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CVE-2025-71076

drm/xe/oa: Limit num_syncs to prevent oversized allocations

Description

In the Linux kernel, the following vulnerability has been resolved: drm/xe/oa: Limit num_syncs to prevent oversized allocations The OA open parameters did not validate num_syncs, allowing userspace to pass arbitrarily large values, potentially leading to excessive allocations. Add check to ensure that num_syncs does not exceed DRM_XE_MAX_SYNCS, returning -EINVAL when the limit is violated. v2: use XE_IOCTL_DBG() and drop duplicated check. (Ashutosh) (cherry picked from commit e057b2d2b8d815df3858a87dffafa2af37e5945b)

Timeline

  1. ID reserved

    By Linux

  2. Published

  3. · 10 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-2025-71076, by who scored it
Scored byCVSSScoreVector
NVDNVD · Analyzed3.1Medium5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS (exploitation in 30 days)
0.14% · top 96% of all CVEs (9 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 803d418b73387fda392ddd83eace757ac25cf15d – < b963636331fb4f3f598d80492e2fa834757198eb
    • affected c8507a25cebd179db935dd266a33c51bef1b1e80 – < 338849090ee610ff6d11e5e90857d2c27a4121ab
    • affected c8507a25cebd179db935dd266a33c51bef1b1e80 – < f8dd66bfb4e184c71bd26418a00546ebe7f5c17a
    • affected 6.12.17 – < 6.12.64

  • Linux · Linux

    • affected 6.13
    • unaffected < 6.13
    • unaffected 6.12.64 – ≤ 6.12.*
    • unaffected 6.18.3 – ≤ 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 .