NULL pointer dereference in Linux kernel - CVE-2013-1827
Published: March 22, 2013 / Updated: August 11, 2020
Vulnerability identifier: #VU42967
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2013-1827
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error in the Linux kernel before 3.5.4 allows local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) by leveraging the CAP_NET_ADMIN capability for a certain (1) sender or (2) receiver getsockopt call. Per: http://cwe.mitre.org/data/definitions/476. A remote attacker can perform a denial of service (DoS) attack.
How to mitigate CVE-2013-1827
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
Sources
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=276bdb82dedb290511467a5a4fdbe9f0b52dce6f
- http://rhn.redhat.com/errata/RHSA-2013-0744.html
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.5.4
- http://www.openwall.com/lists/oss-security/2013/03/07/2
- https://bugzilla.redhat.com/show_bug.cgi?id=919164
- https://github.com/torvalds/linux/commit/276bdb82dedb290511467a5a4fdbe9f0b52dce6f