cve-2023-52774
Vulnerability from cvelistv5
Published
2024-05-21 15:30
Modified
2024-12-19 08:25
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: s390/dasd: protect device queue against concurrent access In dasd_profile_start() the amount of requests on the device queue are counted. The access to the device queue is unprotected against concurrent access. With a lot of parallel I/O, especially with alias devices enabled, the device queue can change while dasd_profile_start() is accessing the queue. In the worst case this leads to a kernel panic due to incorrect pointer accesses. Fix this by taking the device lock before accessing the queue and counting the requests. Additionally the check for a valid profile data pointer can be done earlier to avoid unnecessary locking in a hot path.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6062c527d0403cef27c54b91ac8390c3a497b250
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9372aab5d0ff621ea203c8c603e7e5f75e888240
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c841de6247e94e07566d57163d3c0d8b29278f7a
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/db46cd1e0426f52999d50fa72cfa97fa39952885
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/dc96fde8fcb2b896fd6c64802a7f4ece2e69b0be
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ebdc569a07a3e8dbe66b4184922ad6f88ac0b96f
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f1ac7789406e2ca9ac51c41ad2daa597f47bdd4d
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f75617cc8df4155374132f0b500b0b3ebb967458
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/6062c527d0403cef27c54b91ac8390c3a497b250
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/9372aab5d0ff621ea203c8c603e7e5f75e888240
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/c841de6247e94e07566d57163d3c0d8b29278f7a
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/db46cd1e0426f52999d50fa72cfa97fa39952885
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/dc96fde8fcb2b896fd6c64802a7f4ece2e69b0be
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/ebdc569a07a3e8dbe66b4184922ad6f88ac0b96f
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/f1ac7789406e2ca9ac51c41ad2daa597f47bdd4d
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/f75617cc8df4155374132f0b500b0b3ebb967458
Impacted products
Vendor Product Version
Linux Linux Version: 3.1
Show details on NVD website

To clipboard 

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