CVE-2026-43239
HIGH severity · CVSS 8.8 · CWE-362
8.8CVSS HIGH
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionRequired
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/6287eefaf21ec805d42f941bd368018cf397a7f5 ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/6287eefaf21ec805d42f941bd368018cf397a7f5Patch
- https://git.kernel.org/stable/c/76cc4faba0343c6db945b8dc75425b33d633e1b8Patch
- https://git.kernel.org/stable/c/93e8e3ee165ae4609a1222b516b573837103d2c3Patch
- https://git.kernel.org/stable/c/ab6564f416a6eaf1199200b6100952407b438f7dPatch
- https://git.kernel.org/stable/c/c3c06e42e1527716c54f3ad2ced6a034b5f3a489Patch
- https://git.kernel.org/stable/c/de3c1653510d566a245cc54ac4bb9e50ebc5faa8