SB2013050307 - Permissions, Privileges, and Access Controls in Linux kernel
Published: May 3, 2013 Updated: August 11, 2020
Security Bulletin ID
SB2013050307
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2013-1979)
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
The scm_set_cred function in include/net/scm.h in the Linux kernel before 3.8.11 uses incorrect uid and gid values during credentials passing, which allows local users to gain privileges via a crafted application.
Remediation
Install update from vendor's website.
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=83f1b4ba917db5dc5a061a44b3403ddb6e783494
- http://lists.fedoraproject.org/pipermail/package-announce/2013-April/103750.html
- http://lists.fedoraproject.org/pipermail/package-announce/2013-May/104480.html
- http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00016.html
- http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00018.html
- http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00006.html
- http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00007.html
- http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.11
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:176
- http://www.openwall.com/lists/oss-security/2013/04/29/1
- https://bugzilla.redhat.com/show_bug.cgi?id=955629
- https://github.com/torvalds/linux/commit/83f1b4ba917db5dc5a061a44b3403ddb6e783494