CVE-2012-2669

Severity: low (CVSS 2.1 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: 2012-12-27 · updated 2026-06-16
Weakness: CWE-20

Description

The main function in tools/hv/hv_kvp_daemon.c in hypervkvpd, as distributed in the Linux kernel before 3.4.5, does not validate the origin of Netlink messages, which allows local users to spoof Netlink communication via a crafted connector message.

Affected products

Linux kernel: through 3.4.4; 3.4.1, 3.4.2, 3.4.3

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=bcc2c9c3fff859e0eb019fe6fec26f9b8eba795c
http://lists.opensuse.org/opensuse-updates/2012-11/msg00042.html
http://openwall.com/lists/oss-security/2012/06/06/12
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5
http://www.openwall.com/lists/oss-security/2012/11/27/12
https://bugzilla.novell.com/show_bug.cgi?id=761200
https://github.com/torvalds/linux/commit/bcc2c9c3fff859e0eb019fe6fec26f9b8eba795c
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=bcc2c9c3fff859e0eb019fe6fec26f9b8eba795c
http://lists.opensuse.org/opensuse-updates/2012-11/msg00042.html
http://openwall.com/lists/oss-security/2012/06/06/12
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5
http://www.openwall.com/lists/oss-security/2012/11/27/12

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