CVE-2026-43239
8.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | aa45dadd34e44fcd6a9df4b395bee5b5633b4cec < 93e8e3ee165ae4609a1222b516b573837103d2c3 | affected |
| Linux | Linux | aa45dadd34e44fcd6a9df4b395bee5b5633b4cec < ab6564f416a6eaf1199200b6100952407b438f7d | affected |
| Linux | Linux | aa45dadd34e44fcd6a9df4b395bee5b5633b4cec < 6287eefaf21ec805d42f941bd368018cf397a7f5 | affected |
| Linux | Linux | aa45dadd34e44fcd6a9df4b395bee5b5633b4cec < 76cc4faba0343c6db945b8dc75425b33d633e1b8 | affected |
| Linux | Linux | aa45dadd34e44fcd6a9df4b395bee5b5633b4cec < c3c06e42e1527716c54f3ad2ced6a034b5f3a489 | affected |
| Linux | Linux | 5.19 | affected |
| Linux | Linux | 0 < 5.19 | unaffected |
| Linux | Linux | 6.6.128 <= 6.6.* | unaffected |
| Linux | Linux | 6.12.75 <= 6.12.* | unaffected |
| Linux | Linux | 6.18.16 <= 6.18.* | unaffected |
| Linux | Linux | 6.19.6 <= 6.19.* | unaffected |
| Linux | Linux | 7.0 <= * | unaffected |
Weaknesses
References
- https://git.kernel.org/stable/c/93e8e3ee165ae4609a1222b516b573837103d2c3
- https://git.kernel.org/stable/c/ab6564f416a6eaf1199200b6100952407b438f7d
- https://git.kernel.org/stable/c/6287eefaf21ec805d42f941bd368018cf397a7f5
- https://git.kernel.org/stable/c/76cc4faba0343c6db945b8dc75425b33d633e1b8
- https://git.kernel.org/stable/c/c3c06e42e1527716c54f3ad2ced6a034b5f3a489
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