CVE-2026-23364High· 7.4▾ TwilightIn 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().
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 40.7 · likelihood 0.1 · exploitation 0
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Exploit-prediction probability, daily snapshots since Oct 15.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
0.4%
0.4% → 0.4%
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().
linux_kernel >= 5.15.1, < 6.1.167linux_kernel >= 6.2, < 6.6.130linux_kernel >= 6.7, < 6.12.78linux_kernel >= 6.13, < 6.18.19linux_kernel >= 6.19, < 6.19.7linux_kernel = 5.15linux_kernel = 7.0Upgrade past the affected range:
linux_kernel 6.19.7Connected by shared product, vendor, weakness, or advisory.
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