SB2012062213 - Permissions, Privileges, and Access Controls in Linux kernel
Published: June 22, 2012 Updated: August 11, 2020
Security Bulletin ID
SB2012062213
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2011-0006)
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.
Remediation
Install update from vendor's website.
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