CVE-2013-7263

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: none known
Published: 2014-01-06 · updated 2026-06-17
Weakness: CWE-20

Description

The Linux kernel before 3.12.4 updates certain length values before ensuring that associated data structures have been initialized, which allows local users to obtain sensitive information from kernel stack memory via a (1) recvfrom, (2) recvmmsg, or (3) recvmsg system call, related to net/ipv4/ping.c, net/ipv4/raw.c, net/ipv4/udp.c, net/ipv6/raw.c, and net/ipv6/udp.c.

Affected products

Linux kernel: through 3.12.3; 3.0-rc1, 3.0-rc2, 3.0-rc3, 3.0-rc4, 3.0-rc5, 3.0-rc6 (+277)

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=bceaa90240b6019ed73b49965eac7d167610be69
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00026.html
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00000.html
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00015.html
http://rhn.redhat.com/errata/RHSA-2014-0159.html
http://rhn.redhat.com/errata/RHSA-2014-0285.html
http://seclists.org/oss-sec/2014/q1/29
http://secunia.com/advisories/55882
http://secunia.com/advisories/56036
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.12.4

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