Resource exhaustion in Linux kernel - CVE-2010-4668
Published: January 3, 2011 / Updated: August 12, 2020
Vulnerability identifier: #VU92553
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2010-4668
CWE-ID: CWE-400
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Linux kernel
Ubuntu
linux (Ubuntu package)
linux-lts-backport-maverick (Ubuntu package)
Ubuntu
linux (Ubuntu package)
linux-lts-backport-maverick (Ubuntu package)
How to mitigate CVE-2010-4668
Install update from vendor's repository.
linux (Ubuntu package) - addressed in versions 2.6.24-29.88, 2.6.32-30.59, 2.6.35-28.49
linux-lts-backport-maverick (Ubuntu package) - update to 2.6.35-30.56~lucid1
linux-lts-backport-maverick (Ubuntu package) - update to 2.6.35-30.56~lucid1
External 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/