Permissions, Privileges, and Access Controls in Linux kernel - CVE-2011-0006
Published: June 22, 2012 / Updated: August 11, 2020
Vulnerability identifier: #VU43962
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2011-0006
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to manipulate data.
The ima_lsm_rule_init function in security/integrity/ima/ima_policy.c in the Linux kernel before 2.6.37, when the Linux Security Modules (LSM) framework is disabled, allows local users to bypass Integrity Measurement Architecture (IMA) rules in opportunistic circumstances by leveraging an administrator's addition of an IMA rule for LSM.
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-2011-0006
Install update from vendor's website.
linux (Ubuntu package) - addressed in versions 2.6.32-29.58, 2.6.35-27.48
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-2.6.37
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=867c20265459d30a01b021a9c1e81fb4c5832aa9
- http://www.openwall.com/lists/oss-security/2011/01/06/18
- https://bugzilla.redhat.com/show_bug.cgi?id=667912
- https://github.com/torvalds/linux/commit/867c20265459d30a01b021a9c1e81fb4c5832aa9