Buffer overflow in Linux kernel - CVE-2013-4512
Published: November 12, 2013 / Updated: August 10, 2020
Vulnerability identifier: #VU42381
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2013-4512
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
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.
How to mitigate CVE-2013-4512
Install update from vendor's website.
Sources
- 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