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.
AV AC PR UI S C I A CVSS EPSS %ile KEV L L L N U N N H 5.5 .0058 45.3 —
AFFECTED Product Versions Fixed Linux 0626e6641f6b467447c81dd7678a69c66f7746cf – — Linux 5.15 – 5.15.179
TIMELINE Dec 29 Reserved by Linux Feb 27 Published (CNA: Linux) Jul 30 RESCORED — CVE-2025-21748 (Linux). CVSS 9.8 → 5.5 (NVD).
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix integer overflows on 32 bit systems On 32bit systems the addition operations in ipc_msg_alloc() can potentially overflow leading to memory corruption. Add bounds checking using KSMBD_IPC_MAX_PAYLOAD to avoid overflow.
| Date | Event | Detail |
|---|---|---|
| December 29, 2024 | Reserved | Reserved by Linux |
| February 27, 2025 | Published | Published (CNA: Linux) |
| July 30, 2026 | RESCORED | RESCORED — CVE-2025-21748 (Linux). CVSS 9.8 → 5.5 (NVD). |
Authoritative record: CVE-2025-21748 at cve.org
Vendors: linux
Weaknesses: CWE-190
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2025-21748 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.