CVE-2026-93161

Description

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.

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EPSS — Exploit Prediction

0.0021

Probability of exploitation

0.10%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

References

Other References

https://git.kernel.org/stable/c/892f34dc1819cceb8841005a68086710ce3763b6 https://git.kernel.org/stable/c/92e4979e1a770860b26aa3d90cce0c4c6a53833c https://git.kernel.org/stable/c/9af019e213ada5c3d0d33c515071a1414b6899f3 https://git.kernel.org/stable/c/b9cf42622b30178f554fa74411eec67e02d70411 https://git.kernel.org/stable/c/d41a9fcfb7f9ee36e4a4aaf5e7996bca6be1e7a9 https://git.kernel.org/stable/c/dcaa0f1e86cbcb01f68131ae907b54cf299a3592 https://git.kernel.org/stable/c/fb1194b78a163cc56bb9480c707fc34b53522359

Frequently Asked Questions

What is CVE-2026-93161? +

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.

How do I check if I'm vulnerable to CVE-2026-93161? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.