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CVE-2022-50402
drivers/md/md-bitmap: check the return value of md_bitmap_get_counter()
Medium5.5EPSS 0.16%
- Published
- Updated
- Reserved
- Assigned by
- Linux
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
Timeline
ID reserved
By Linux
- 1 day later
· 1 day later
Published
- 8 months later
· 8 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| NVDNVD · Modified | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.16% · top 95% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Weakness
Affected products
- affected d60b479d177a5735b6b4db6ee5280ef6653f50e7 – < 21e9aac9a74d30907d44bae0d24c036cb3819406
- affected d60b479d177a5735b6b4db6ee5280ef6653f50e7 – < 5d8d046f3dba939e74e2414f009df426700430ed
- affected d60b479d177a5735b6b4db6ee5280ef6653f50e7 – < 100caacfa0ed26e061954c90cdc835d42f709536
- affected d60b479d177a5735b6b4db6ee5280ef6653f50e7 – < b621d17fe8b079574c773800148fb86907f3445d
- affected d60b479d177a5735b6b4db6ee5280ef6653f50e7 – < ff3b7e12bc9f50de05c9d82b5b79e23e5be888f1
- affected d60b479d177a5735b6b4db6ee5280ef6653f50e7 – < 99bef41f8e8d1d52b5cb34f2f193f1346192752b
- affected d60b479d177a5735b6b4db6ee5280ef6653f50e7 – < 3bd548e5b819b8c0f2c9085de775c5c7bff9052f
- affected 3.5
- unaffected < 3.5
- unaffected 4.19.270 – ≤ 4.19.*
- unaffected 5.4.229 – ≤ 5.4.*
- unaffected 5.10.163 – ≤ 5.10.*
- unaffected 5.15.86 – ≤ 5.15.*
- unaffected 6.0.16 – ≤ 6.0.*
- unaffected 6.1.2 – ≤ 6.1.*
- unaffected 6.2 – ≤ *
References (7)
- https://git.kernel.org/stable/c/21e9aac9a74d30907d44bae0d24c036cb3819406 (opens in a new tab)
- https://git.kernel.org/stable/c/5d8d046f3dba939e74e2414f009df426700430ed (opens in a new tab)
- https://git.kernel.org/stable/c/100caacfa0ed26e061954c90cdc835d42f709536 (opens in a new tab)
- https://git.kernel.org/stable/c/b621d17fe8b079574c773800148fb86907f3445d (opens in a new tab)
- https://git.kernel.org/stable/c/ff3b7e12bc9f50de05c9d82b5b79e23e5be888f1 (opens in a new tab)
- https://git.kernel.org/stable/c/99bef41f8e8d1d52b5cb34f2f193f1346192752b (opens in a new tab)
- https://git.kernel.org/stable/c/3bd548e5b819b8c0f2c9085de775c5c7bff9052f (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2022-50402)Record last updated .