Vulnerability Description
Multiple race conditions in the madvise_remove function in mm/madvise.c in the Linux kernel before 3.4.5 allow local users to cause a denial of service (use-after-free and system crash) via vectors involving a (1) munmap or (2) close system call.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 3.4.4 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://secunia.com/advisories/50633
- http://secunia.com/advisories/50732
- http://secunia.com/advisories/55055
- http://ubuntu.com/usn/usn-1529-1
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5
- http://www.openwall.com/lists/oss-security/2012/08/20/13Patch
- http://www.securityfocus.com/bid/55151
- http://www.ubuntu.com/usn/USN-1567-1
- http://www.ubuntu.com/usn/USN-1572-1
- http://www.ubuntu.com/usn/USN-1577-1
- https://bugzilla.redhat.com/show_bug.cgi?id=849734Patch
- https://github.com/torvalds/linux/commit/9ab4233dd08036fe34a89c7dc6f47a8bf2eb29eExploit
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://secunia.com/advisories/50633
FAQ
What is CVE-2012-3511?
CVE-2012-3511 is a vulnerability with a CVSS score of 6.2 (MEDIUM). Multiple race conditions in the madvise_remove function in mm/madvise.c in the Linux kernel before 3.4.5 allow local users to cause a denial of service (use-after-free and system crash) via vectors in...
How severe is CVE-2012-3511?
CVE-2012-3511 has been rated MEDIUM with a CVSS base score of 6.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2012-3511?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.