CVE-2022-49359
drm/panfrost: Job should reference MMU not file_priv
- Published
- Updated
- Reserved
- Assigned by
- Linux
Description
In the Linux kernel, the following vulnerability has been resolved: drm/panfrost: Job should reference MMU not file_priv For a while now it's been allowed for a MMU context to outlive it's corresponding panfrost_priv, however the job structure still references panfrost_priv to get hold of the MMU context. If panfrost_priv has been freed this is a use-after-free which I've been able to trigger resulting in a splat. To fix this, drop the reference to panfrost_priv in the job structure and add a direct reference to the MMU structure which is what's actually needed.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| LinuxCNA (assigner) | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| CISA-ADPADP (enrichment) | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Analyzed | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.27% · top 81% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Weakness
Affected products
- affected 7fdc48cc63a30fa3480d18bdd8c5fff2b9b15212 – < 8c8e8cc91a6ffc79865108279a74fd57d9070a17
- affected 7fdc48cc63a30fa3480d18bdd8c5fff2b9b15212 – < 472dd7ea5e19a1aeabf1711ddc756777e05ee7c2
- affected 7fdc48cc63a30fa3480d18bdd8c5fff2b9b15212 – < 6e516faf04317db2c46cbec4e3b78b4653a5b109
- affected c29485e34e63198dca6289639aa711f99d88e76e
- affected 626adede2642f00c8918999a2451bd0a644ab9b7
- affected cf461fa9250a634e8afc4433d82ae0decea8136e
- affected 5.10.67 – < 5.11
- affected 5.13.19 – < 5.14
- affected 5.14.6 – < 5.15
- affected 5.15
- unaffected < 5.15
- unaffected 5.17.15 – ≤ 5.17.*
- unaffected 5.18.4 – ≤ 5.18.*
- unaffected 5.19 – ≤ *
References (3)
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-2022-49359)Record last updated .