CVE-2013-1767

Severity: medium (CVSS 6.2 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: 2013-02-28 · updated 2026-06-16
Weakness: CWE-399

Description

Use-after-free vulnerability in the shmem_remount_fs function in mm/shmem.c in the Linux kernel before 3.7.10 allows local users to gain privileges or cause a denial of service (system crash) by remounting a tmpfs filesystem without specifying a required mpol (aka mempolicy) mount option.

Affected products

Linux kernel: through 3.7.9; 3.0-rc1, 3.0-rc2, 3.0-rc3, 3.0-rc4, 3.0-rc5, 3.0-rc6 (+173)

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=5f00110f7273f9ff04ac69a5f85bb535a4fd0987
http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00018.html
http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html
http://rhn.redhat.com/errata/RHSA-2013-0744.html
http://rhn.redhat.com/errata/RHSA-2013-0882.html
http://rhn.redhat.com/errata/RHSA-2013-0928.html
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.10
http://www.mandriva.com/security/advisories?name=MDVSA-2013:176
http://www.openwall.com/lists/oss-security/2013/02/25/23
http://www.ubuntu.com/usn/USN-1787-1
http://www.ubuntu.com/usn/USN-1788-1
http://www.ubuntu.com/usn/USN-1792-1

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