CVE-2024-38566

bpf: Fix verifier assumptions about socket->sk

Description

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix verifier assumptions about socket->sk The verifier assumes that 'sk' field in 'struct socket' is valid and non-NULL when 'socket' pointer itself is trusted and non-NULL. That may not be the case when socket was just created and passed to LSM socket_accept hook. Fix this verifier assumption and adjust tests.

N/A

CVSS

Severity:

EPSS 0.13%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/39f8a29330f433000e716eefc4b9abda05b71a82
https://git.kernel.org/stable/c/6f5ae91172a93abac9720ba94edf3ec8f4d7f24f
https://git.kernel.org/stable/c/c58ccdd2483a1d990748cdaf94206b5d5986a001
https://git.kernel.org/stable/c/0db63c0b86e981a1e97d2596d64ceceba1a5470e

Frequently Asked Questions

What is the severity of CVE-2024-38566?: CVE-2024-38566 has not yet been assigned a CVSS score.
How to fix CVE-2024-38566?: To fix CVE-2024-38566, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-38566 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2024-38566 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-38566?: CVE-2024-38566 affects Linux Linux, Linux Linux.

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