Description
In the Linux kernel, the following vulnerability has been resolved: mm, slab: clean up slab->obj_exts always When memory allocation profiling is disabled at runtime or due to an error, shutdown_mem_profiling() is called: slab->obj_exts which previously allocated remains. It won't be cleared by unaccount_slab() because of mem_alloc_profiling_enabled() not true. It's incorrect, slab->obj_exts should always be cleaned up in unaccount_slab() to avoid following error: [...]BUG: Bad page state in process... .. [...]page dumped because: page still charged to cgroup [andriy.shevchenko@linux.intel.com: fold need_slab_obj_ext() into its only user]
Product status
21c690a349baab895dc68ab70d291e1598d7109d (git) before dab2a13059a475b6392550f882276e170fe2fcff
21c690a349baab895dc68ab70d291e1598d7109d (git) before 01db0e1a48345aa1937f3bdfc7c7108d03ebcf7e
21c690a349baab895dc68ab70d291e1598d7109d (git) before be8250786ca94952a19ce87f98ad9906448bc9ef
6.10
Any version before 6.10
6.12.28 (semver)
6.14.6 (semver)
6.15 (original_commit_for_fix)
References
git.kernel.org/...c/dab2a13059a475b6392550f882276e170fe2fcff
git.kernel.org/...c/01db0e1a48345aa1937f3bdfc7c7108d03ebcf7e
git.kernel.org/...c/be8250786ca94952a19ce87f98ad9906448bc9ef