#VU43444 Use-after-free in Linux kernel - CVE-2012-3510
Published: October 3, 2012 / Updated: August 11, 2020
Vulnerability identifier: #VU43444
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2012-3510
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
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 currently unaware of any official solution to address this vulnerability.
External links
- 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