CVE-2021-47445drm/msm: Fix null pointer dereference on pointer edp
- 5.5MediumCVSS base score
- 0.23%Exploitation in 30 daysEPSS · top 87% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
In the Linux kernel, the following vulnerability has been resolved: drm/msm: Fix null pointer dereference on pointer edp The initialization of pointer dev dereferences pointer edp before edp is null checked, so there is a potential null pointer deference issue. Fix this by only dereferencing edp after edp has been null checked. Addresses-Coverity: ("Dereference before null check")
Timeline
ID reserved
By Linux
- 1 day later
· 1 day later
Published
- 24 months later
· 24 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 |
|---|---|---|---|
| NVDNVD · Analyzed | 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)
- 0.23% · top 87% of all CVEs (12 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Affected products
- affected ab5b0107ccf3821a6837b0f2819270d6fa0b278f – < f175b9a83e5c252d7c74acddc792840016caae0a
- affected ab5b0107ccf3821a6837b0f2819270d6fa0b278f – < bacac7d26849c8e903ceb7466d9ce8dc3c2797eb
- affected ab5b0107ccf3821a6837b0f2819270d6fa0b278f – < 0cd063aa0a09822cc1620fc59a67fe2f9f6338ac
- affected ab5b0107ccf3821a6837b0f2819270d6fa0b278f – < 7f642b93710b6b1119bdff90be01e6b5a2a5d669
- affected ab5b0107ccf3821a6837b0f2819270d6fa0b278f – < f302be08e3de94db8863a0b2958b2bb3e8e998e6
- affected ab5b0107ccf3821a6837b0f2819270d6fa0b278f – < 91a340768b012f5b910a203a805b97a345b3db37
- affected ab5b0107ccf3821a6837b0f2819270d6fa0b278f – < 46c8ddede0273d1d132beefa9de8b820326982be
- affected ab5b0107ccf3821a6837b0f2819270d6fa0b278f – < 2133c4fc8e1348dcb752f267a143fe2254613b34
- affected 4.0
- unaffected < 4.0
- unaffected 4.4.290 – ≤ 4.4.*
- unaffected 4.9.288 – ≤ 4.9.*
- unaffected 4.14.252 – ≤ 4.14.*
- unaffected 4.19.213 – ≤ 4.19.*
- unaffected 5.4.155 – ≤ 5.4.*
- unaffected 5.10.75 – ≤ 5.10.*
- unaffected 5.14.14 – ≤ 5.14.*
- unaffected 5.15 – ≤ *
References
References8
- https://git.kernel.org/stable/c/f175b9a83e5c252d7c74acddc792840016caae0a (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/bacac7d26849c8e903ceb7466d9ce8dc3c2797eb (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/0cd063aa0a09822cc1620fc59a67fe2f9f6338ac (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/7f642b93710b6b1119bdff90be01e6b5a2a5d669 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/f302be08e3de94db8863a0b2958b2bb3e8e998e6 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/91a340768b012f5b910a203a805b97a345b3db37 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/46c8ddede0273d1d132beefa9de8b820326982be (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/2133c4fc8e1348dcb752f267a143fe2254613b34 (opens in a new tab)x_transferred
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)
- EUVD EUVD-2021-34450 (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://cveledger.app/cve/CVE-2021-47445)Record last updated .