net/smc: check v2_ext_offset/eid_cnt/ism_gid_cnt when receiving proposal msg (Linux Linux)

CVE-2024-49568
CRITICAL 9.8

En bref

Source
NVD
EPSS
EPSS 0.57 % · centile 47 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
Linux
Statut NVD
Modified

Description

In the Linux kernel, the following vulnerability has been resolved: net/smc: check v2_ext_offset/eid_cnt/ism_gid_cnt when receiving proposal msg When receiving proposal msg in server, the fields v2_ext_offset/ eid_cnt/ism_gid_cnt in proposal msg are from the remote client and can not be fully trusted. Especially the field v2_ext_offset, once exceed the max value, there has the chance to access wrong address, and crash may happen. This patch checks the fields v2_ext_offset/eid_cnt/ism_gid_cnt before using them.

Références

Scores

VersionScoreVecteurÉvalué par
CVSS 3.1CRITICAL 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HLinux
CVSS 3.1CRITICAL 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HNVD · 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary)
CVSS 3.1MEDIUM 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HNVD · nvd@nist.gov (Primary)

Références européennes

Avis du CERT-FR

Configurations affectées (CPE NVD)

Produits affectés

ProduitVersions
Linux · Linuxaffected 8c3dca341aea885249e08856c4380300b75d2cf5 < 9cc0170ae646876aa5de2f0cad3066ce53e86f27 ; affected 8c3dca341aea885249e08856c4380300b75d2cf5 < 49798283fce4c1a24fb1ba4c7c39127739535571 ; affected 8c3dca341aea885249e08856c4380300b75d2cf5 < 690b9a8db9460d065785548e43fd6a02d247c1b7 ; affected 8c3dca341aea885249e08856c4380300b75d2cf5 < 295a92e3df32e72aff0f4bc25c310e349d07ffbf ; affected 8c3dca341aea885249e08856c4380300b75d2cf5 < 42f6beb2d5779429417b5f8115a4e3fa695d2a6c ; affected 8c3dca341aea885249e08856c4380300b75d2cf5 < 7863c9f3d24ba49dbead7e03dfbe40deb5888fdf
Linux · Linuxaffected 5.10 ; unaffected 0 < 5.10 ; unaffected 5.10.271 ≤ 5.10.* ; unaffected 5.15.222 ≤ 5.15.* ; unaffected 6.1.189 ≤ 6.1.* ; unaffected 6.6.68 ≤ 6.6.*

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