5.5

CVE-2022-50402

drivers/md/md-bitmap: check the return value of md_bitmap_get_counter()

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
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
LinuxLinux Kernel Version >= 3.5 < 4.19.270
LinuxLinux Kernel Version >= 4.20 < 5.4.229
LinuxLinux Kernel Version >= 5.5 < 5.10.163
LinuxLinux Kernel Version >= 5.11 < 5.15.86
LinuxLinux Kernel Version >= 5.16 < 6.0.16
LinuxLinux Kernel Version >= 6.1 < 6.1.2
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.15% 0.043
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
134c704f-9b21-4f2e-91b3-4a467353bcc0 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

https://git.kernel.org/stable/c/100caacfa0ed26e061954c90cdc835d42f709536
Patch
https://git.kernel.org/stable/c/21e9aac9a74d30907d44bae0d24c036cb3819406
Patch
https://git.kernel.org/stable/c/3bd548e5b819b8c0f2c9085de775c5c7bff9052f
Patch
https://git.kernel.org/stable/c/5d8d046f3dba939e74e2414f009df426700430ed
Patch
https://git.kernel.org/stable/c/99bef41f8e8d1d52b5cb34f2f193f1346192752b
Patch
https://git.kernel.org/stable/c/b621d17fe8b079574c773800148fb86907f3445d
Patch
https://git.kernel.org/stable/c/ff3b7e12bc9f50de05c9d82b5b79e23e5be888f1
Patch