Resource exhaustion in Linux kernel - CVE-2011-2491

Vulnerability identifier: #VU92530

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-2011-2491

CWE-ID: CWE-400

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to resource exhaustion error. A local user can perform a denial of service (DoS) attack.

Linux kernel
Ubuntu
linux (Ubuntu package)
linux-lts-backport-maverick (Ubuntu package)
linux-lts-backport-natty (Ubuntu package)

Install update from vendor's repository.

linux (Ubuntu package) - addressed in versions 2.6.24-30.96, 2.6.32-36.79, 2.6.35-31.62, 2.6.38-13.52
linux-lts-backport-maverick (Ubuntu package) - update to 2.6.35-31.62~lucid1
linux-lts-backport-natty (Ubuntu package) - update to 2.6.38-13.52~lucid1

• http://www.openwall.com/lists/oss-security/2011/06/23/6
• https://bugzilla.redhat.com/show_bug.cgi?id=709393
• http://ftp.osuosl.org/pub/linux/kernel/v3.0/ChangeLog-3.0
• https://github.com/torvalds/linux/commit/0b760113a3a155269a3fba93a409c640031dd68f
• http://rhn.redhat.com/errata/RHSA-2011-1212.html
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=0b760113a3a155269a3fba93a409c640031dd68f

• Resource exhaustion in Linux kernel
• Ubuntu update for linux
• Ubuntu update for linux
• Ubuntu update for linux-lts-backport-natty
• Ubuntu update for linux-lts-backport-maverick
• Ubuntu update for linux
• Ubuntu update for linux