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Expired Pointer Dereference The advisory has been revoked - it doesn't affect any version of package rv  (opens in a new tab)

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0.17% (7th percentile)

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  • Snyk IDSNYK-CENTOS10-RV-17520816
  • published26 Jun 2026
  • disclosed25 Jun 2026
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Introduced: 25 Jun 2026

NewCVE-2026-53273  (opens in a new tab)
CWE-825  (opens in a new tab)

Amendment

The Centos security team deemed this advisory irrelevant for Centos:10.

NVD Description

Note: Versions mentioned in the description apply only to the upstream rv package and not the rv package as distributed by Centos.

In the Linux kernel, the following vulnerability has been resolved:

tee: optee: prevent use-after-free when the client exits before the supplicant

Commit 70b0d6b0a199 ("tee: optee: Fix supplicant wait loop") made the client wait as killable so it can be interrupted during shutdown or after a supplicant crash. This changes the original lifetime expectations: the client task can now terminate while the supplicant is still processing its request.

If the client exits first it removes the request from its queue and kfree()s it, while the request ID remains in supp->idr. A subsequent lookup on the supplicant path then dereferences freed memory, leading to a use-after-free.

Serialise access to the request with supp->mutex:

  • Hold supp->mutex in optee_supp_recv() and optee_supp_send() while looking up and touching the request.
  • Let optee_supp_thrd_req() notice that the client has terminated and signal optee_supp_send() accordingly.

With these changes the request cannot be freed while the supplicant still has a reference, eliminating the race.