crypto: aead,cipher - zeroize key buffer after use
In the Linux kernel, the following vulnerability has been resolved: crypto: aead,cipher - zeroize key buffer after use I.G 9.7.B for FIPS 140-3 specifies that variables temporarily holding cryptographic information should be zeroized once they are no longer needed. Accomplish this by using kfree_sensitive for buffers that previously held the private key.
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: crypto: aead,cipher - zeroize key buffer after use I.G 9.7.B for FIPS 140-3 specifies that variables temporarily holding cryptographic information should be zeroized once they are no longer needed. Accomplish this by using kfree_sensitive for buffers that previously held the private key.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/23e4099bdc3c8381992f9eb975c79196d6755210
- https://git.kernel.org/stable/c/28c8d274848feba552e95c5c2a7e3cfe8f15c534
- https://git.kernel.org/stable/c/71dd428615375e36523f4d4f7685ddd54113646d
- https://git.kernel.org/stable/c/89b9b6fa4463daf820e6a5ef65c3b0c2db239513
- https://git.kernel.org/stable/c/9db8c299a521813630fcb4154298cb60c37f3133
- https://git.kernel.org/stable/c/b502d4a08875ea2b4ea5d5b28dc7c991c8b90cfb
- https://git.kernel.org/stable/c/b716e9c3603ee95ed45e938fe47227d22cf3ec35
- https://git.kernel.org/stable/c/f58679996a831754a356974376f248aa0af2eb8e
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/42xxx/CVE-2024-42229.json
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
- https://nvd.nist.gov/vuln/detail/CVE-2024-42229