What is CVE-2024-40909?

CVE-2024-40909 is a high-severity vulnerability in Linux, classified under Use After Free. CVSS score: 7.8/10. Published 2024-07-12.

How severe is CVE-2024-40909?

High severity. CVSS v3 base score is 7.8 out of 10.

Use After Free in Linux

CVE-2024-40909

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix a potential use-after-free in bpf_link_free() After commit 1a80dbcb2dba, bpf_link can be freed by link->ops->dealloc_deferred, but the code still tests and uses…

Vulnerability class: Use-After-Free

EPSS: 0.003 (19.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Linux — versions 6.8.5, 876941f533e7b47fc69977fc4551c02f2d18af97, 1a80dbcb2dbaf6e4c216e62e30fa7d3daa8001ce
Linux Linux_kernel — versions 6.10

Weakness classification (CWE)

CWE-416 — Use After Free

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2024-40909?: CVE-2024-40909 is a high-severity vulnerability in Linux, classified under Use After Free. CVSS score: 7.8/10. Published 2024-07-12.
How severe is CVE-2024-40909?: High severity. CVSS v3 base score is 7.8 out of 10.