CVE-2022-33743

Advisory lineage Upstream: 0 Downstream: 22
Modified
Published: 05 Jul 2022, 12:50
Last modified:03 Aug 2024, 08:09

Vulnerability Summary

Overall Risk (default)
medium
31/100
CVSS Score
7.8 HIGH
v3.1 (nvd)
EPSS Score
0.11% LOW
0% probability +0.08%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

05 Jul 2022, 12:50
Published
Vulnerability first disclosed
03 Aug 2024, 08:09
Last Modified
Vulnerability information updated

Description

network backend may cause Linux netfront to use freed SKBs While adding logic to support XDP (eXpress Data Path), a code label was moved in a way allowing for SKBs having references (pointers) retained for further processing to nevertheless be freed.

CVSS Metrics

  • v3.1•HIGH•Score: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • v2.0•MEDIUM•Score: 4.6AV:L/AC:L/Au:N/C:P/I:P/A:P

EPSS Trends

Current EPSS score: 0.11%• Percentile: 29%

Affected Systems

  • debian•debian_linux

    11.0

  • linux•linux_kernel

    ≥ 5.9, ≤ 5.18

  • xen•xen

    na

References (4)