ksmbd: Compare MACs in constant time
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.4epss 0.4%
exploitation probability
0.4%top 67% of all CVEs
observed exploitation
nono source reports it
In the Linux kernel, the following vulnerability has been resolved:
ksmbd: Compare MACs in constant time
To prevent timing attacks, MAC comparisons need to be constant-time.
Replace the memcmp() with the correct function, crypto_memneq().
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Affected products
Linux · LinuxReferences
https://git.kernel.org/stable/c/2cdc56ed67615ba0921383a688f24415ebe065f3https://git.kernel.org/stable/c/307afccb751f542246bd5dc68a2c1ffe1a78418chttps://git.kernel.org/stable/c/8a665d733940592e671ec6afadcd0be80a091a80https://git.kernel.org/stable/c/93c0a22fec914ec4b697e464895a0f594e29fb28https://git.kernel.org/stable/c/c5794709bc9105935dbedef8b9cf9c06f2b559fahttps://git.kernel.org/stable/c/cd52a0e309659537048a864211abc3ea4c5caa63https://git.kernel.org/stable/c/f4588b85efd6007d46b80aa1b9fb746628ffb3dc