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

CVE-2022-3635

CVE-2022-3635HIGH

Linux Kernel IPsec idt77252.c tst_timer use after free

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   L   H   L   N  U  H  H  H    7.0   .0043   36.3     —

AFFECTED
  Product  Versions  Fixed
  Kernel   n/a –     —

TIMELINE
  Oct 21  Reserved by VulDB
  Oct 21  Published (CNA: VulDB)
  Oct 14  EXPLOIT PUBLISHED — CVE-2022-3635 (Linux Kernel). Public exploit reference added.
  Oct 14  RESCORED — CVE-2022-3635 (Linux Kernel). CVSS 5.5 → 7 (NVD).

CWE-362, CWE-119 · CNA: VulDB · CVSS v3.1 · 4 references · NVD status: Modified

Description

A vulnerability, which was classified as critical, has been found in Linux Kernel. Affected by this issue is the function tst_timer of the file drivers/atm/idt77252.c of the component IPsec. The manipulation leads to use after free. It is recommended to apply a patch to fix this issue. VDB-211934 is the identifier assigned to this vulnerability.

Lifecycle

Complete event history — 4 events, chronological
Date	Event	Detail
October 21, 2022	Reserved	Reserved by VulDB
October 21, 2022	Published	Published (CNA: VulDB)
October 14, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2022-3635 (Linux Kernel). Public exploit reference added.
October 14, 2026	RESCORED	RESCORED — CVE-2022-3635 (Linux Kernel). CVSS 5.5 → 7 (NVD).

Affected

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

Weaknesses

CWE-362 · CWE-119

References (4)

https://cert-portal.siemens.com/productcert/html/ssa-794697.html
https://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next.git/commit/?id=3f4093e2bf4673f218c0bf17d8362337c400e77b [Exploit, Mailing List, Patch, Vendor Advisory]
https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html [Mailing List, Third Party Advisory]
https://vuldb.com/?id.211934 [Third Party Advisory]

Authoritative record: CVE-2022-3635 at cve.org

Vendors: linux

Weaknesses: CWE-362 · CWE-119

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2022-3635 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 Monday, October 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.