CVE-2012-3511

Severity: medium (CVSS 6.2 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: 2012-10-04 · updated 2026-06-16
Weakness: CWE-362

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.

Affected products

Linux kernel: through 3.4.4; 3.0-rc1, 3.0-rc2, 3.0-rc3, 3.0-rc4, 3.0-rc5, 3.0-rc6 (+97)

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=9ab4233dd08036fe34a89c7dc6f47a8bf2eb29eb
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/2012/08/20/13
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=849734

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