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-2022-2905
n/a kernel — An out-of-bounds memory read flaw was found in the Linux kernel's BPF subsystem in how a user calls the bpf_tail_call function with a key…
AV AC PR UI S C I A CVSS EPSS %ile KEV
L L L N U H N N 5.5 .0037 28.8 —
AFFECTED
Product Versions Fixed
kernel Linux kernel 6.0-rc4 – —
TIMELINE
Aug 19 Reserved by redhat
Sep 9 Published (CNA: redhat)
Oct 14 ENRICHED — CVE-2022-2905 (kernel). Received CVSS 5.5 and CPE data from NVD.
Oct 14 EXPLOIT PUBLISHED — CVE-2022-2905 (kernel). Public exploit reference added.
Description
An out-of-bounds memory read flaw was found in the Linux kernel's BPF subsystem in how a user calls the bpf_tail_call function with a key larger than the max_entries of the map. This flaw allows a local user to gain unauthorized access to data.
Lifecycle
Complete event history — 4 events, chronological
| Date | Event | Detail |
|---|
| August 19, 2022 | Reserved | Reserved by redhat |
| September 9, 2022 | Published | Published (CNA: redhat) |
| October 14, 2026 | ENRICHED | ENRICHED — CVE-2022-2905 (kernel). Received CVSS 5.5 and CPE data from NVD. |
| October 14, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2022-2905 (kernel). Public exploit reference added. |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|
| n/a | kernel | — | Linux kernel 6.0-rc4 | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2022-2905 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.
