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CVE-2025-21990

drm/amdgpu: NULL-check BO's backing store when determining GFX12 PTE flags

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: NULL-check BO's backing store when determining GFX12 PTE flags PRT BOs may not have any backing store, so bo->tbo.resource will be NULL. Check for that before dereferencing. (cherry picked from commit 3e3fcd29b505cebed659311337ea03b7698767fc)

Timeline

  1. ID reserved

    By Linux

  2. · 3 months later

    Published

  3. · 13 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-2025-21990, by who scored it
Scored byCVSSScoreVector
CISA-ADPADP (enrichment)3.1Medium5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVDNVD · Modified3.1Medium5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS (exploitation in 30 days)
0.19% · top 91% of all CVEs (11 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.

Affected products

  • Linux · Linux

    • affected 0cce5f285d9ae81c33993f3270fe77f5e74a69ab – < 72235808eabea93055b459a63443bd9cd6b08aa4
    • affected 0cce5f285d9ae81c33993f3270fe77f5e74a69ab – < af23e39b9e9280b1f6299b6f2fa090a1694240ad
    • affected 0cce5f285d9ae81c33993f3270fe77f5e74a69ab – < 6cc30748e17ea2a64051ceaf83a8372484e597f1

  • Linux · Linux

    • affected 6.11
    • unaffected < 6.11
    • unaffected 6.12.20 – ≤ 6.12.*
    • unaffected 6.13.8 – ≤ 6.13.*
    • unaffected 6.14 – ≤ *

References

References3

Sources

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

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Record last updated .