Race condition in Linux kernel - CVE-2013-7026
Published: December 9, 2013 / Updated: August 10, 2020
Vulnerability identifier: #VU42245
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2013-7026
CWE-ID: CWE-362
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
Multiple race conditions in ipc/shm.c in the Linux kernel before 3.12.2 allow local users to cause a denial of service (use-after-free and system crash) or possibly have unspecified other impact via a crafted application that uses shmctl IPC_RMID operations in conjunction with other shm system calls.
Affected software
Linux kernel
How to mitigate CVE-2013-7026
Install update from vendor's website.
External References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a399b29dfbaaaf91162b2dc5a5875dd51bbfa2a1
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.12.2
- http://www.ubuntu.com/usn/USN-2070-1
- http://www.ubuntu.com/usn/USN-2075-1
- https://github.com/torvalds/linux/commit/a399b29dfbaaaf91162b2dc5a5875dd51bbfa2a1