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CVE PROGRAM SOURCE RECORD8.8 High

CVE-2026-43239

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

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • aa45dadd34e44fcd6a9df4b395bee5b5633b4cec to < 93e8e3ee165ae4609a1222b516b573837103d2c3affected
  • aa45dadd34e44fcd6a9df4b395bee5b5633b4cec to < ab6564f416a6eaf1199200b6100952407b438f7daffected
  • aa45dadd34e44fcd6a9df4b395bee5b5633b4cec to < 6287eefaf21ec805d42f941bd368018cf397a7f5affected
  • aa45dadd34e44fcd6a9df4b395bee5b5633b4cec to < 76cc4faba0343c6db945b8dc75425b33d633e1b8affected
  • aa45dadd34e44fcd6a9df4b395bee5b5633b4cec to < c3c06e42e1527716c54f3ad2ced6a034b5f3a489affected

Linux Linux

Default version status: affected

  • 5.19affected
  • 0 to < 5.19unaffected
  • 6.6.128 to ≤ 6.6.*unaffected
  • 6.12.75 to ≤ 6.12.*unaffected
  • 6.18.16 to ≤ 6.18.*unaffected
  • 6.19.6 to ≤ 6.19.*unaffected
  • 7.0 to ≤ *unaffected

References