CVE-2026-43239

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

8.8CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS

0.3% chance of exploitation in the next 30 days; higher than 19% of CVEs (scores of 2026-10-25)

CWE

CWE-362

Published

2026-05-06

Modified

2026-10-19

Record from

the NVD, synced 2026-10-21

Affected

• linux:linux_kernel

References

• https://git.kernel.org/stable/c/6287eefaf21ec805d42f941bd368018cf397a7f5
• https://git.kernel.org/stable/c/76cc4faba0343c6db945b8dc75425b33d633e1b8
• https://git.kernel.org/stable/c/93e8e3ee165ae4609a1222b516b573837103d2c3
• https://git.kernel.org/stable/c/ab6564f416a6eaf1199200b6100952407b438f7d
• https://git.kernel.org/stable/c/c3c06e42e1527716c54f3ad2ced6a034b5f3a489

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