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CVE-2026-64048

In the Linux kernel, the following vulnerability has been resolved: net/smc: reject CHID-0 ACCEPT that matches an empty ism_dev slot On the SMC-D client, slot 0 of ini->ism_dev[]/ini->ism_chid[] is reserved for an SMC-Dv1 device. smc_find_ism_v2_device_clnt() populates V2 entries starting at index 1, so when no V1 device is selected slot 0 is left in its kzalloc()'ed state with ism_dev[0] == NULL and ism_chid[0] == 0. smc_v2_determine_accepted_chid() then matches the peer's CHID against the a
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:27955ebc2c167858bd5d30d418d9b4eea265d0dd2f32879282725b65d82edf2b
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":["net/smc/af_smc.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.10"},{"lessThan":"5.10","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.175","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.142","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.92","versionType":"semver"},{"lessThanOrEqual…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:69189c9c33f4eb4ff26520b07e906db55608b6b9400fe9d0dabe25cb1c645407 · sha256:5a0ddeea93b13f57… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/smc/af_smc.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"6927cacf2b10d4fa80c1a2d407512ef9397c59c6","status":"affected","version":"a7c9c5f4af7f6098da68705fc5d86565d0728ef7","versionType":"git"},{"lessThan":"d38ba387244e5c5f7db3e11ea98bc2c7beccb0c0","status":"affected","version":"a7c9c5f4af7f6098da68705fc5d86565d0728ef7","versionType":"git"},{"lessThan":"53eb7bd09aace72fa17510d80e0caf5ca058c231","status":"affected","version":"a7c9c5f4af7f6098da68705fc5d86…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:69189c9c33f4eb4ff26520b07e906db55608b6b9400fe9d0dabe25cb1c645407 · sha256:5a0ddeea93b13f57… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["net/smc/af_smc.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.10"},{"lessThan":"5.10","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.175","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.142","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.92","versionType":"semver"},{"lessThanOrEqual…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:69189c9c33f4eb4ff26520b07e906db55608b6b9400fe9d0dabe25cb1c645407 · sha256:5a0ddeea93b13f57… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/smc/af_smc.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"6927cacf2b10d4fa80c1a2d407512ef9397c59c6","status":"affected","version":"a7c9c5f4af7f6098da68705fc5d86565d0728ef7","versionType":"git"},{"lessThan":"d38ba387244e5c5f7db3e11ea98bc2c7beccb0c0","status":"affected","version":"a7c9c5f4af7f6098da68705fc5d86565d0728ef7","versionType":"git"},{"lessThan":"53eb7bd09aace72fa17510d80e0caf5ca058c231","status":"affected","version":"a7c9c5f4af7f6098da68705fc5d86…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:69189c9c33f4eb4ff26520b07e906db55608b6b9400fe9d0dabe25cb1c645407 · sha256:5a0ddeea93b13f57… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":7.5,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:69189c9c33f4eb4ff26520b07e906db55608b6b9400fe9d0dabe25cb1c645407 · sha256:5a0ddeea93b13f57… · /containers/cna/metrics/0/cvssV3_1

Source references

6 source assertions
{"url":"https://git.kernel.org/stable/c/277740023def559a4a2ddc3e8e784ee37a0f16a9"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:69189c9c33f4eb4ff26520b07e906db55608b6b9400fe9d0dabe25cb1c645407 · sha256:5a0ddeea93b13f57… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/53eb7bd09aace72fa17510d80e0caf5ca058c231"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:69189c9c33f4eb4ff26520b07e906db55608b6b9400fe9d0dabe25cb1c645407 · sha256:5a0ddeea93b13f57… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/65edb3b0822cfe5041be8fbabebd57e2e5ad9f4e"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:69189c9c33f4eb4ff26520b07e906db55608b6b9400fe9d0dabe25cb1c645407 · sha256:5a0ddeea93b13f57… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/6927cacf2b10d4fa80c1a2d407512ef9397c59c6"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:69189c9c33f4eb4ff26520b07e906db55608b6b9400fe9d0dabe25cb1c645407 · sha256:5a0ddeea93b13f57… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/afa9036b8c9963947b487c36e332df6a42c96fcb"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:69189c9c33f4eb4ff26520b07e906db55608b6b9400fe9d0dabe25cb1c645407 · sha256:5a0ddeea93b13f57… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/d38ba387244e5c5f7db3e11ea98bc2c7beccb0c0"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:69189c9c33f4eb4ff26520b07e906db55608b6b9400fe9d0dabe25cb1c645407 · sha256:5a0ddeea93b13f57… · /containers/cna/references/1

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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