CVE-2026-43239
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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.35%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 0.35% probability · 29th percentile
- CISA KEV
- Not listed
- Affected
- linux/linux kernel
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
References
- 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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.