SB2011010302 - Resource exhaustion in Linux kernel block
Published: January 3, 2011
Security Bulletin ID
SB2011010302
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Resource exhaustion (CVE-ID: CVE-2010-4668)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource exhaustion error within the blk_rq_map_user_iov() function in block/blk-map.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=5478755616ae2ef1ce144dded589b62b2a50d575
- http://lkml.org/lkml/2010/11/29/68
- http://lkml.org/lkml/2010/11/29/70
- http://openwall.com/lists/oss-security/2010/11/29/1
- http://openwall.com/lists/oss-security/2010/11/30/4
- http://openwall.com/lists/oss-security/2010/11/30/7
- http://secunia.com/advisories/42890
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.37-rc7
- http://www.redhat.com/support/errata/RHSA-2011-0007.html
- http://www.securityfocus.com/bid/45660
- https://exchange.xforce.ibmcloud.com/vulnerabilities/64496
- https://patchwork.kernel.org/patch/363282/