crypto: xilinx-trng - Remove crypto_rng interface

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Summary

CVECVE-2026-80871
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-04 17:16:59 UTC
Updated2026-09-04 17:16:59 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: crypto: xilinx-trng - Remove crypto_rng interface Implementing the crypto_rng interface has no purpose, as it isn't used in practice. It's being removed from other drivers too. Just remove it. This leaves hwrng, which is actually used. Tagging with 'Cc stable' due to the bugs that this removes: - xtrng_trng_generate() sometimes returned success even when it didn't fill in all the bytes. - It was possible for xtrng_trng_generate() and xtrng_hwrng_trng_read() to run concurrently and interfere with each other, as the locking code in xtrng_hwrng_trng_read() was broken.

Risk And Classification

EPSS: 0.001540000 probability, percentile 0.048780000 (date 2026-09-07)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 8979744aca8096ee5072798dfc1181606919b35d 83f29da85dc9d9a32fe62cd1055e8e6705e6bf80 git Not specified
CNA Linux Linux affected 8979744aca8096ee5072798dfc1181606919b35d 9634db561e1594c151923f4950c012161c545c93 git Not specified
CNA Linux Linux affected 8979744aca8096ee5072798dfc1181606919b35d 32b4d29280ed2a991dc196d5845b892acedc63b8 git Not specified
CNA Linux Linux affected 6.18 Not specified
CNA Linux Linux unaffected 6.18 semver Not specified
CNA Linux Linux unaffected 6.18.40 6.18.* semver Not specified
CNA Linux Linux unaffected 7.1.5 7.1.* semver Not specified
CNA Linux Linux unaffected 7.2 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/32b4d29280ed2a991dc196d5845b892acedc63b8 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/9634db561e1594c151923f4950c012161c545c93 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/83f29da85dc9d9a32fe62cd1055e8e6705e6bf80 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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