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).
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
| Date | Event | Detail |
| February 25, 2024 | Reserved | Reserved by Linux |
| February 27, 2024 | Published | Published (CNA: Linux) |
| August 4, 2026 | RESCORED | RESCORED — CVE-2021-46911 (Linux). CVSS 9.8 → 5.5 (NVD). |
Affected
Affected products and packages — 2 rows
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| Linux | Linux | — | 5a4b9fe7fece62ecab6fb28fe92362f83b41c33e | — |
| Linux | Linux | — | 5.7 | 5.10.32 |
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.