cve-2024-42098
Vulnerability from cvelistv5
Published
2024-07-29 17:39
Modified
2024-12-19 09:12
Severity ?
EPSS score ?
0.08% (0.19852)
Summary
In the Linux kernel, the following vulnerability has been resolved: crypto: ecdh - explicitly zeroize private_key private_key is overwritten with the key parameter passed in by the caller (if present), or alternatively a newly generated private key. However, it is possible that the caller provides a key (or the newly generated key) which is shorter than the previous key. In that scenario, some key material from the previous key would not be overwritten. The easiest solution is to explicitly zeroize the entire private_key array first. Note that this patch slightly changes the behavior of this function: previously, if the ecc_gen_privkey failed, the old private_key would remain. Now, the private_key is always zeroized. This behavior is consistent with the case where params.key is set and ecc_is_key_valid fails.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/39173b04abda87872b43c331468a4a14f8f05ce8
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/73e5984e540a76a2ee1868b91590c922da8c24c9
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/80575b252ab0358b7e93895b2a510beb3cb3f975
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d96187eb8e59b572a8e6a68b6a9837a867ea29df
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/fd7ef325911eba1b7191b83cb580463242f2090d
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/39173b04abda87872b43c331468a4a14f8f05ce8
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/73e5984e540a76a2ee1868b91590c922da8c24c9
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/80575b252ab0358b7e93895b2a510beb3cb3f975
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/d96187eb8e59b572a8e6a68b6a9837a867ea29df
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/fd7ef325911eba1b7191b83cb580463242f2090d
Impacted products
Vendor Product Version
Linux Linux Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
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