CVE-2024-58240critical

CVE-2024-58240: critical vulnerability in Linux

tls: separate no-async decryption request handling from async

Published · Updated

28Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 9.8epss 0.3%
exploitation probability
0.3%top 75% of all CVEs
observed exploitation
nono source reports it
In the Linux kernel, the following vulnerability has been resolved: tls: separate no-async decryption request handling from async If we're not doing async, the handling is much simpler. There's no reference counting, we just need to wait for the completion to wake us up and return its result. We should preferably also use a separate crypto_wait. I'm not seeing a UAF as I did in the past, I think aec7961916f3 ("tls: fix race between async notify and socket close") took care of it. This will make the next fix easier.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
Linux · Linux
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In the same product, most dangerous first.

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References
https://cert-portal.siemens.com/productcert/html/ssa-032379.htmlhttps://git.kernel.org/stable/c/41532b785e9d79636b3815a64ddf6a096647d011https://git.kernel.org/stable/c/48905146d11dbf1ddbb2967319016a83976953f5https://git.kernel.org/stable/c/5f7761c94b1db7570cab328c9f940a33284509b7https://git.kernel.org/stable/c/999115298017a675d8ddf61414fc7a85c89f1186https://git.kernel.org/stable/c/dec5b6e7b211e405d3bcb504562ab21aa7e5a64dhttps://git.kernel.org/stable/c/f32ab6cb544d01cdc150de5df389ac685aa507b0https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html