SB2012100305 - Use-after-free in Linux kernel
Published: October 3, 2012 Updated: August 11, 2020
Security Bulletin ID
SB2012100305
Severity
Medium
Patch available
NO
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2012-3510)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error when processing a taskstats TASKSTATS_CMD_ATTR_PID command. A local users can obtain potentially sensitive information from kernel memory or cause a denial of service (system crash).
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.
References
- http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.19
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=f0ec1aaf54caddd21c259aea8b2ecfbde4ee4fb9
- http://rhn.redhat.com/errata/RHSA-2012-1323.html
- http://secunia.com/advisories/50811
- http://www.openwall.com/lists/oss-security/2012/08/20/12
- http://www.securityfocus.com/bid/55144
- http://www.securitytracker.com/id?1027602
- https://bugzilla.redhat.com/show_bug.cgi?id=849722
- https://github.com/torvalds/linux/commit/f0ec1aaf54caddd21c259aea8b2ecfbde4ee4fb9