ALPINE-CVE-2022-33743

Advisory lineage Upstream: 1 Downstream: 0
Upstream
CVE-2022-33743
Published: 05 Jul 2022, 13:15
Last modified:19 Nov 2025, 06:20

Vulnerability Summary

Overall Risk (default)
medium
31/100
CVSS Score
7.8 HIGH
3.1 (osv_alpine)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

05 Jul 2022, 13:15
Published
Vulnerability first disclosed
19 Nov 2025, 06:20
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

Affected Systems

  • alpine•xen

    < 4.15.4-r0 | < 4.15.4-r0

References (1)