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CVE-2026-31637

In the Linux kernel, the following vulnerability has been resolved: rxrpc: reject undecryptable rxkad response tickets rxkad_decrypt_ticket() decrypts the RXKAD response ticket and then parses the buffer as plaintext without checking whether crypto_skcipher_decrypt() succeeded. A malformed RESPONSE can therefore use a non-block-aligned ticket length, make the decrypt operation fail, and still drive the ticket parser with attacker-controlled bytes. Check the decrypt result and abort the conne
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:6882fb56a99c8ccd2d51bed5141cacb197d08cc4769ec6800fb945c15c26e23c
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/rxrpc/rxkad.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"252157d939d179b5d767cb860ff8fa7f8723b67a","status":"affected","version":"17926a79320afa9b95df6b977b40cca6d8713cea","versionType":"git"},{"lessThan":"a75b3b361dd481d942c5f259a82d59718a41092c","status":"affected","version":"17926a79320afa9b95df6b977b40cca6d8713cea","versionType":"git"},{"lessThan":"b3a808cd0790b5075aaa2bc3588edf02cd71d352","status":"affected","version":"17926a79320afa9b95df6b977b40…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:54a36efa8cfe5080091b5484e68363befb72ae37b973a8691c521924305d0fe5 · sha256:0bb3141eb9573409… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["net/rxrpc/rxkad.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.22"},{"lessThan":"2.6.22","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.258","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.209","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.175","versionType":"semver"},{"lessTha…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:54a36efa8cfe5080091b5484e68363befb72ae37b973a8691c521924305d0fe5 · sha256:0bb3141eb9573409… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/rxrpc/rxkad.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"252157d939d179b5d767cb860ff8fa7f8723b67a","status":"affected","version":"17926a79320afa9b95df6b977b40cca6d8713cea","versionType":"git"},{"lessThan":"a75b3b361dd481d942c5f259a82d59718a41092c","status":"affected","version":"17926a79320afa9b95df6b977b40cca6d8713cea","versionType":"git"},{"lessThan":"b3a808cd0790b5075aaa2bc3588edf02cd71d352","status":"affected","version":"17926a79320afa9b95df6b977b40…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:54a36efa8cfe5080091b5484e68363befb72ae37b973a8691c521924305d0fe5 · sha256:0bb3141eb9573409… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["net/rxrpc/rxkad.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.22"},{"lessThan":"2.6.22","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.258","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.209","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.175","versionType":"semver"},{"lessTha…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:54a36efa8cfe5080091b5484e68363befb72ae37b973a8691c521924305d0fe5 · sha256:0bb3141eb9573409… · /containers/cna/affected/1

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:v2:54a36efa8cfe5080091b5484e68363befb72ae37b973a8691c521924305d0fe5 · sha256:0bb3141eb9573409… · /containers/cna/metrics/0/cvssV3_1

Source references

8 source assertions
{"url":"https://git.kernel.org/stable/c/22f6258e7b31dba9bf88dce4e3ee7f0f20072e60"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:54a36efa8cfe5080091b5484e68363befb72ae37b973a8691c521924305d0fe5 · sha256:0bb3141eb9573409… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/252157d939d179b5d767cb860ff8fa7f8723b67a"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:54a36efa8cfe5080091b5484e68363befb72ae37b973a8691c521924305d0fe5 · sha256:0bb3141eb9573409… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/47073aab8a3a5a7b41c9bd37d2a3dcbeeccd6c8a"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:54a36efa8cfe5080091b5484e68363befb72ae37b973a8691c521924305d0fe5 · sha256:0bb3141eb9573409… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/58fcd1b156152613ba00a064a129fb69507ddd7d"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:54a36efa8cfe5080091b5484e68363befb72ae37b973a8691c521924305d0fe5 · sha256:0bb3141eb9573409… · /containers/cna/references/6
{"url":"https://git.kernel.org/stable/c/a149dcae23309df9de1c3b6b5d468610ef5ab7de"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:54a36efa8cfe5080091b5484e68363befb72ae37b973a8691c521924305d0fe5 · sha256:0bb3141eb9573409… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/a75b3b361dd481d942c5f259a82d59718a41092c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:54a36efa8cfe5080091b5484e68363befb72ae37b973a8691c521924305d0fe5 · sha256:0bb3141eb9573409… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/b3a808cd0790b5075aaa2bc3588edf02cd71d352"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:54a36efa8cfe5080091b5484e68363befb72ae37b973a8691c521924305d0fe5 · sha256:0bb3141eb9573409… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/fe4447cd95623b1cfacc15f280aab73a6d7340b2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:54a36efa8cfe5080091b5484e68363befb72ae37b973a8691c521924305d0fe5 · sha256:0bb3141eb9573409… · /containers/cna/references/7

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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