CVE-2022-1055 — Security Box Score

CVE · referencelatest edition

Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2022-1055HIGH

Linux Kernel — Use after Free in tc_new_tfilter allowing for privilege escalation in Linux Kernel

  AV  AC  AT  PR  UI  VC  VI  VA   CVSS    EPSS   %ile   KEV
   L   H   N   L   N   H   H   N    8.6   .0050   40.8     —

AFFECTED
  Product  Versions  Fixed
  Kernel   5.1.0 –   5.17.0

TIMELINE
  Mar 22  Reserved by Google
  Mar 29  Published (CNA: Google)
  Aug 13  EXPLOIT PUBLISHED — CVE-2022-1055 (Linux Kernel). Public exploit reference added.

CWE-416 · CNA: Google · CVSS v4.0 · 5 references · NVD status: Analyzed

Description

A use-after-free exists in the Linux Kernel in tc_new_tfilter that could allow a local attacker to gain privilege escalation. The exploit requires unprivileged user namespaces. We recommend upgrading past commit 04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
March 22, 2022	Reserved	Reserved by Google
March 29, 2022	Published	Published (CNA: Google)
August 13, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2022-1055 (Linux Kernel). Public exploit reference added.

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
Linux	Kernel	—	5.1.0	5.17.0

Weaknesses

CWE-416

References (5)

http://packetstormsecurity.com/files/167386/Kernel-Live-Patch-Security-Notice-LSN-0086-1.html [Third Party Advisory, VDB Entry]
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5 [Patch, Vendor Advisory]
https://kernel.dance/#04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5 [Exploit, Patch, Third Party Advisory]
https://security.netapp.com/advisory/ntap-20220506-0007/ [Third Party Advisory]
https://syzkaller.appspot.com/bug?id=2212474c958978ab86525fe6832ac8102c309ffc [Exploit, Patch, Third Party Advisory]

Authoritative record: CVE-2022-1055 at cve.org

Vendors: linux

Weaknesses: CWE-416

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2022-1055 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.