local users to bypass intended access restrictions and read the kernel ring buffer by leveraging root privileges, as demonstrated by a root user in a Linux Containers (aka LXC) environment.
33 CVE-2011-3638 DoS 2013-03-01 2013-03-04
4.0
None Local High Not required None None Complete
fs/ext4/extents.c in the Linux kernel before 3.0 does not mark a modified extent as dirty in certain cases of extent splitting, which allows local users to cause a denial of service (system crash) via vectors involving ext4 umount and mount operations.
34 CVE-2011-3637 20 DoS 2012-05-17 2012-05-17
4.9
None Local Low Not required None None Complete
The m_stop function in fs/proc/task_mmu.c in the Linux kernel before 2.6.39 allows local users to cause a denial of service (OOPS) via vectors that trigger an m_start error.
35 CVE-2011-3363 20 DoS 2012-05-24 2012-05-29
5.4
None Remote High Not required None None Complete
The setup_cifs_sb function in fs/cifs/connect.c in the Linux kernel before 2.6.39 does not properly handle DFS referrals, which allows remote CIFS servers to cause a denial of service (system crash) by placing a referral at the root of a share.
36 CVE-2011-3359 119 DoS Overflow 2012-05-24 2012-05-29
5.4
None Remote High Not required None None Complete
The dma_rx function in drivers/net/wireless/b43/dma.c in the Linux kernel before 2.6.39 does not properly allocate receive buffers, which allows remote attackers to cause a denial of service (system crash) via a crafted frame.
37 CVE-2011-2928 20 DoS 2011-08-29 2017-08-28
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.
38 CVE-2011-2723 399 DoS 2011-09-06 2016-08-22
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.
39 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.
40 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.
41 CVE-2011-2689 399 DoS 2011-07-28 2017-08-28
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.
42 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.
43 CVE-2011-2525 DoS 2012-02-01 2014-01-13
7.2
None Local Low Not required Complete Complete Complete
The qdisc_notify function in net/sched/sch_api.c in the Linux kernel before 2.6.35 does not prevent tc_fill_qdisc function calls referencing builtin (aka CQ_F_BUILTIN) Qdisc structures, which allows local users to cause a denial of service (NULL pointer dereference and OOPS) or possibly have unspecified other impact via a crafted call.
44 CVE-2011-2521 189 DoS 2012-05-24 2012-05-25
4.9
None Local Low Not required None None Complete
The x86_assign_hw_event function in arch/x86/kernel/cpu/perf_event.c in the Performance Events subsystem in the Linux kernel before 2.6.39 does not properly calculate counter values, which allows local users to cause a denial of service (panic) via the perf program.
45 CVE-2011-2518 20 DoS 2012-05-24 2016-08-22
4.9
None Local Low Not required None None Complete
The tomoyo_mount_acl function in security/tomoyo/mount.c in the Linux kernel before 2.6.39.2 calls the kern_path function with arguments taken directly from a mount system call, which allows local users to cause a denial of service (OOPS) or possibly have unspecified other impact via a NULL value for the device name.
46 CVE-2011-2517 119 Overflow +Priv 2012-05-24 2013-12-30
7.2
None Local Low Not required Complete Complete Complete
Multiple buffer overflows in net/wireless/nl80211.c in the Linux kernel before 2.6.39.2 allow local users to gain privileges by leveraging the CAP_NET_ADMIN capability during scan operations with a long SSID value.
47 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.
48 CVE-2011-2492 200 +Info 2011-07-28 2016-08-22
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.
49 CVE-2011-2491 399 DoS 2013-03-01 2013-12-30
4.9
None Local Low Not required None None Complete
The Network Lock Manager (NLM) protocol implementation in the NFS client functionality in the Linux kernel before 3.0 allows local users to cause a denial of service (system hang) via a LOCK_UN flock system call.
50 CVE-2011-2484 399 DoS Bypass 2011-06-24 2017-08-28
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.
Total number of vulnerabilities : 268   Page : 1 (This Page)2 3 4 5 6
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