CVE-2022-50402

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Source
https://cve.org/CVERecord?id=CVE-2022-50402
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-50402.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2022-50402
Downstream
Related
Published
2025-09-18T16:03:48.184Z
Modified
2026-03-12T03:26:31.088509Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
drivers/md/md-bitmap: check the return value of md_bitmap_get_counter()
Details

In the Linux kernel, the following vulnerability has been resolved:

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

Check the return value of mdbitmapget_counter() in case it returns NULL pointer, which will result in a null pointer dereference.

v2: update the check to include other dereference

Database specific 
{
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50402.json"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
d60b479d177a5735b6b4db6ee5280ef6653f50e7
Fixed
21e9aac9a74d30907d44bae0d24c036cb3819406
Fixed
5d8d046f3dba939e74e2414f009df426700430ed
Fixed
100caacfa0ed26e061954c90cdc835d42f709536
Fixed
b621d17fe8b079574c773800148fb86907f3445d
Fixed
ff3b7e12bc9f50de05c9d82b5b79e23e5be888f1
Fixed
99bef41f8e8d1d52b5cb34f2f193f1346192752b
Fixed
3bd548e5b819b8c0f2c9085de775c5c7bff9052f

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-50402.json"