Riskcovery

CVE-2026-80871

crypto: xilinx-trng - Remove crypto_rng interface

State
Published
Severity
Not scored
Published
Sep 4, 2026
Updated
Sep 4, 2026
Reserved
Aug 26, 2026

Read the record on cve.org

Description

In 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.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • 8979744aca8096ee5072798dfc1181606919b35d to before 83f29da85dc9d9a32fe62cd1055e8e6705e6bf80Affected
  • 8979744aca8096ee5072798dfc1181606919b35d to before 9634db561e1594c151923f4950c012161c545c93Affected
  • 8979744aca8096ee5072798dfc1181606919b35d to before 32b4d29280ed2a991dc196d5845b892acedc63b8Affected
LinuxLinux
  • 6.18Affected
  • before 6.18Not affected
  • 6.18.40 through 6.18.*Not affected
  • 7.1.5 through 7.1.*Not affected
  • 7.2 and laterNot affected

References

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