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.
Linux Linux — netfilter: nf_tables: release flow rule object from commit path
AV AC PR UI S C I A CVSS EPSS %ile KEV
L H L N U H H H 7.0 .0015 4.8 —
AFFECTED
Product Versions Fixed
Linux 5b8d63489c3b701eb2a76f848ec94d8cbc9373b9 – —
Linux 5.19 – 5.4.224
TIMELINE
May 1 Reserved by Linux
May 1 Published (CNA: Linux)
Aug 4 RESCORED — CVE-2022-49919 (Linux). CVSS 7.8 → 7 (NVD).
Description
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nf_tables: release flow rule object from commit path
No need to postpone this to the commit release path, since no packets
are walking over this object, this is accessed from control plane only.
This helped uncovered UAF triggered by races with the netlink notifier.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
| May 1, 2025 | Reserved | Reserved by Linux |
| May 1, 2025 | Published | Published (CNA: Linux) |
| August 4, 2026 | RESCORED | RESCORED — CVE-2022-49919 (Linux). CVSS 7.8 → 7 (NVD). |
Affected
Affected products and packages — 2 rows
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| Linux | Linux | — | 5b8d63489c3b701eb2a76f848ec94d8cbc9373b9 | — |
| Linux | Linux | — | 5.19 | 5.4.224 |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2022-49919 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.