boxscore/security
CVE · referencelatest edition

Reference page — cumulative record through Thursday, August 20, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2021-46911

Linux Linux — ch_ktls: Fix kernel panic
  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   L   L   L   N  U  N  N  H    5.5   .0059   45.9     —
AFFECTED
  Product  Versions                                    Fixed
  Linux    5a4b9fe7fece62ecab6fb28fe92362f83b41c33e –  —
  Linux    5.7 –                                       5.10.32
TIMELINE
  Feb 25  Reserved by Linux
  Feb 27  Published (CNA: Linux)
  Aug 4   RESCORED — CVE-2021-46911 (Linux). CVSS 9.8 → 5.5 (NVD).
CNA: Linux · CVSS v3.1 · 3 references · NVD status: Modified

Description

In the Linux kernel, the following vulnerability has been resolved: ch_ktls: Fix kernel panic Taking page refcount is not ideal and causes kernel panic sometimes. It's better to take tx_ctx lock for the complete skb transmit, to avoid page cleanup if ACK received in middle.

Lifecycle

Complete event history — 3 events, chronological
DateEventDetail
February 25, 2024ReservedReserved by Linux
February 27, 2024PublishedPublished (CNA: Linux)
August 4, 2026RESCOREDRESCORED — CVE-2021-46911 (Linux). CVSS 9.8 → 5.5 (NVD).

Affected

Affected products and packages — 2 rows
VendorProduct / PackageEcosystemVersion introducedFixed
LinuxLinux5a4b9fe7fece62ecab6fb28fe92362f83b41c33e
LinuxLinux5.75.10.32

References (3)

Related

Authoritative record: CVE-2021-46911 at cve.org

Vendors: linux

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2021-46911 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 Thursday, August 20, 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.