sctp: set sk_state back to CLOSED if autobind fails in sctp_listen_start (Linux Linux)

CVE-2024-49944
MEDIUM 5.5

En bref

Source
NVD
EPSS
EPSS 0.28 % · centile 20 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
Linux
Statut NVD
Modified

Description

In the Linux kernel, the following vulnerability has been resolved: sctp: set sk_state back to CLOSED if autobind fails in sctp_listen_start In sctp_listen_start() invoked by sctp_inet_listen(), it should set the sk_state back to CLOSED if sctp_autobind() fails due to whatever reason. Otherwise, next time when calling sctp_inet_listen(), if sctp_sk(sk)->reuse is already set via setsockopt(SCTP_REUSE_PORT), sctp_sk(sk)->bind_hash will be dereferenced as sk_state is LISTENING, which causes a crash as bind_hash is NULL. KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] RIP: 0010:sctp_inet_listen+0x7f0/0xa20 net/sctp/socket.c:8617 Call Trace: <TASK> __sys_listen_socket net/socket.c:1883 [inline] __sys_listen+0x1b7/0x230 net/socket.c:1894 __do_sys_listen net/socket.c:1902 [inline]

Références

Scores

VersionScoreVecteurÉvalué par
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 5e8f3f703ae4e4af65e2695e486b3cd198328863 < 89bbead9d897c77d0b566349c8643030ff2abeba ; affected 5e8f3f703ae4e4af65e2695e486b3cd198328863 < 0e4e2e60556c6ed00e8450b720f106a268d23062 ; affected 5e8f3f703ae4e4af65e2695e486b3cd198328863 < dd70c8a89ef99c3d53127fe19e51ef47c3f860fa ; affected 5e8f3f703ae4e4af65e2695e486b3cd198328863 < e7a8442195e8ebd97df467ce4742980ab57edcce ; affected 5e8f3f703ae4e4af65e2695e486b3cd198328863 < 9230a59eda0878d7ecaa901d876aec76f57bd455 ; affected 5e8f3f703ae4e4af65e2695e486b3cd198328863 < 7f64cb5b4d8c872296eda0fdce3bcf099eec7aa7
Linux · Linuxaffected 2.6.30 ; unaffected 0 < 2.6.30 ; unaffected 4.19.323 ≤ 4.19.* ; unaffected 5.4.285 ≤ 5.4.* ; unaffected 5.10.227 ≤ 5.10.* ; unaffected 5.15.168 ≤ 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