SB2010042002 - Input validation error in Linux kernel
Published: April 20, 2010
Security Bulletin ID
SB2010042002
CSH 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 vulnerability.
1) Input validation error (CVE-ID: CVE-2010-1162)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local user to execute arbitrary code.
The release_one_tty function in drivers/char/tty_io.c in the Linux kernel before 2.6.34-rc4 omits certain required calls to the put_pid function, which has unspecified impact and local attack vectors.
Remediation
Install update from vendor's website.
References
- http://www.openwall.com/lists/oss-security/2010/04/16/1
- http://www.openwall.com/lists/oss-security/2010/04/15/2
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.34-rc4
- http://www.openwall.com/lists/oss-security/2010/04/14/1
- http://www.openwall.com/lists/oss-security/2010/04/15/1
- https://bugzilla.redhat.com/show_bug.cgi?id=582076
- http://secunia.com/advisories/39830
- http://www.debian.org/security/2010/dsa-2053
- http://www.vupen.com/english/advisories/2010/1857
- http://lists.opensuse.org/opensuse-security-announce/2010-07/msg00006.html
- http://secunia.com/advisories/40645
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:198
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=6da8d866d0d39e9509ff826660f6a86a6757c966