GHSA-xv49-pvqx-8xr6

GHSA-xv49-pvqx-8xr6 PUBLISHED CVSS 5.5 MEDIUM

Record from GitHub Advisory Database · Published December 5, 2022

A flaw was found in the Linux kernel Traffic Control (TC) subsystem. Using a specific networking configuration (redirecting egress packets to ingress using TC action "mirred") a local unprivileged user could trigger a CPU soft lockup (ABBA deadlock) when the transport protocol in use (TCP or SCTP) does a retransmission, resulting in a denial of service condition.

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

Timeline

Dec 5, 2022 CVE Published
Apr 10, 2026 Distribution Patch
Apr 10, 2026 Security Advisory (2 in total, the first dated here)

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln GHSA-xv49-pvqx-8xr6
vulnetix vdb fixes GHSA-xv49-pvqx-8xr6

Or with curl, using the org id and key from your account page:

curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/GHSA-xv49-pvqx-8xr6/fixes/registry"

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References

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