CVE-2026-43239
smb: client: prevent races in ->query_interfaces()
CVSS Score
8.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | May 6, 2026 |
| Last Updated | May 11, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Linux / Linux
aa45dadd34e44fcd6a9df4b395bee5b5633b4cec < 93e8e3ee165ae4609a1222b516b573837103d2c3 aa45dadd34e44fcd6a9df4b395bee5b5633b4cec < ab6564f416a6eaf1199200b6100952407b438f7d aa45dadd34e44fcd6a9df4b395bee5b5633b4cec < 6287eefaf21ec805d42f941bd368018cf397a7f5 aa45dadd34e44fcd6a9df4b395bee5b5633b4cec < 76cc4faba0343c6db945b8dc75425b33d633e1b8 aa45dadd34e44fcd6a9df4b395bee5b5633b4cec < c3c06e42e1527716c54f3ad2ced6a034b5f3a489
Linux / Linux
5.19
References
git.kernel.org: https://git.kernel.org/stable/c/93e8e3ee165ae4609a1222b516b573837103d2c3 git.kernel.org: https://git.kernel.org/stable/c/ab6564f416a6eaf1199200b6100952407b438f7d git.kernel.org: https://git.kernel.org/stable/c/6287eefaf21ec805d42f941bd368018cf397a7f5 git.kernel.org: https://git.kernel.org/stable/c/76cc4faba0343c6db945b8dc75425b33d633e1b8 git.kernel.org: https://git.kernel.org/stable/c/c3c06e42e1527716c54f3ad2ced6a034b5f3a489