CVE-2013-2237

Severity: low (CVSS 2.1 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: 2013-07-04 · updated 2026-06-16
Weakness: CWE-119

Description

The key_notify_policy_flush function in net/key/af_key.c in the Linux kernel before 3.9 does not initialize a certain structure member, which allows local users to obtain sensitive information from kernel heap memory by reading a broadcast message from the notify_policy interface of an IPSec key_socket.

Affected products

Linux kernel: through 3.8.13; 3.0-rc1, 3.0-rc2, 3.0-rc3, 3.0-rc4, 3.0-rc5, 3.0-rc6 (+220)

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=85dfb745ee40232876663ae206cba35f24ab2a40
http://lists.opensuse.org/opensuse-security-announce/2013-09/msg00003.html
http://lists.opensuse.org/opensuse-security-announce/2013-09/msg00004.html
http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html
http://rhn.redhat.com/errata/RHSA-2013-1166.html
http://rhn.redhat.com/errata/RHSA-2013-1173.html
http://www.debian.org/security/2013/dsa-2766
http://www.openwall.com/lists/oss-security/2013/07/04/3
http://www.ubuntu.com/usn/USN-1912-1
http://www.ubuntu.com/usn/USN-1913-1
http://www.ubuntu.com/usn/USN-1970-1
http://www.ubuntu.com/usn/USN-1972-1

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