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CVE-2026-43457

In the Linux kernel, the following vulnerability has been resolved: mctp: i2c: fix skb memory leak in receive path When 'midev->allow_rx' is false, the newly allocated skb isn't consumed by netif_rx(), it needs to free the skb directly.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:798e2a2dc5742eb8da70781f63d334938ccde65469f43e785e8d83f54d0a441a
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":["drivers/net/mctp/mctp-i2c.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"0fb2adbdd5c03e8c9ebcdc48afd414b2724c85eb","status":"affected","version":"f5b8abf9fc3dacd7529d363e26fe8230935d65f8","versionType":"git"},{"lessThan":"d7900a43b0a314a645ca0a2adf45928dbc7001f4","status":"affected","version":"f5b8abf9fc3dacd7529d363e26fe8230935d65f8","versionType":"git"},{"lessThan":"9f81be2ab9d8e4744871bfb3e868ef413413829f","status":"affected","version":"f5b8abf9fc3dacd752…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8e27e216a01feee73299937dd6b7882e3815a58246e7d5a358413c0e7f98d245 · sha256:86ad10d8543a2bad… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/mctp/mctp-i2c.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.18"},{"lessThan":"5.18","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.167","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.130","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.78","versionType":"semver"},{"less…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8e27e216a01feee73299937dd6b7882e3815a58246e7d5a358413c0e7f98d245 · sha256:86ad10d8543a2bad… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/mctp/mctp-i2c.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"0fb2adbdd5c03e8c9ebcdc48afd414b2724c85eb","status":"affected","version":"f5b8abf9fc3dacd7529d363e26fe8230935d65f8","versionType":"git"},{"lessThan":"d7900a43b0a314a645ca0a2adf45928dbc7001f4","status":"affected","version":"f5b8abf9fc3dacd7529d363e26fe8230935d65f8","versionType":"git"},{"lessThan":"9f81be2ab9d8e4744871bfb3e868ef413413829f","status":"affected","version":"f5b8abf9fc3dacd752…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8e27e216a01feee73299937dd6b7882e3815a58246e7d5a358413c0e7f98d245 · sha256:86ad10d8543a2bad… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/mctp/mctp-i2c.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.18"},{"lessThan":"5.18","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.167","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.130","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.78","versionType":"semver"},{"less…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8e27e216a01feee73299937dd6b7882e3815a58246e7d5a358413c0e7f98d245 · sha256:86ad10d8543a2bad… · /containers/cna/affected/1

Source references

6 source assertions
{"url":"https://git.kernel.org/stable/c/0fb2adbdd5c03e8c9ebcdc48afd414b2724c85eb"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8e27e216a01feee73299937dd6b7882e3815a58246e7d5a358413c0e7f98d245 · sha256:86ad10d8543a2bad… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/1b1be322342a6b0085bf6ee52235e5ac9834ec25"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8e27e216a01feee73299937dd6b7882e3815a58246e7d5a358413c0e7f98d245 · sha256:86ad10d8543a2bad… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/1ec54187e1aa40a4cfa2b265e9a311179f24b98d"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8e27e216a01feee73299937dd6b7882e3815a58246e7d5a358413c0e7f98d245 · sha256:86ad10d8543a2bad… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/9f81be2ab9d8e4744871bfb3e868ef413413829f"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8e27e216a01feee73299937dd6b7882e3815a58246e7d5a358413c0e7f98d245 · sha256:86ad10d8543a2bad… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/d7900a43b0a314a645ca0a2adf45928dbc7001f4"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8e27e216a01feee73299937dd6b7882e3815a58246e7d5a358413c0e7f98d245 · sha256:86ad10d8543a2bad… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/e3f5e0f22cfc2371e7471c9fd5b4da78f9df7c69"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8e27e216a01feee73299937dd6b7882e3815a58246e7d5a358413c0e7f98d245 · sha256:86ad10d8543a2bad… · /containers/cna/references/5

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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