The HMAC implementation (crypto/hmac.c) in the Linux kernel before 4.14.8 does not validate that the underlying cryptographic hash algorithm is unkeyed, allowing a local attacker able to use the AF_ALG-based hash interface (CONFIG_CRYPTO_USER_API_HASH) and the SHA-3 hash algorithm (CONFIG_CRYPTO_SHA3) to cause a kernel stack buffer overflow by executing a crafted sequence of system calls that encounter a missing SHA-3 initialization.
Metrics
Affected Vendors & Products
References
History
No history.
MITRE
Status: PUBLISHED
Assigner: mitre
Published: 2017-12-20T23:00:00
Updated: 2024-08-05T20:59:17.961Z
Reserved: 2017-12-20T00:00:00
Link: CVE-2017-17806
Vulnrichment
No data.
NVD
Status : Modified
Published: 2017-12-20T23:29:00.377
Modified: 2024-11-21T03:18:42.750
Link: CVE-2017-17806
Redhat