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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.

PUBLISHED Reserved 2026-05-01 | Published 2026-05-06 | Updated 2026-05-08 | Assigner Linux




HIGH: 8.8CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Product status

Default status
unaffected

aa45dadd34e44fcd6a9df4b395bee5b5633b4cec (git) before 93e8e3ee165ae4609a1222b516b573837103d2c3
affected

aa45dadd34e44fcd6a9df4b395bee5b5633b4cec (git) before ab6564f416a6eaf1199200b6100952407b438f7d
affected

aa45dadd34e44fcd6a9df4b395bee5b5633b4cec (git) before 6287eefaf21ec805d42f941bd368018cf397a7f5
affected

aa45dadd34e44fcd6a9df4b395bee5b5633b4cec (git) before 76cc4faba0343c6db945b8dc75425b33d633e1b8
affected

aa45dadd34e44fcd6a9df4b395bee5b5633b4cec (git) before c3c06e42e1527716c54f3ad2ced6a034b5f3a489
affected

Default status
affected

5.19
affected

Any version before 5.19
unaffected

6.6.128 (semver)
unaffected

6.12.75 (semver)
unaffected

6.18.16 (semver)
unaffected

6.19.6 (semver)
unaffected

7.0 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/93e8e3ee165ae4609a1222b516b573837103d2c3

git.kernel.org/...c/ab6564f416a6eaf1199200b6100952407b438f7d

git.kernel.org/...c/6287eefaf21ec805d42f941bd368018cf397a7f5

git.kernel.org/...c/76cc4faba0343c6db945b8dc75425b33d633e1b8

git.kernel.org/...c/c3c06e42e1527716c54f3ad2ced6a034b5f3a489

cve.org (CVE-2026-43239)

nvd.nist.gov (CVE-2026-43239)

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