CVE-2013-7026

Published: 9 December 2013

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.

From the Ubuntu security team

A race condition flaw was discovered in the Linux kernel's ipc shared memory implimentation. A local user could exploit this flaw to cause a denial of service (system crash) or possibly have unspecied other impacts.

Status

References

• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-7026
• https://github.com/torvalds/linux/commit/a399b29dfbaaaf91162b2dc5a5875dd51bbfa2a1
• 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
• https://ubuntu.com/security/notices/USN-2070-1
• https://ubuntu.com/security/notices/USN-2075-1
• NVD
• Launchpad
• Debian