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CVE-2026-98172

smb: client: fix smbd_connection leak on cifs_get_tcp_session() error

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

smb: client: fix smbd_connection leak on cifs_get_tcp_session() error

When an RDMA connection is successfully established via
smbd_get_connection() but cifs_get_tcp_session() later fails (e.g.
kthread_create() returns an error), the error path frees tcp_ses
without first destroying the smbd_connection.

Fix this by calling smbd_destroy() in the out_err cleanup path before
kfree(tcp_ses).  smbd_destroy() safely handles the case where
smbd_conn is NULL, so it can be called unconditionally.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerLinux
≫
Produkt Linux
Default Statusunaffected
Version 2f8946464b11822169b9f10c7cf58a2440b51d54
Version < 3164402c58940ff58a3cecdb026405f07b0253af
Status affected
Version 2f8946464b11822169b9f10c7cf58a2440b51d54
Version < e3344bb0ff5ec8a276f42239e140f5442841ef23
Status affected
Version 2f8946464b11822169b9f10c7cf58a2440b51d54
Version < 5c908e49d349266dff0c86dda6a05df0ff19b824
Status affected
Version 2f8946464b11822169b9f10c7cf58a2440b51d54
Version < 928edc4bd6a617caabeb575fc13c254d9df623c4
Status affected
Version 2f8946464b11822169b9f10c7cf58a2440b51d54
Version < b26a3fcf2f1c2cadba400290b639f01395db8fc8
Status affected
Version 2f8946464b11822169b9f10c7cf58a2440b51d54
Version < e75c96157d45e498970158c8f7373d90102e33b9
Status affected
HerstellerLinux
≫
Produkt Linux
Default Statusaffected
Version 4.16
Status affected
Version 0
Version < 4.16
Status unaffected
Version <= 6.1.*
Version 6.1.189
Status unaffected
Version <= 6.6.*
Version 6.6.158
Status unaffected
Version <= 6.12.*
Version 6.12.112
Status unaffected
Version <= 6.18.*
Version 6.18.54
Status unaffected
Version <= 7.2.*
Version 7.2.8
Status unaffected
Version <= *
Version 7.3-rc4
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 0.17% 0.06
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
Es wurden noch keine Informationen zu CWE veröffentlicht.
https://git.kernel.org/stable/c/3164402c58940ff58a3cecdb026405f07b0253af
https://git.kernel.org/stable/c/e3344bb0ff5ec8a276f42239e140f5442841ef23
https://git.kernel.org/stable/c/5c908e49d349266dff0c86dda6a05df0ff19b824
https://git.kernel.org/stable/c/928edc4bd6a617caabeb575fc13c254d9df623c4
https://git.kernel.org/stable/c/b26a3fcf2f1c2cadba400290b639f01395db8fc8
https://git.kernel.org/stable/c/e75c96157d45e498970158c8f7373d90102e33b9