VDB

DEBIAN-CVE-2022-49561

DEBIAN-CVE-2022-49561 PUBLISHED CVSS 5.5 MEDIUM

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: re-fetch conntrack after insertion In case the conntrack is clashing, insertion can free skb->_nfct and set skb->_nfct to the already-confirmed entry. This wasn't found before because the conntrack entry and the extension space used to free'd after an rcu grace period, plus the race needs events enabled to trigger.

Risk Scores

CVSS 3.1
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Products

VendorProductVersions
Debian:12linux0
Debian:13linux0
Debian:14linux0

Timeline

  • Feb 26, 2025 CVE Published
  • Oct 15, 2026 CVE Updated
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