Description
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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | perf +13 | 2.6.32-71.29.1.el6 | RHSA-2011:0498 |
Advisories 1
- RHSA-2011:0498 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 28, 2026
References
- [oss-security] 20110106 Re: CVE Request: kernel [Re: Security review of 2.6.32.28] mailing-list
- https://bugzilla.redhat.com/show_bug.cgi?id=667912
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=867c20265459d30a01b021a9c1e81fb4c5832aa9
- http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.37
- https://github.com/torvalds/linux/commit/867c20265459d30a01b021a9c1e81fb4c5832aa9