SB2015040602 - Improper input validation in Linux kernel net
Published: April 6, 2015
Security Bulletin ID
SB2015040602
Severity
Low
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) Improper input validation (CVE-ID: CVE-2015-1465)
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation error within the __mkroute_input() and rt_fill_info() functions in net/ipv4/route.c, within the ip_forward() function in net/ipv4/ip_forward.c. A remote non-authenticated attacker can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1183744
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=df4d92549f23e1c037e83323aff58a21b3de7fe0
- https://github.com/torvalds/linux/commit/df4d92549f23e1c037e83323aff58a21b3de7fe0
- http://www.openwall.com/lists/oss-security/2015/02/03/13
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.18.8
- http://www.ubuntu.com/usn/USN-2545-1
- http://www.ubuntu.com/usn/USN-2546-1
- http://www.securityfocus.com/bid/72435
- http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00009.html
- http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00008.html
- http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00011.html
- http://www.ubuntu.com/usn/USN-2563-1
- http://www.ubuntu.com/usn/USN-2562-1
- http://www.securitytracker.com/id/1036763