CVE-2013-7026

Severity: medium (CVSS 4.7 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2013-12-09 · updated 2026-06-17
Weakness: CWE-362

Description

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 products

Linux kernel: through 3.12.1; 3.0-rc1, 3.0-rc2, 3.0-rc3, 3.0-rc4, 3.0-rc5, 3.0-rc6 (+267)

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=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
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=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

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