Description (CNA)
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.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected 1f86a00c1159fd77e66b1bd6ff1a183f4d46f34d before c71dfb7833db7af652ee8f65011f14c97c47405d; affected 1f86a00c1159fd77e66b1bd6ff1a183f4d46f34d before c424e72cfa67e7e1477035058a8a659f2c0ea637; affected 1f86a00c1159fd77e66b1bd6ff1a183f4d46f34d before b1983840287303e0dfb401b1b6cecc5ea7471e90; affected 1f86a00c1159fd77e66b1bd6ff1a183f4d46f34d before dd8ba8c0c3f3916d4ee1e3a09da9cd5caff5d227; affected 1f86a00c1159fd77e66b1bd6ff1a183f4d46f34d before 1d6bd6183e723a7b256ff34bbb5b498b5f4f2ec0; affected 1f86a00c1159fd77e66b1bd6ff1a183f4d46f34d before a2ae33e1c6361e960a4d00f7cf75d880b54f9528; affected 1f86a00c1159fd77e66b1bd6ff1a183f4d46f34d before 148891e95014b5dc5878acefa57f1940c281c431 |
| Linux / Linux | affected 5.10; unaffected 0 before 5.10; unaffected 5.15.201 through 5.15.*; unaffected 6.1.164 through 6.1.*; unaffected 6.6.127 through 6.6.*; unaffected 6.12.74 through 6.12.*; unaffected 6.18.11 through 6.18.*; unaffected 6.19.1 through 6.19.*; unaffected 7.0 through * |
CWE
No CWE identifiers supplied.
References
- https://git.kernel.org/stable/c/c71dfb7833db7af652ee8f65011f14c97c47405d
- https://git.kernel.org/stable/c/c424e72cfa67e7e1477035058a8a659f2c0ea637
- https://git.kernel.org/stable/c/b1983840287303e0dfb401b1b6cecc5ea7471e90
- https://git.kernel.org/stable/c/dd8ba8c0c3f3916d4ee1e3a09da9cd5caff5d227
- https://git.kernel.org/stable/c/1d6bd6183e723a7b256ff34bbb5b498b5f4f2ec0
- https://git.kernel.org/stable/c/a2ae33e1c6361e960a4d00f7cf75d880b54f9528
- https://git.kernel.org/stable/c/148891e95014b5dc5878acefa57f1940c281c431