Description
In the Linux kernel, the following vulnerability has been resolved: ima: Fix memory leak in __ima_inode_hash() Commit f3cc6b25dcc5 ("ima: always measure and audit files in policy") lets measurement or audit happen even if the file digest cannot be calculated. As a result, iint->ima_hash could have been allocated despite ima_collect_measurement() returning an error. Since ima_hash belongs to a temporary inode metadata structure, declared at the beginning of __ima_inode_hash(), just add a kfree() call if ima_collect_measurement() returns an error different from -ENOMEM (in that case, ima_hash should not have been allocated).
Product status
280fe8367b0dc45b6ac5e04fad03e16e99540c0c (git) before c4df8cb38f139ed9f4296868c0a6f15a26e8c491
280fe8367b0dc45b6ac5e04fad03e16e99540c0c (git) before f375bcf69f58fd0744c9dfd1b6b891a27301d67b
280fe8367b0dc45b6ac5e04fad03e16e99540c0c (git) before 8c1d6a050a0f16e0a9d32eaf53b965c77279c6f8
5.18
Any version before 5.18
6.0.18 (semver)
6.1.4 (semver)
6.2 (original_commit_for_fix)
References
git.kernel.org/...c/c4df8cb38f139ed9f4296868c0a6f15a26e8c491
git.kernel.org/...c/f375bcf69f58fd0744c9dfd1b6b891a27301d67b
git.kernel.org/...c/8c1d6a050a0f16e0a9d32eaf53b965c77279c6f8
