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 — efi: libstub: only free priv.runtime_map when allocated
AV AC PR UI S C I A CVSS EPSS %ile KEV
L L L N U N N H 5.5 .0025 16.7 —
AFFECTED
Product Versions Fixed
Linux f80d26043af91ceb5036c478101c015edb9e7630 – —
Linux 6.1 – 6.1.93
TIMELINE
Jun 21 Reserved by Linux
Jun 21 Published (CNA: Linux)
Aug 4 RESCORED — CVE-2024-33619 (Linux). CVSS 7.8 → 5.5 (NVD).
Description
In the Linux kernel, the following vulnerability has been resolved:
efi: libstub: only free priv.runtime_map when allocated
priv.runtime_map is only allocated when efi_novamap is not set.
Otherwise, it is an uninitialized value. In the error path, it is freed
unconditionally. Avoid passing an uninitialized value to free_pool.
Free priv.runtime_map only when it was allocated.
This bug was discovered and resolved using Coverity Static Analysis
Security Testing (SAST) by Synopsys, Inc.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
| June 21, 2024 | Reserved | Reserved by Linux |
| June 21, 2024 | Published | Published (CNA: Linux) |
| August 4, 2026 | RESCORED | RESCORED — CVE-2024-33619 (Linux). CVSS 7.8 → 5.5 (NVD). |
Affected
Affected products and packages — 2 rows
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| Linux | Linux | — | f80d26043af91ceb5036c478101c015edb9e7630 | — |
| Linux | Linux | — | 6.1 | 6.1.93 |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2024-33619 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.