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-2022-1012
n/a Kernel — A memory leak problem was found in the TCP source port generation algorithm in net/ipv4/tcp.c due to the small table perturb size.
AV AC PR UI S C I A CVSS EPSS %ile KEV
N L N N U L N H 8.2 .0432 91.1 —
AFFECTED
Product Versions Fixed
Kernel Linux kernel version prior to 5.18-rc6 – —
TIMELINE
Mar 17 Reserved by redhat
Aug 5 Published (CNA: redhat)
Oct 14 ENRICHED — CVE-2022-1012 (Kernel). Received CVSS 8.2 and CPE data from NVD.
Description
A memory leak problem was found in the TCP source port generation algorithm in net/ipv4/tcp.c due to the small table perturb size. This flaw may allow an attacker to information leak and may cause a denial of service problem.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
|---|
| March 17, 2022 | Reserved | Reserved by redhat |
| August 5, 2022 | Published | Published (CNA: redhat) |
| October 14, 2026 | ENRICHED | ENRICHED — CVE-2022-1012 (Kernel). Received CVSS 8.2 and CPE data from NVD. |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|
| n/a | Kernel | — | Linux kernel version prior to 5.18-rc6 | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2022-1012 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.
