CVE-2026-43239

high

Description

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.

References

https://git.kernel.org/stable/c/c3c06e42e1527716c54f3ad2ced6a034b5f3a489

https://git.kernel.org/stable/c/ab6564f416a6eaf1199200b6100952407b438f7d

https://git.kernel.org/stable/c/93e8e3ee165ae4609a1222b516b573837103d2c3

https://git.kernel.org/stable/c/76cc4faba0343c6db945b8dc75425b33d633e1b8

https://git.kernel.org/stable/c/6287eefaf21ec805d42f941bd368018cf397a7f5

Details

Source: Mitre, NVD

Published: 2026-05-06

Updated: 2026-05-12

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 8.8

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

Severity: High

EPSS

EPSS: 0.00018