Description
In the Linux kernel, the following vulnerability has been resolved: bus: fsl-mc: fix use-after-free in driver_override_show() The driver_override_show() function reads the driver_override string without holding the device_lock. However, driver_override_store() uses driver_set_override(), which modifies and frees the string while holding the device_lock. This can result in a concurrent use-after-free if the string is freed by the store function while being read by the show function. Fix this by holding the device_lock around the read operation.
Product status
1f86a00c1159fd77e66b1bd6ff1a183f4d46f34d (git) before c71dfb7833db7af652ee8f65011f14c97c47405d
1f86a00c1159fd77e66b1bd6ff1a183f4d46f34d (git) before c424e72cfa67e7e1477035058a8a659f2c0ea637
1f86a00c1159fd77e66b1bd6ff1a183f4d46f34d (git) before b1983840287303e0dfb401b1b6cecc5ea7471e90
1f86a00c1159fd77e66b1bd6ff1a183f4d46f34d (git) before dd8ba8c0c3f3916d4ee1e3a09da9cd5caff5d227
1f86a00c1159fd77e66b1bd6ff1a183f4d46f34d (git) before 1d6bd6183e723a7b256ff34bbb5b498b5f4f2ec0
1f86a00c1159fd77e66b1bd6ff1a183f4d46f34d (git) before a2ae33e1c6361e960a4d00f7cf75d880b54f9528
1f86a00c1159fd77e66b1bd6ff1a183f4d46f34d (git) before 148891e95014b5dc5878acefa57f1940c281c431
5.10
Any version before 5.10
5.15.201 (semver)
6.1.164 (semver)
6.6.127 (semver)
6.12.74 (semver)
6.18.11 (semver)
6.19.1 (semver)
7.0-rc1 (original_commit_for_fix)
References
git.kernel.org/...c/c71dfb7833db7af652ee8f65011f14c97c47405d
git.kernel.org/...c/c424e72cfa67e7e1477035058a8a659f2c0ea637
git.kernel.org/...c/b1983840287303e0dfb401b1b6cecc5ea7471e90
git.kernel.org/...c/dd8ba8c0c3f3916d4ee1e3a09da9cd5caff5d227
git.kernel.org/...c/1d6bd6183e723a7b256ff34bbb5b498b5f4f2ec0
git.kernel.org/...c/a2ae33e1c6361e960a4d00f7cf75d880b54f9528
git.kernel.org/...c/148891e95014b5dc5878acefa57f1940c281c431