CVE-2026-43239
smb: client: prevent races in ->query_interfaces()
Vexday Risk Score
21Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 8.8EPSS 0.4%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
06 May 2026Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
In the Linux kernel, the following vulnerability has been resolved:
smb: client: prevent races in ->query_interfaces()
It was possible for two query interface works to be concurrently trying
to update the interfaces.
Prevent this by checking and updating iface_last_update under
iface_lock.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected products
Linux · LinuxWant to know if your infrastructure is exposed to this?
Talk to TrueHacking →References
https://git.kernel.org/stable/c/6287eefaf21ec805d42f941bd368018cf397a7f5https://git.kernel.org/stable/c/76cc4faba0343c6db945b8dc75425b33d633e1b8https://git.kernel.org/stable/c/93e8e3ee165ae4609a1222b516b573837103d2c3https://git.kernel.org/stable/c/ab6564f416a6eaf1199200b6100952407b438f7dhttps://git.kernel.org/stable/c/c3c06e42e1527716c54f3ad2ced6a034b5f3a489