net: qrtr: ns: Limit the maximum server registration per node (Linux Linux)

CVE-2026-43491
MEDIUM 5.5

En bref

Source
NVD
EPSS
EPSS 0.15 % · centile 4 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
Linux
Statut NVD
Modified

Description

In the Linux kernel, the following vulnerability has been resolved: net: qrtr: ns: Limit the maximum server registration per node Current code does no bound checking on the number of servers added per node. A malicious client can flood NEW_SERVER messages and exhaust memory. Fix this issue by limiting the maximum number of server registrations to 256 per node. If the NEW_SERVER message is received for an old port, then don't restrict it as it will get replaced. While at it, also rate limit the error messages in the failure path of qrtr_ns_worker(). Note that the limit of 256 is chosen based on the current platform requirements. If requirement changes in the future, this limit can be increased.

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 0c2204a4ad710d95d348ea006f14ba926e842ffd < b48fc702b20233b809f01053232c3cd5083c97b4 ; affected 0c2204a4ad710d95d348ea006f14ba926e842ffd < 991c431077b19176d3fe3bb54054c063776a8cdc ; affected 0c2204a4ad710d95d348ea006f14ba926e842ffd < 94914731ca0b99899dceadd80d2df00584a688ca ; affected 0c2204a4ad710d95d348ea006f14ba926e842ffd < e6f6cd501fb54060940a6eb3f4103eeb5e426ae7 ; affected 0c2204a4ad710d95d348ea006f14ba926e842ffd < 3efaad55cad1ded429e3a873bfece389058a526b ; affected 0c2204a4ad710d95d348ea006f14ba926e842ffd < 35fb4a0c077c5d1049c2628b769e0a1b1e65df0d
Linux · Linuxaffected 5.7 ; unaffected 0 < 5.7 ; unaffected 5.10.265 ≤ 5.10.* ; unaffected 5.15.216 ≤ 5.15.* ; unaffected 6.1.183 ≤ 6.1.* ; unaffected 6.6.140 ≤ 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