CVE-2013-3224

Severity: medium (CVSS 4.9 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2013-04-22 · updated 2026-06-16
Weakness: CWE-200

Description

The bt_sock_recvmsg function in net/bluetooth/af_bluetooth.c in the Linux kernel before 3.9-rc7 does not properly initialize a certain length variable, which allows local users to obtain sensitive information from kernel stack memory via a crafted recvmsg or recvfrom system call.

Affected products

Linux kernel: through 3.9; 3.9-rc1, 3.9-rc2, 3.9-rc3, 3.9-rc4, 3.9-rc5

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=4683f42fde3977bdb4e8a09622788cc8b5313778
http://lists.fedoraproject.org/pipermail/package-announce/2013-April/103750.html
http://lists.fedoraproject.org/pipermail/package-announce/2013-May/104480.html
http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00016.html
http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00018.html
http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html
http://rhn.redhat.com/errata/RHSA-2013-1051.html
http://www.mandriva.com/security/advisories?name=MDVSA-2013:176
http://www.openwall.com/lists/oss-security/2013/04/14/3
http://www.ubuntu.com/usn/USN-1837-1
https://github.com/torvalds/linux/commit/4683f42fde3977bdb4e8a09622788cc8b5313778
https://lkml.org/lkml/2013/4/14/107

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