CVE-2026-43239

HIGH

smb: client: prevent races in ->query_interfaces()

Title source: cna
STIX 2.1

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 (5)

Core 5

Scores

CVSS v3 8.8
EPSS 0.0004
EPSS Percentile 13.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

Status published
Products (19)
Linux/Linux < 5.19
Linux/Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - 6287eefaf21ec805d42f941bd368018cf397a7f5
Linux/Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - 76cc4faba0343c6db945b8dc75425b33d633e1b8
Linux/Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - 93e8e3ee165ae4609a1222b516b573837103d2c3
Linux/Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - ab6564f416a6eaf1199200b6100952407b438f7d
Linux/Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - c3c06e42e1527716c54f3ad2ced6a034b5f3a489
Linux/Linux 5.19
Linux/Linux 6.12.75 - 6.12.*
Linux/Linux 6.18.16 - 6.18.*
Linux/Linux 6.19.6 - 6.19.*
... and 9 more
Published May 06, 2026
Tracked Since May 06, 2026