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 H H H 7.8 .2191 97.5 —
AFFECTED Product Versions Fixed Linux c5049d2d73b2dc8e6bb64be633250bad1ae3d9ef – — Linux 5.17 – 6.1.52
TIMELINE Feb 20 Reserved by Linux Feb 21 Published (CNA: Linux) Aug 15 RESCORED — CVE-2023-52440 (Linux). CVSS 9.8 → 7.8 (NVD).
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix slub overflow in ksmbd_decode_ntlmssp_auth_blob() If authblob->SessionKey.Length is bigger than session key size(CIFS_KEY_SIZE), slub overflow can happen in key exchange codes. cifs_arc4_crypt copy to session key array from SessionKey from client.
| Date | Event | Detail |
|---|---|---|
| February 20, 2024 | Reserved | Reserved by Linux |
| February 21, 2024 | Published | Published (CNA: Linux) |
| August 15, 2026 | RESCORED | RESCORED — CVE-2023-52440 (Linux). CVSS 9.8 → 7.8 (NVD). |
Authoritative record: CVE-2023-52440 at cve.org
Vendors: linux
Weaknesses: CWE-119
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2023-52440 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.