Vulnerability in Linux

CVE-2022-49997

In the Linux kernel, the following vulnerability has been resolved: net: lantiq_xrx200: restore buffer if memory allocation failed In a situation where memory allocation fails, an invalid buffer address is stored. When this descriptor is used again, the system panics in the build_skb() function when accessing memory.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.004 (35.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 35.6% 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-2022-49997: held from 0.004 to 0.004.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.001

Affected products

  • Linux — versions 70c8418469fb22a679fe5015ebe60fe15011ea43, 5.4.128, 7ea6cd16f1599c1eac6018751eadbc5fc736b99a
  • Linux Kernel — versions 5.13, 6.0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2022-49997?
CVE-2022-49997 is a high-severity vulnerability in Linux, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 7.5/10. Published 2025-06-18.
How severe is CVE-2022-49997?
High severity. CVSS v3 base score is 7.5 out of 10.