SB2012122703 - Input validation error in Linux kernel
Published: December 27, 2012 Updated: August 11, 2020
Security Bulletin ID
SB2012122703
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2012-2669)
The vulnerability allows a remote non-authenticated attacker to manipulate data.
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.
Remediation
Install update from vendor's website.
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=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