sctp: properly validate chunk size in sctp_sf_ootb() (Linux Linux)

CVE-2024-50299
HIGH 8.2

En bref

Source
NVD
EPSS
EPSS 0.62 % · centile 50 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
Linux
Statut NVD
Modified

Description

In the Linux kernel, the following vulnerability has been resolved: sctp: properly validate chunk size in sctp_sf_ootb() A size validation fix similar to that in Commit 50619dbf8db7 ("sctp: add size validation when walking chunks") is also required in sctp_sf_ootb() to address a crash reported by syzbot: BUG: KMSAN: uninit-value in sctp_sf_ootb+0x7f5/0xce0 net/sctp/sm_statefuns.c:3712 sctp_sf_ootb+0x7f5/0xce0 net/sctp/sm_statefuns.c:3712 sctp_do_sm+0x181/0x93d0 net/sctp/sm_sideeffect.c:1166 sctp_endpoint_bh_rcv+0xc38/0xf90 net/sctp/endpointola.c:407 sctp_inq_push+0x2ef/0x380 net/sctp/inqueue.c:88 sctp_rcv+0x3831/0x3b20 net/sctp/input.c:243 sctp4_rcv+0x42/0x50 net/sctp/protocol.c:1159 ip_protocol_deliver_rcu+0xb51/0x13d0 net/ipv4/ip_input.c:205 ip_local_deliver_finish+0x336/0x500 net/ipv4/ip_input.c:233

Faiblesses (CWE)

  • CWE-908 — Utilisation d'une ressource non initialisée

Références

Scores

VersionScoreVecteurÉvalué par
CVSS 3.1HIGH 8.2CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:HLinux
CVSS 3.1MEDIUM 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HCISA-ADP
CVSS 3.1HIGH 8.2CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/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)
CVSS 3.1MEDIUM 5.5CVSS:3.1/AV:L/AC:L/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 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 67b9a278b80f71ec62091ded97c6bcbea33b5ec3 ; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 9b5d42aeaf1a52f73b003a33da6deef7df34685f ; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 40b283ba76665437bc2ac72079c51b57b25bff9e ; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < a758aa6a773bb872196bcc3173171ef8996bddf0 ; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < bf9bff13225baf5f658577f7d985fc4933d79527 ; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < d3fb3cc83cf313e4f87063ce0f3fea76b071567b
Linux · Linuxaffected 2.6.12 ; unaffected 0 < 2.6.12 ; unaffected 4.19.324 ≤ 4.19.* ; unaffected 5.4.286 ≤ 5.4.* ; unaffected 5.10.230 ≤ 5.10.* ; unaffected 5.15.172 ≤ 5.15.*

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