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CVE-2026-28529 (GCVE-0-2026-28529)

Vulnerability from cvelistv5 – Published: 2026-03-25 13:00 – Updated: 2026-07-14 18:39 X_Open Source
VLAI
Title
cryptodev-linux <= 1.14 get_userbuf Use After Free LPE
Summary
cryptodev-linux version 1.14 and prior contain a page reference handling flaw in the get_userbuf function of the /dev/crypto device driver that allows local users to trigger use-after-free conditions. Attackers with access to the /dev/crypto interface can repeatedly decrement reference counts of controlled pages to achieve local privilege escalation.
Severity
8.5 (High)
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-25 13:47 UTC
CWE
  • CWE-416 - Use After Free (CWE-416)
Assigner
References
Impacted products
Vendor Product Version CPE status
cryptodev-linux cryptodev-linux Affected: 0 , ≤ 1.14 (custom)
    cpe:2.3:a:cryptodev-linux:cryptodev-linux:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
nasm
Show details on NVD website
To clipboard 

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  • 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.
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  • 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.


Detection rules are retrieved from Rulezet.


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