CVE-2014-3122

Summary

The try_to_unmap_cluster function in mm/rmap.c in the Linux kernel before 3.14.3 does not properly consider which pages must be locked, which allows local users to cause a denial of service (system crash) by triggering a memory-usage pattern that requires removal of page-table mappings.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

• http://www.securityfocus.com/bid/67162
• http://www.openwall.com/lists/oss-security/2014/05/01/7
• https://github.com/torvalds/linux/commit/57e68e9cd65b4b8eb4045a1e0d0746458502554c
• http://www.ubuntu.com/usn/USN-2240-1
• http://secunia.com/advisories/59386
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=57e68e9cd65b4b8eb4045a1e0d0746458502554c
• http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.14.3
• http://secunia.com/advisories/59599
• http://www.debian.org/security/2014/dsa-2926
• https://bugzilla.redhat.com/show_bug.cgi?id=1093076

References

• http://www.securityfocus.com/bid/67162
• http://www.openwall.com/lists/oss-security/2014/05/01/7
• https://github.com/torvalds/linux/commit/57e68e9cd65b4b8eb4045a1e0d0746458502554c
• http://www.ubuntu.com/usn/USN-2240-1
• http://secunia.com/advisories/59386
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=57e68e9cd65b4b8eb4045a1e0d0746458502554c
• http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.14.3
• http://secunia.com/advisories/59599
• http://www.debian.org/security/2014/dsa-2926
• https://bugzilla.redhat.com/show_bug.cgi?id=1093076

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