Improper input validation in Linux kernel - CVE-2015-2042
Published: April 21, 2015 / Updated: January 3, 2017
Vulnerability identifier: #VU92503
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2015-2042
CWE-ID: CWE-20
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 local user to read and manipulate data.
The vulnerability exists due to improper input validation error within the sizeof() function in net/rds/sysctl.c. A local user can read and manipulate data.
How to mitigate CVE-2015-2042
Install update from vendor's repository.
Sources
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=db27ebb111e9f69efece08e4cb6a34ff980f8896
- 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/2015/02/20/20
- http://www.securityfocus.com/bid/72730
- 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=1195355
- https://github.com/torvalds/linux/commit/db27ebb111e9f69efece08e4cb6a34ff980f8896