SB2012101106 - Resource management error in Linux kernel
Published: October 11, 2012 Updated: August 11, 2020
Security Bulletin ID
SB2012101106
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Resource management error (CVE-ID: CVE-2012-4467)
The vulnerability allows a remote non-authenticated attacker to #BASIC_IMPACT#.
The (1) do_siocgstamp and (2) do_siocgstampns functions in net/socket.c in the Linux kernel before 3.5.4 use an incorrect argument order, which allows local users to obtain sensitive information from kernel memory or cause a denial of service (system crash) via a crafted ioctl call.
Remediation
Install update from vendor's website.
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ed6fe9d614fc1bca95eb8c0ccd0e92db00ef9d5d
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.5.4
- http://www.openwall.com/lists/oss-security/2012/10/04/2
- http://www.securityfocus.com/bid/55785
- https://github.com/torvalds/linux/commit/ed6fe9d614fc1bca95eb8c0ccd0e92db00ef9d5d