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Red Hat: CVE-2022-33743: network backend may cause Linux netfront to use freed SKBs (XSA-405) (Multiple Advisories)

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Red Hat: CVE-2022-33743: network backend may cause Linux netfront to use freed SKBs (XSA-405) (Multiple Advisories)

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:P/I:P/A:P)
Published
07/05/2022
Created
05/15/2023
Added
05/15/2023
Modified
11/27/2024

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.

Solution(s)

  • redhat-upgrade-kernel
  • redhat-upgrade-kernel-rt

References

  • CVE-2022-33743
  • RHSA-2023:2148
  • RHSA-2023:2458

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