SB2017020710 - Use-after-free in Linux kernel ipv4
Published: February 7, 2017
Security Bulletin ID
SB2017020710
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2014-9914)
The vulnerability allows a local user to execute arbitrary code.
The vulnerability exists due to a use-after-free error within the EXPORT_SYMBOL() and ip4_datagram_release_cb() functions in net/ipv4/datagram.c. A local user can execute arbitrary code.
Remediation
Install update from vendor's website.
References
- https://github.com/torvalds/linux/commit/9709674e68646cee5a24e3000b3558d25412203a
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.15.2
- http://source.android.com/security/bulletin/2017-02-01.html
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9709674e68646cee5a24e3000b3558d25412203a
- http://www.securityfocus.com/bid/96100
- http://www.securitytracker.com/id/1037798