Improper input validation in Linux kernel - CVE-2015-2041
Published: April 21, 2015 / Updated: October 17, 2018
Vulnerability identifier: #VU92504
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2015-2041
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to read and manipulate data.
The vulnerability exists due to improper input validation error within the sizeof() function in net/llc/sysctl_net_llc.c. A local user can read and manipulate data.
Affected software
Linux kernel
How to mitigate CVE-2015-2041
Install update from vendor's repository.
External References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=6b8d9117ccb4f81b1244aafa7bc70ef8fa45fc49
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html
- http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00023.html
- http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00011.html
- http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.html
- http://www.debian.org/security/2015/dsa-3237
- http://www.openwall.com/lists/oss-security/2015/02/20/19
- http://www.securityfocus.com/bid/72729
- http://www.ubuntu.com/usn/USN-2560-1
- http://www.ubuntu.com/usn/USN-2561-1
- http://www.ubuntu.com/usn/USN-2562-1
- http://www.ubuntu.com/usn/USN-2563-1
- http://www.ubuntu.com/usn/USN-2564-1
- http://www.ubuntu.com/usn/USN-2565-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1195350
- https://github.com/torvalds/linux/commit/6b8d9117ccb4f81b1244aafa7bc70ef8fa45fc49