Description
In the Linux kernel, the following vulnerability has been resolved: regmap: Fix race condition in hwspinlock irqsave routine Previously, the address of the shared member '&map->spinlock_flags' was passed directly to 'hwspin_lock_timeout_irqsave'. This creates a race condition where multiple contexts contending for the lock could overwrite the shared flags variable, potentially corrupting the state for the current lock owner. Fix this by using a local stack variable 'flags' to store the IRQ state temporarily.
Product status
8698b9364710e7bac84b3af07dd410e39c8c2e08 (git) before e1a7072bc4f958c9e852dc7e57e39f12b0bb44b5
8698b9364710e7bac84b3af07dd410e39c8c2e08 (git) before 766e243ae8c8b27087a4cc605752c0d5ee2daeab
8698b9364710e7bac84b3af07dd410e39c8c2e08 (git) before f1e2fe26a51eca95b41420af76d22c2e613efd5e
8698b9364710e7bac84b3af07dd410e39c8c2e08 (git) before 24f31be6ad70537fd7706269d99c92cade465a09
8698b9364710e7bac84b3af07dd410e39c8c2e08 (git) before 4aab0ca0a0f7760e33edcb4e47576064d05128f5
8698b9364710e7bac84b3af07dd410e39c8c2e08 (git) before c2d2cf710dc3ee1a69e00b4ed8de607a92a07889
8698b9364710e7bac84b3af07dd410e39c8c2e08 (git) before 4b58aac989c1e3fafb1c68a733811859df388250
4.15
Any version before 4.15
5.10.249 (semver)
5.15.199 (semver)
6.1.162 (semver)
6.6.122 (semver)
6.12.68 (semver)
6.18.8 (semver)
6.19 (original_commit_for_fix)
References
git.kernel.org/...c/e1a7072bc4f958c9e852dc7e57e39f12b0bb44b5
git.kernel.org/...c/766e243ae8c8b27087a4cc605752c0d5ee2daeab
git.kernel.org/...c/f1e2fe26a51eca95b41420af76d22c2e613efd5e
git.kernel.org/...c/24f31be6ad70537fd7706269d99c92cade465a09
git.kernel.org/...c/4aab0ca0a0f7760e33edcb4e47576064d05128f5
git.kernel.org/...c/c2d2cf710dc3ee1a69e00b4ed8de607a92a07889
git.kernel.org/...c/4b58aac989c1e3fafb1c68a733811859df388250