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CVE-2026-53246

In the Linux kernel, the following vulnerability has been resolved: sctp: validate cached peer INIT chunk length in COOKIE_ECHO processing When a listening SCTP server processes a COOKIE_ECHO chunk, the cached peer INIT chunk embedded after the cookie is parsed and its parameters are later walked by sctp_process_init() using sctp_walk_params(). However, the chunk header length of this cached INIT chunk was not validated against the remaining buffer in the COOKIE_ECHO payload. If the length fi
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:120e105cd0bf8e3ac953481bd26ff206d842bd34ddf4f834457f074601f85f9d
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/sctp/sm_make_chunk.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.12"},{"lessThan":"2.6.12","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.36","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.13","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:72f072f388cc0fe9d197337c3b2d0522efdc7f21fb338447002b7d1c2114acd5 · sha256:f22365c89702b894… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/sctp/sm_make_chunk.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"cc272185c9a9a4b7febc2de52eeaa3d00f19091e","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"edccbf3d63b0a3362bc916ea72edacc1e1ca456a","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"0861615c28de668669d748ef4eb913ea9262d13b","status":"affected","version":"1da177e4c3f41524e886b…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:72f072f388cc0fe9d197337c3b2d0522efdc7f21fb338447002b7d1c2114acd5 · sha256:f22365c89702b894… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["net/sctp/sm_make_chunk.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.12"},{"lessThan":"2.6.12","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.36","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.13","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:72f072f388cc0fe9d197337c3b2d0522efdc7f21fb338447002b7d1c2114acd5 · sha256:f22365c89702b894… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/sctp/sm_make_chunk.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"cc272185c9a9a4b7febc2de52eeaa3d00f19091e","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"edccbf3d63b0a3362bc916ea72edacc1e1ca456a","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"0861615c28de668669d748ef4eb913ea9262d13b","status":"affected","version":"1da177e4c3f41524e886b…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:72f072f388cc0fe9d197337c3b2d0522efdc7f21fb338447002b7d1c2114acd5 · sha256:f22365c89702b894… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":9.8,"baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/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:v2:72f072f388cc0fe9d197337c3b2d0522efdc7f21fb338447002b7d1c2114acd5 · sha256:f22365c89702b894… · /containers/cna/metrics/0/cvssV3_1

Source references

3 source assertions
{"url":"https://git.kernel.org/stable/c/0861615c28de668669d748ef4eb913ea9262d13b"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:72f072f388cc0fe9d197337c3b2d0522efdc7f21fb338447002b7d1c2114acd5 · sha256:f22365c89702b894… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/cc272185c9a9a4b7febc2de52eeaa3d00f19091e"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:72f072f388cc0fe9d197337c3b2d0522efdc7f21fb338447002b7d1c2114acd5 · sha256:f22365c89702b894… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/edccbf3d63b0a3362bc916ea72edacc1e1ca456a"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:72f072f388cc0fe9d197337c3b2d0522efdc7f21fb338447002b7d1c2114acd5 · sha256:f22365c89702b894… · /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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