Use After Free in Linux

CVE-2024-46696

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix potential UAF in nfsd4_cb_getattr_release Once we drop the delegation reference, the fields embedded in it are no longer safe to access. Do that last.

Vulnerability class: Use-After-Free

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (35.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 35.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2024-46696: held from 0.004 to 0.004.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

  • Linux — versions c5967721e1063648b0506481585ba7e2e49a075e, 6.9, 0
  • Linux Kernel — versions 6.11

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2024-46696?
CVE-2024-46696 is a critical-severity vulnerability in Linux, classified under Use After Free. CVSS score: 9.8/10. Published 2024-09-13.
How severe is CVE-2024-46696?
Critical severity. CVSS v3 base score is 9.8 out of 10.