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 — bpf: Fix remap of arena.
AV AC PR UI S C I A CVSS EPSS %ile KEV
L L L N U N N H 5.5 .0022 12.9 —
AFFECTED
Product Versions Fixed
Linux 317460317a02a1af512697e6e964298dedd8a163 – —
Linux 6.9 – 6.9.8
TIMELINE
Jul 29 Reserved by Linux
Jul 29 Published (CNA: Linux)
Aug 4 RESCORED — CVE-2024-42075 (Linux). CVSS 7.8 → 5.5 (NVD).
Description
In the Linux kernel, the following vulnerability has been resolved:
bpf: Fix remap of arena.
The bpf arena logic didn't account for mremap operation. Add a refcnt for
multiple mmap events to prevent use-after-free in arena_vm_close.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
| July 29, 2024 | Reserved | Reserved by Linux |
| July 29, 2024 | Published | Published (CNA: Linux) |
| August 4, 2026 | RESCORED | RESCORED — CVE-2024-42075 (Linux). CVSS 7.8 → 5.5 (NVD). |
Affected
Affected products and packages — 2 rows
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| Linux | Linux | — | 317460317a02a1af512697e6e964298dedd8a163 | — |
| Linux | Linux | — | 6.9 | 6.9.8 |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2024-42075 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.