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CVE-2026-46330

In the Linux kernel, the following vulnerability has been resolved: Revert "net/smc: Introduce TCP ULP support" This reverts commit d7cd421da9da2cc7b4d25b8537f66db5c8331c40. As reported by Al Viro, the TCP ULP support for SMC is fundamentally broken. The implementation attempts to convert an active TCP socket into an SMC socket by modifying the underlying `struct file`, dentry, and inode in-place, which violates core VFS invariants that assume these structures are immutable for an open file,
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:4f5d3eba225bb5a89a2a2e63541e5e8a1c954409eb96bc64f2c145cc84c2caa8
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":"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":"6c505d95c69e27dbf28fea29dc84d2498d69515c","status":"affected","version":"d7cd421da9da2cc7b4d25b8537f66db5c8331c40","versionType":"git"},{"lessThan":"df31a6b0a3057e66994ad6ccf5d95b9b9514f033","status":"affected","version":"d7cd421da9da2cc7b4d25b8537f66db5c8331c40","versionType":"git"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cb07a480b154b801806eee8caa0d00d27a080cc3ad89e637683fbdcfe93f1cdc · sha256:0c2c00cbd5dccfd4… · /containers/cna/affected/0

{"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":"5.17"},{"lessThan":"5.17","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.4","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cb07a480b154b801806eee8caa0d00d27a080cc3ad89e637683fbdcfe93f1cdc · sha256:0c2c00cbd5dccfd4… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"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":"6c505d95c69e27dbf28fea29dc84d2498d69515c","status":"affected","version":"d7cd421da9da2cc7b4d25b8537f66db5c8331c40","versionType":"git"},{"lessThan":"df31a6b0a3057e66994ad6ccf5d95b9b9514f033","status":"affected","version":"d7cd421da9da2cc7b4d25b8537f66db5c8331c40","versionType":"git"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cb07a480b154b801806eee8caa0d00d27a080cc3ad89e637683fbdcfe93f1cdc · sha256:0c2c00cbd5dccfd4… · /containers/cna/affected/0
{"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":"5.17"},{"lessThan":"5.17","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.4","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cb07a480b154b801806eee8caa0d00d27a080cc3ad89e637683fbdcfe93f1cdc · sha256:0c2c00cbd5dccfd4… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/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:cb07a480b154b801806eee8caa0d00d27a080cc3ad89e637683fbdcfe93f1cdc · sha256:0c2c00cbd5dccfd4… · /containers/cna/metrics/0/cvssV3_1

Source references

2 source assertions
{"url":"https://git.kernel.org/stable/c/6c505d95c69e27dbf28fea29dc84d2498d69515c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cb07a480b154b801806eee8caa0d00d27a080cc3ad89e637683fbdcfe93f1cdc · sha256:0c2c00cbd5dccfd4… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/df31a6b0a3057e66994ad6ccf5d95b9b9514f033"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cb07a480b154b801806eee8caa0d00d27a080cc3ad89e637683fbdcfe93f1cdc · sha256:0c2c00cbd5dccfd4… · /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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