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CVE-2025-71099

drm/xe/oa: Fix potential UAF in xe_oa_add_config_ioctl()

Description

In the Linux kernel, the following vulnerability has been resolved: drm/xe/oa: Fix potential UAF in xe_oa_add_config_ioctl() In xe_oa_add_config_ioctl(), we accessed oa_config->id after dropping metrics_lock. Since this lock protects the lifetime of oa_config, an attacker could guess the id and call xe_oa_remove_config_ioctl() with perfect timing, freeing oa_config before we dereference it, leading to a potential use-after-free. Fix this by caching the id in a local variable while holding the lock. v2: (Matt A) - Dropped mutex_unlock(&oa->metrics_lock) ordering change from xe_oa_remove_config_ioctl() (cherry picked from commit 28aeaed130e8e587fd1b73b6d66ca41ccc5a1a31)

Timeline

  1. ID reserved

    By Linux

  2. Published

  3. · 9 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-2025-71099, 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
NVDNVD · Modified3.1High7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
0.14% · top 97% of all CVEs (9 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 cdf02fe1a94a768cbcd20f5c4e1a1d805f4a06c0 – < c6d30b65b7a44dac52ad49513268adbf19eab4a2
    • affected cdf02fe1a94a768cbcd20f5c4e1a1d805f4a06c0 – < 7cdb9a9da935c687563cc682155461fef5f9b48d
    • affected cdf02fe1a94a768cbcd20f5c4e1a1d805f4a06c0 – < dcb171931954c51a1a7250d558f02b8f36570783
  • Linux · Linux

    • affected 6.11
    • unaffected < 6.11
    • unaffected 6.12.64 – ≤ 6.12.*
    • unaffected 6.18.4 – ≤ 6.18.*
    • unaffected 6.19 – ≤ *

References

3

Sources

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

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Record last updated .