CVE-2022-50402

low-risk
Published 2025-09-18

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

Do I need to act?

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0.01% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Products (1)

Affected Vendors

Linux

References (7)

Patch 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
23
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal