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CVE-2022-49359drm/panfrost: Job should reference MMU not file_priv

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.

Timeline

  1. ID reserved

    By Linux

  2. Published

  3. · 18 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

CVSS scores of CVE-2022-49359, by who scored it
Scored byCVSSScoreVector
LinuxCNA (assigner)3.1High7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA-ADPADP (enrichment)3.1High7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVDNVD · Analyzed3.1High7.8CVSS: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 (12 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: total
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.

Affected products

  • Linux · Linux

    • 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

  • Linux · Linux

    • affected 5.15
    • unaffected < 5.15
    • unaffected 5.17.15 – ≤ 5.17.*
    • unaffected 5.18.4 – ≤ 5.18.*
    • unaffected 5.19 – ≤ *

References

References3

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .