SB2013092504 - Resource management error in Linux kernel
Published: September 25, 2013 Updated: August 10, 2020
Security Bulletin ID
SB2013092504
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Resource management error (CVE-ID: CVE-2013-4343)
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
Use-after-free vulnerability in drivers/net/tun.c in the Linux kernel through 3.11.1 allows local users to gain privileges by leveraging the CAP_NET_ADMIN capability and providing an invalid tuntap interface name in a TUNSETIFF ioctl call.
Remediation
Install update from vendor's website.
References
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00071.html
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00039.html
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00048.html
- http://marc.info/?l=linux-kernel&m=137889490510745&w=2
- http://rhn.redhat.com/errata/RHSA-2013-1490.html
- http://www.openwall.com/lists/oss-security/2013/09/12/3
- http://www.spinics.net/lists/netdev/msg250066.html
- http://www.ubuntu.com/usn/USN-2020-1
- http://www.ubuntu.com/usn/USN-2023-1
- http://www.ubuntu.com/usn/USN-2049-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1007733