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 — vsock: Fix transport_* TOCTOU
AV AC PR UI S C I A CVSS EPSS %ile KEV
L H L N U N N H 4.7 .0012 2.3 —
AFFECTED
Product Versions Fixed
Linux c0cfa2d8a788fcf45df5bf4070ab2474c88d543a – —
Linux 5.5 – 5.10.240
TIMELINE
Apr 16 Reserved by Linux
Jul 25 Published (CNA: Linux)
Jul 30 RESCORED — CVE-2025-38461 (Linux). CVSS 7 → 4.7 (NVD).
Description
In the Linux kernel, the following vulnerability has been resolved:
vsock: Fix transport_* TOCTOU
Transport assignment may race with module unload. Protect new_transport
from becoming a stale pointer.
This also takes care of an insecure call in vsock_use_local_transport();
add a lockdep assert.
BUG: unable to handle page fault for address: fffffbfff8056000
Oops: Oops: 0000 [#1] SMP KASAN
RIP: 0010:vsock_assign_transport+0x366/0x600
Call Trace:
vsock_connect+0x59c/0xc40
__sys_connect+0xe8/0x100
__x64_sys_connect+0x6e/0xc0
do_syscall_64+0x92/0x1c0
entry_SYSCALL_64_after_hwframe+0x4b/0x53
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
| April 16, 2025 | Reserved | Reserved by Linux |
| July 25, 2025 | Published | Published (CNA: Linux) |
| July 30, 2026 | RESCORED | RESCORED — CVE-2025-38461 (Linux). CVSS 7 → 4.7 (NVD). |
Affected
Affected products and packages — 2 rows
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| Linux | Linux | — | c0cfa2d8a788fcf45df5bf4070ab2474c88d543a | — |
| Linux | Linux | — | 5.5 | 5.10.240 |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2025-38461 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.