Input validation error in Linux kernel - CVE-2011-1476
Published: June 22, 2012 / Updated: August 11, 2020
Vulnerability identifier: #VU43953
CSH Severity: Medium
CVSS v4: 5.9 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2011-1476
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
Integer underflow in the Open Sound System (OSS) subsystem in the Linux kernel before 2.6.39 on unspecified non-x86 platforms allows local users to cause a denial of service (memory corruption) by leveraging write access to /dev/sequencer.
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-2011-1476
Install update from vendor's website.
linux (Ubuntu package) - addressed in versions 2.6.24-31.99, 2.6.32-32.62, 2.6.35-30.54, 2.6.38-10.46
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://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b769f49463711205d57286e64cf535ed4daf59e9
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html
- http://www.openwall.com/lists/oss-security/2011/03/25/1
- https://github.com/torvalds/linux/commit/b769f49463711205d57286e64cf535ed4daf59e9