CVE-2026-93160
Published Sep 17, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: crypto: atmel-ecc - reject hardware ECDH without a public key The hardware ECDH path in atmel_ecdh_compute_shared_secret() uses the private key stored in the device. However, the public key is cached only after atmel_ecdh_set_secret() successfully generated that private key for the current tfm. atmel_ecdh_generate_public_key() already rejects requests when no public key is cached. Add the same check to atmel_ecdh_compute_shared_secret() to prevent the device from using a private key that was not generated for the current tfm.
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References
Other References
https://git.kernel.org/stable/c/2b40bab362d2b598f34e5ccd4694cedc3c2553d4
https://git.kernel.org/stable/c/33241f198287960bba5fc2251400896762650bfa
https://git.kernel.org/stable/c/3ea8b780d68f02fe235c5051ce8ac4b4940b9259
https://git.kernel.org/stable/c/5e33791dfcc6459e402a524669093cd953d5b2df
https://git.kernel.org/stable/c/6457162f74f45284ade2da644a4f0c54758ac0a6
https://git.kernel.org/stable/c/add28e9988902d29ea93f4869280b4a16a049ea5
https://git.kernel.org/stable/c/e64d6f1aae8c837cb3f0446bf44108226d7370f4
https://git.kernel.org/stable/c/f240f9b588f4e2de89822adebf560a96b5d263ed
Frequently Asked Questions
What is CVE-2026-93160? +
In the Linux kernel, the following vulnerability has been resolved:
crypto: atmel-ecc - reject hardware ECDH without a public key
The hardware ECDH path in atmel_ecdh_compute_shared_secret() uses the
private key stored in the device. However, the public key is cached only
after atmel_ecdh_set_secret() successfully generated that private key
for the current tfm.
atmel_ecdh_generate_public_key() already rejects requests when no public
key is cached. Add the same check to atmel_ecdh_compute_shared_secret()
to prevent the device from using a private key that was not generated
for the current tfm.
How do I check if I'm vulnerable to CVE-2026-93160? +
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.