SB2013111206 - Buffer overflow in Linux kernel
Published: November 12, 2013 Updated: August 10, 2020
Security Bulletin ID
SB2013111206
Severity
Medium
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) Buffer overflow (CVE-ID: CVE-2013-4512)
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
Buffer overflow in the exitcode_proc_write function in arch/um/kernel/exitcode.c in the Linux kernel before 3.12 allows local users to cause a denial of service or possibly have unspecified other impact by leveraging root privileges for a write operation.
Remediation
Install update from vendor's website.
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=201f99f170df14ba52ea4c52847779042b7a623b
- http://www.openwall.com/lists/oss-security/2013/11/04/22
- http://www.securityfocus.com/bid/63510
- https://github.com/torvalds/linux/commit/201f99f170df14ba52ea4c52847779042b7a623b
- https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.12.bz2