Unrated severityNVD Advisory· Published Sep 18, 2025· Updated Jan 14, 2026
drivers/md/md-bitmap: check the return value of md_bitmap_get_counter()
CVE-2022-50402
Description
In the Linux kernel, the following vulnerability has been resolved:
drivers/md/md-bitmap: check the return value of md_bitmap_get_counter()
Check the return value of md_bitmap_get_counter() in case it returns NULL pointer, which will result in a null pointer dereference.
v2: update the check to include other dereference
Affected products
2- Linux/Linuxv5Range: 3.5
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
7- git.kernel.org/stable/c/100caacfa0ed26e061954c90cdc835d42f709536mitre
- git.kernel.org/stable/c/21e9aac9a74d30907d44bae0d24c036cb3819406mitre
- git.kernel.org/stable/c/3bd548e5b819b8c0f2c9085de775c5c7bff9052fmitre
- git.kernel.org/stable/c/5d8d046f3dba939e74e2414f009df426700430edmitre
- git.kernel.org/stable/c/99bef41f8e8d1d52b5cb34f2f193f1346192752bmitre
- git.kernel.org/stable/c/b621d17fe8b079574c773800148fb86907f3445dmitre
- git.kernel.org/stable/c/ff3b7e12bc9f50de05c9d82b5b79e23e5be888f1mitre
News mentions
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