CVE-2012-2390

Severity: medium (CVSS 4.9 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2012-06-13 · updated 2026-06-16
Weakness: CWE-399

Description

Memory leak in mm/hugetlb.c in the Linux kernel before 3.4.2 allows local users to cause a denial of service (memory consumption or system crash) via invalid MAP_HUGETLB mmap operations.

Affected products

Linux kernel: through 3.4.1; 3.4, 3.4-rc1, 3.4-rc2, 3.4-rc3, 3.4-rc4, 3.4-rc5 (+2)

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=c50ac050811d6485616a193eb0f37bfbd191cc89
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.2
http://www.openwall.com/lists/oss-security/2012/05/23/14
http://www.ubuntu.com/usn/USN-1515-1
http://www.ubuntu.com/usn/USN-1535-1
https://bugzilla.redhat.com/show_bug.cgi?id=824345
https://github.com/torvalds/linux/commit/c50ac050811d6485616a193eb0f37bfbd191cc89
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=c50ac050811d6485616a193eb0f37bfbd191cc89
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.2
http://www.openwall.com/lists/oss-security/2012/05/23/14
http://www.ubuntu.com/usn/USN-1515-1
http://www.ubuntu.com/usn/USN-1535-1

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