Input validation error in Linux kernel - CVE-2014-0038
Published: February 7, 2014 / Updated: August 21, 2020
Vulnerability identifier: #VU42054
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2014-0038
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
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.
Affected software
Linux kernel
SUSE Linux
SUSE Linux
How to mitigate CVE-2014-0038
Install update from vendor's website.
Links to Public Exploits and PoC-codes
- Exploit #4513 - cve-2014-0038 (Linux local root exploit for CVE-2014-0038) (August 21, 2020)
- Exploit #4090 - Linux Kernel 3.4 < 3.13.2 - recvmmsg x32 compat (PoC) (August 11, 2020)
- Exploit #4056 - Linux Kernel 3.13.1 - 'Recvmmsg' Privilege Escalation (Metasploit) (August 11, 2020)
- Exploit #4065 - Linux Kernel 3.4 < 3.13.2 (Ubuntu 13.04/13.10) - 'CONFIG_X86_X32=y' Privilege Escalation (3) (August 11, 2020)
- Exploit #4066 - Linux Kernel 3.4 < 3.13.2 (Ubuntu 13.10) - 'CONFIG_X86_X32' Arbitrary Write Exploit (2) (August 11, 2020)
- Exploit #3942 - Linux Kernel recvmmsg Privilege Escalation (August 11, 2020)
External References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=2def2ef2ae5f3990aabdbe8a755911902707d268
- http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00002.html
- http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00003.html
- http://pastebin.com/raw.php?i=DH3Lbg54
- http://secunia.com/advisories/56669
- http://www.exploit-db.com/exploits/31346
- http://www.exploit-db.com/exploits/31347
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.13.2
- http://www.mandriva.com/security/advisories?name=MDVSA-2014:038
- http://www.openwall.com/lists/oss-security/2014/01/31/2
- http://www.securityfocus.com/bid/65255
- http://www.ubuntu.com/usn/USN-2094-1
- http://www.ubuntu.com/usn/USN-2095-1
- http://www.ubuntu.com/usn/USN-2096-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1060023
- https://code.google.com/p/chromium/issues/detail?id=338594
- https://github.com/saelo/cve-2014-0038
- https://github.com/torvalds/linux/commit/2def2ef2ae5f3990aabdbe8a755911902707d268
- https://www.exploit-db.com/exploits/40503/