ksmbd: fix type confusion via race condition when using ipc_msg_send_request (Linux Linux)

CVE-2025-21947
HIGH 8.1

En bref

Source
NVD
EPSS
EPSS 0.39 % · centile 33 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
Linux
Statut NVD
Modified

Description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix type confusion via race condition when using ipc_msg_send_request req->handle is allocated using ksmbd_acquire_id(&ipc_ida), based on ida_alloc. req->handle from ksmbd_ipc_login_request and FSCTL_PIPE_TRANSCEIVE ioctl can be same and it could lead to type confusion between messages, resulting in access to unexpected parts of memory after an incorrect delivery. ksmbd check type of ipc response but missing add continue to check next ipc reponse.

Faiblesses (CWE)

  • CWE-362 — Situation de compétition

Références

Scores

VersionScoreVecteurÉvalué par
CVSS 3.1HIGH 8.1CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:HLinux
CVSS 3.1MEDIUM 4.7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:HCISA-ADP
CVSS 3.1HIGH 8.1CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:HNVD · 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary)
CVSS 3.1MEDIUM 4.7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:HNVD · nvd@nist.gov (Primary)
CVSS 3.1MEDIUM 4.7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:HNVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Références européennes

Avis du CERT-FR

Configurations affectées (CPE NVD)

Produits affectés

ProduitVersions
Linux · Linuxaffected 0626e6641f6b467447c81dd7678a69c66f7746cf < 6321bbda4244b93802d61cfe0887883aae322f4b ; affected 0626e6641f6b467447c81dd7678a69c66f7746cf < 76861630b29e51373e73e7b00ad0d467b6941162 ; affected 0626e6641f6b467447c81dd7678a69c66f7746cf < 3cb2b2e41541fe6f9cc55ca22d4c0bd260498aea ; affected 0626e6641f6b467447c81dd7678a69c66f7746cf < 1e8833c03a38e1d5d5df6484e3f670a2fd38fb76 ; affected 0626e6641f6b467447c81dd7678a69c66f7746cf < e2ff19f0b7a30e03516e6eb73b948e27a55bc9d2
Linux · Linuxaffected 5.15 ; unaffected 0 < 5.15 ; unaffected 6.1.131 ≤ 6.1.* ; unaffected 6.6.83 ≤ 6.6.* ; unaffected 6.12.19 ≤ 6.12.* ; unaffected 6.13.7 ≤ 6.13.*

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD