SB2014041505 - Input validation error in Linux kernel
Published: April 15, 2014 Updated: August 10, 2020
Security Bulletin ID
SB2014041505
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2014-0077)
The vulnerability allows a remote #AU# to #BASIC_IMPACT#.
drivers/vhost/net.c in the Linux kernel before 3.13.10, when mergeable buffers are disabled, does not properly validate packet lengths, which allows guest OS users to cause a denial of service (memory corruption and host OS crash) or possibly gain privileges on the host OS via crafted packets, related to the handle_rx and get_rx_bufs functions.
Remediation
Install update from vendor's website.
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d8316f3991d207fe32881a9ac20241be8fa2bad0
- http://secunia.com/advisories/59386
- http://secunia.com/advisories/59599
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.13.10
- http://www.securityfocus.com/bid/66678
- https://bugzilla.redhat.com/show_bug.cgi?id=1064440
- https://github.com/torvalds/linux/commit/d8316f3991d207fe32881a9ac20241be8fa2bad0