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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. Prevent this by checking and updating iface_last_update under iface_lock.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:19859583c9949f05e18f46786d2dd2216fa76822f99605ba52487354e51a9ce1
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"affected","product":"Linux","programFiles":["fs/smb/client/smb2ops.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.19"},{"lessThan":"5.19","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.128","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.75","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.16","versionType":"semver"},{"lessTha…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:d61e97cb9fd60cbad220ecccf5e1d5e161332a76b1990647ea5d1ccfc1b75409 · sha256:cf8e295aa3a5b012… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/smb/client/smb2ops.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"93e8e3ee165ae4609a1222b516b573837103d2c3","status":"affected","version":"aa45dadd34e44fcd6a9df4b395bee5b5633b4cec","versionType":"git"},{"lessThan":"ab6564f416a6eaf1199200b6100952407b438f7d","status":"affected","version":"aa45dadd34e44fcd6a9df4b395bee5b5633b4cec","versionType":"git"},{"lessThan":"6287eefaf21ec805d42f941bd368018cf397a7f5","status":"affected","version":"aa45dadd34e44fcd6a9df4…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:d61e97cb9fd60cbad220ecccf5e1d5e161332a76b1990647ea5d1ccfc1b75409 · sha256:cf8e295aa3a5b012… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["fs/smb/client/smb2ops.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.19"},{"lessThan":"5.19","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.128","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.75","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.16","versionType":"semver"},{"lessTha…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:d61e97cb9fd60cbad220ecccf5e1d5e161332a76b1990647ea5d1ccfc1b75409 · sha256:cf8e295aa3a5b012… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/smb/client/smb2ops.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"93e8e3ee165ae4609a1222b516b573837103d2c3","status":"affected","version":"aa45dadd34e44fcd6a9df4b395bee5b5633b4cec","versionType":"git"},{"lessThan":"ab6564f416a6eaf1199200b6100952407b438f7d","status":"affected","version":"aa45dadd34e44fcd6a9df4b395bee5b5633b4cec","versionType":"git"},{"lessThan":"6287eefaf21ec805d42f941bd368018cf397a7f5","status":"affected","version":"aa45dadd34e44fcd6a9df4…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:d61e97cb9fd60cbad220ecccf5e1d5e161332a76b1990647ea5d1ccfc1b75409 · sha256:cf8e295aa3a5b012… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:d61e97cb9fd60cbad220ecccf5e1d5e161332a76b1990647ea5d1ccfc1b75409 · sha256:cf8e295aa3a5b012… · /containers/cna/metrics/0/cvssV3_1

Source references

5 source assertions
{"url":"https://git.kernel.org/stable/c/6287eefaf21ec805d42f941bd368018cf397a7f5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d61e97cb9fd60cbad220ecccf5e1d5e161332a76b1990647ea5d1ccfc1b75409 · sha256:cf8e295aa3a5b012… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/76cc4faba0343c6db945b8dc75425b33d633e1b8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d61e97cb9fd60cbad220ecccf5e1d5e161332a76b1990647ea5d1ccfc1b75409 · sha256:cf8e295aa3a5b012… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/93e8e3ee165ae4609a1222b516b573837103d2c3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d61e97cb9fd60cbad220ecccf5e1d5e161332a76b1990647ea5d1ccfc1b75409 · sha256:cf8e295aa3a5b012… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/ab6564f416a6eaf1199200b6100952407b438f7d"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d61e97cb9fd60cbad220ecccf5e1d5e161332a76b1990647ea5d1ccfc1b75409 · sha256:cf8e295aa3a5b012… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/c3c06e42e1527716c54f3ad2ced6a034b5f3a489"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d61e97cb9fd60cbad220ecccf5e1d5e161332a76b1990647ea5d1ccfc1b75409 · sha256:cf8e295aa3a5b012… · /containers/cna/references/4

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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