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-2021-34693
n/a n/a — net/can/bcm.c in the Linux kernel through 5.12.10 allows local users to obtain sensitive information from kernel stack memory because par…
AV AC PR UI S C I A CVSS EPSS %ile KEV
L L L N U H N N 5.5 .0047 39.4 —
AFFECTED
Product Versions Fixed
n/a n/a – —
TIMELINE
Jun 14 Reserved by mitre
Jun 14 Published (CNA: mitre)
Oct 8 ENRICHED — CVE-2021-34693. Received CVSS 5.5 and CPE data from NVD.
Oct 8 EXPLOIT PUBLISHED — CVE-2021-34693. Public exploit reference added.
Description
net/can/bcm.c in the Linux kernel through 5.12.10 allows local users to obtain sensitive information from kernel stack memory because parts of a data structure are uninitialized.
Lifecycle
Complete event history — 4 events, chronological
| Date | Event | Detail |
|---|
| June 14, 2021 | Reserved | Reserved by mitre |
| June 14, 2021 | Published | Published (CNA: mitre) |
| October 8, 2026 | ENRICHED | ENRICHED — CVE-2021-34693. Received CVSS 5.5 and CPE data from NVD. |
| October 8, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2021-34693. Public exploit reference added. |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|
| n/a | n/a | — | n/a | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2021-34693 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.
