CVE-2026-23280 (GCVE-0-2026-23280)

Vulnerability from cvelistv5 – Published: 2026-03-25 10:26 – Updated: 2026-08-05 12:21
VLAI
Title
accel/amdxdna: Prevent ubuf size overflow
Summary
In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Prevent ubuf size overflow The ubuf size calculation may overflow, resulting in an undersized allocation and possible memory corruption. Use check_add_overflow() helpers to validate the size calculation before allocation.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: bd72d4acda1069579b35123e3cc0b21ec1193a21 , < 1500b31db94374a6669e73ce94d6f71cf8e85e06 (git)
Affected: bd72d4acda1069579b35123e3cc0b21ec1193a21 , < 972bf4a23478fcb247b4f507d47a584bc8aea5bd (git)
Affected: bd72d4acda1069579b35123e3cc0b21ec1193a21 , < 03808abb1d868aed7478a11a82e5bb4b3f1ca6d6 (git)
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Linux Linux Affected: 6.18
Unaffected: 0 , < 6.18 (semver)
Unaffected: 6.18.17 , ≤ 6.18.* (semver)
Unaffected: 6.19.7 , ≤ 6.19.* (semver)
Unaffected: 7.0 , ≤ * (original_commit_for_fix)
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      "title": "kernel: accel/amdxdna: Prevent ubuf size overflow",
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}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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