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CVE-2014-0038

Status Candidate

Overview

The compat_sys_recvmmsg function in net/compat.c in the Linux kernel before 3.13.2, when CONFIG_X86_X32 is enabled, allows local users to gain privileges via a recvmmsg system call with a crafted timeout pointer parameter.

Related Files

Linux Kernel 3.13.1 Recvmmsg Privilege Escalation
Posted Oct 10, 2016
Authored by rebel, h00die | Site metasploit.com

This Metasploit module attempts to exploit CVE-2014-0038, by sending a recvmmsg system call with a crafted timeout pointer parameter to gain root. This exploit has offsets for 3 Ubuntu 13 kernels built in: 3.8.0-19-generic (13.04 default) 3.11.0-12-generic (13.10 default) 3.11.0-15-generic (13.10) This exploit may take up to 13 minutes to run due to a decrementing (1/sec) pointer which starts at 0xff*3 (765 seconds)

tags | exploit, kernel, root
systems | linux, ubuntu
advisories | CVE-2014-0038
MD5 | f3b6c4e0beead8eebe4c182da3752bd8
Slackware Security Advisory - kernel Updates
Posted Feb 21, 2014
Authored by Slackware Security Team | Site slackware.com

Slackware Security Advisory - New kernel packages are available for Slackware 14.1 (64-bit) to fix a security issue.

tags | advisory, kernel
systems | linux, slackware
advisories | CVE-2014-0038
MD5 | aafc5c6d3aab9a4d8880dd83d836f072
Mandriva Linux Security Advisory 2014-038
Posted Feb 18, 2014
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2014-038 - Multiple vulnerabilities has been found and corrected in the Linux kernel. The compat_sys_recvmmsg function in net/compat.c in the Linux kernel before 3.13.2, when CONFIG_X86_X32 is enabled, allows local users to gain privileges via a recvmmsg system call with a crafted timeout pointer parameter. The restore_fpu_checking function in arch/x86/include/asm/fpu-internal.h in the Linux kernel before 3.12.8 on the AMD K7 and K8 platforms does not clear pending exceptions before proceeding to an EMMS instruction, which allows local users to cause a denial of service or possibly gain privileges via a crafted application. The yam_ioctl function in drivers/net/hamradio/yam.c in the Linux kernel before 3.12.8 does not initialize a certain structure member, which allows local users to obtain sensitive information from kernel memory by leveraging the CAP_NET_ADMIN capability for an SIOCYAMGCFG ioctl call. The updated packages provides a solution for these security issues.

tags | advisory, denial of service, x86, kernel, local, vulnerability
systems | linux, mandriva
advisories | CVE-2014-0038, CVE-2014-1438, CVE-2014-1446
MD5 | 97f6d13dd407f8975db91842830871e7
Linux 3.4+ CONFIG_X86_X32=y Local Root
Posted Feb 3, 2014
Authored by rebel

Linux 3.4+ local root exploit that spawns a root shell leveraging CONFIG_X86_X32=y.

tags | exploit, shell, local, root
systems | linux
advisories | CVE-2014-0038
MD5 | 579c20483c9aacc4471bafa7285daeb0
X86_X32 recvmmsg Arbitrary Write Local Root
Posted Feb 3, 2014
Authored by saelo

Linux 3.4+ arbitrary write exploit for CONFIG_X86_X32 that spawns a root shell.

tags | exploit, arbitrary, shell, root
systems | linux
advisories | CVE-2014-0038
MD5 | f1b57ea21800bad181a5c6367fd1763e
Ubuntu Security Notice USN-2096-1
Posted Jan 31, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2096-1 - Pageexec reported a bug in the Linux kernel's recvmsg syscall when called from code using the x32 ABI. An unprivileged local user could exploit this flaw to cause a denial of service (system crash) or gain administrator privileges.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2014-0038
MD5 | de71c756acf323ef79014f04e6a9918f
Ubuntu Security Notice USN-2095-1
Posted Jan 31, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2095-1 - Pageexec reported a bug in the Linux kernel's recvmsg syscall when called from code using the x32 ABI. An unprivileged local user could exploit this flaw to cause a denial of service (system crash) or gain administrator privileges.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2014-0038
MD5 | bb8bd178738afb72dc5657048330c13c
Ubuntu Security Notice USN-2094-1
Posted Jan 31, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2094-1 - Pageexec reported a bug in the Linux kernel's recvmsg syscall when called from code using the x32 ABI. An unprivileged local user could exploit this flaw to cause a denial of service (system crash) or gain administrator privileges.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2014-0038
MD5 | 4f953fe0b29053dbb30be8649a200bc8
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