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Fixed

LIN8-8461 : Security Advisory - linux - CVE-2017-17806

Created: Dec 29, 2017    Updated: Dec 3, 2018
Resolved Date: Jan 14, 2018
Found In Version: 8.0.0.24
Fix Version: 8.0.0.25
Severity: Standard
Applicable for: Wind River Linux 8
Component/s: Kernel

Description

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.

https://nvd.nist.gov/vuln/detail/CVE-2017-17806

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