8.8

CVE-2026-31409

ksmbd: unset conn->binding on failed binding request

In the Linux kernel, the following vulnerability has been resolved:

ksmbd: unset conn->binding on failed binding request

When a multichannel SMB2_SESSION_SETUP request with
SMB2_SESSION_REQ_FLAG_BINDING fails ksmbd sets conn->binding = true
but never clears it on the error path. This leaves the connection in
a binding state where all subsequent ksmbd_session_lookup_all() calls
fall back to the global sessions table. This fix it by clearing
conn->binding = false in the error path.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerLinux
≫
Produkt Linux
Default Statusunaffected
Version f5a544e3bab78142207e0242d22442db85ba1eff
Version < d073870dab8f6dadced81d13d273ff0b21cb7f4e
Status affected
Version f5a544e3bab78142207e0242d22442db85ba1eff
Version < 6ebef4a220a1ebe345de899ebb9ae394206fe921
Status affected
Version f5a544e3bab78142207e0242d22442db85ba1eff
Version < 89afe5e2dbea6e9d8e5f11324149d06fa3a4efca
Status affected
Version f5a544e3bab78142207e0242d22442db85ba1eff
Version < 9feb2d1bf86d9e5e66b8565f37f8d3a7d281a772
Status affected
Version f5a544e3bab78142207e0242d22442db85ba1eff
Version < 6260fc85ed1298a71d24a75d01f8b2e56d489a60
Status affected
Version f5a544e3bab78142207e0242d22442db85ba1eff
Version < 282343cf8a4a5a3603b1cb0e17a7083e4a593b03
Status affected
HerstellerLinux
≫
Produkt Linux
Default Statusaffected
Version 5.15
Status affected
Version 0
Version < 5.15
Status unaffected
Version <= 6.1.*
Version 6.1.167
Status unaffected
Version <= 6.6.*
Version 6.6.130
Status unaffected
Version <= 6.12.*
Version 6.12.78
Status unaffected
Version <= 6.18.*
Version 6.18.20
Status unaffected
Version <= 6.19.*
Version 6.19.10
Status unaffected
Version <= *
Version 7.0
Status unaffected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.03% 0.102
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
416baaa9-dc9f-4396-8d5f-8c081fb06d67 8.8 2.8 5.9
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Es wurden noch keine Informationen zu CWE veröffentlicht.