Use After Free in Linux

CVE-2022-48964

In the Linux kernel, the following vulnerability has been resolved: ravb: Fix potential use-after-free in ravb_rx_gbeth() The skb is delivered to napi_gro_receive() which may free it, after calling this, dereferencing skb may trigger use-after-free.

Vulnerability class: Use-After-Free

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (22.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 22.0% 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-2022-48964: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

  • Linux — versions 1c59eb678cbd8d322d06d3a5514d36e8e1a4e84c, 5.16, 0
  • Linux Kernel — versions 6.1

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2022-48964?
CVE-2022-48964 is a high-severity vulnerability in Linux, classified under Use After Free. CVSS score: 8.8/10. Published 2024-10-21.
How severe is CVE-2022-48964?
High severity. CVSS v3 base score is 8.8 out of 10.