VDB

GHSA-w7wm-xr7c-fp79

GHSA-w7wm-xr7c-fp79 PUBLISHED CVSS 7 HIGH

Record from GitHub Advisory Database · Published May 14, 2022

Race condition in the L2TPv3 IP Encapsulation feature in the Linux kernel before 4.8.14 allows local users to gain privileges or cause a denial of service (use-after-free) by making multiple bind system calls without properly ascertaining whether a socket has the SOCK_ZAPPED status, related to net/l2tp/l2tp_ip.c and net/l2tp/l2tp_ip6.c.

Risk scores

CVSS 3.0
7
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Timeline

  • May 14, 2022 CVE Published
  • Apr 9, 2026 Distribution Patch (4 in total, the first dated here)
  • Apr 9, 2026 Security Advisory (5 in total, the first dated here)

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln GHSA-w7wm-xr7c-fp79
vulnetix vdb fixes GHSA-w7wm-xr7c-fp79

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-w7wm-xr7c-fp79/fixes/registry"

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