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CVE-2026-93161

crypto: qat - clear AES key schedule from stack

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 5.15.221, 6.1.188, 6.6.157, 6.12.110, 6.18.52, and 1 more
None on Exploit-DB, Metasploit or GitHub

Summary

In the Linux kernel, the following vulnerability has been resolved: crypto: qat - clear AES key schedule from stack qat_alg_xts_reverse_key() expands the forward XTS AES key on the stack. That schedule contains key material and can remain in the stack frame. Clear the temporary crypto_aes_ctx with memzero_explicit() after the copy.

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • Linux Linux

    From 5106dfeaeabea73d5132daab1d89d57b57fa98b7 · fixed in b9cf42622b30178f554fa74411eec67e02d70411; From 5106dfeaeabea73d5132daab1d89d57b57fa98b7 · fixed in fb1194b78a163cc56bb9480c707fc34b53522359; From 5106dfeaeabea73d5132daab1d89d57b57fa98b7 · fixed in 892f34dc1819cceb8841005a68086710ce3763b6; From 5106dfeaeabea73d5132daab1d89d57b57fa98b7 · fixed in dcaa0f1e86cbcb01f68131ae907b54cf299a3592; From 5106dfeaeabea73d5132daab1d89d57b57fa98b7 · fixed in 9af019e213ada5c3d0d33c515071a1414b6899f3; From 5106dfeaeabea73d5132daab1d89d57b57fa98b7 · fixed in 92e4979e1a770860b26aa3d90cce0c4c6a53833c; From 5106dfeaeabea73d5132daab1d89d57b57fa98b7 · fixed in d41a9fcfb7f9ee36e4a4aaf5e7996bca6be1e7a9

  • Linux Linux

    5.11

  • KernelLinux

    From 5.11.0 · fixed in 5.15.221; From 5.16.0 · fixed in 6.1.188; From 6.2.0 · fixed in 6.6.157; From 6.7.0 · fixed in 6.12.110; From 6.13.0 · fixed in 6.18.52; From 6.19.0 · fixed in 7.2.6

References 7

git.kernel.org