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CVE-2026-31696

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix missing validation of ticket length in non-XDR key preparsing In rxrpc_preparse(), there are two paths for parsing key payloads: the XDR path (for large payloads) and the non-XDR path (for payloads <= 28 bytes). While the XDR path (rxrpc_preparse_xdr_rxkad()) correctly validates the ticket length against AFSTOKEN_RK_TIX_MAX, the non-XDR path fails to do so. This allows an unprivileged user to provide a very large t
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:b631719532fda7e54b65cca5b2b0ecbf571b4de7e1021f73905751564efe2c88
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/key.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"44714dfda386884919ba366411880b6fb3c3efd3","status":"affected","version":"8a7a3eb4ddbe7c7e639170a64adede7cbd5a9247","versionType":"git"},{"lessThan":"41a117dd80371343babc52198d1114e83eb37627","status":"affected","version":"8a7a3eb4ddbe7c7e639170a64adede7cbd5a9247","versionType":"git"},{"lessThan":"9a397aa9b5e53ca63d4d6aefb542832eca389618","status":"affected","version":"8a7a3eb4ddbe7c7e639170a64adede…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e4487e942cbb64463e622b4f2838192c695162b2bd99a54ad2cac601340068c3 · sha256:f793d196d199e945… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["net/rxrpc/key.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.17"},{"lessThan":"3.17","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"},{"lessThanOrEqu…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e4487e942cbb64463e622b4f2838192c695162b2bd99a54ad2cac601340068c3 · sha256:f793d196d199e945… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/rxrpc/key.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"44714dfda386884919ba366411880b6fb3c3efd3","status":"affected","version":"8a7a3eb4ddbe7c7e639170a64adede7cbd5a9247","versionType":"git"},{"lessThan":"41a117dd80371343babc52198d1114e83eb37627","status":"affected","version":"8a7a3eb4ddbe7c7e639170a64adede7cbd5a9247","versionType":"git"},{"lessThan":"9a397aa9b5e53ca63d4d6aefb542832eca389618","status":"affected","version":"8a7a3eb4ddbe7c7e639170a64adede…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e4487e942cbb64463e622b4f2838192c695162b2bd99a54ad2cac601340068c3 · sha256:f793d196d199e945… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["net/rxrpc/key.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.17"},{"lessThan":"3.17","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"},{"lessThanOrEqu…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e4487e942cbb64463e622b4f2838192c695162b2bd99a54ad2cac601340068c3 · sha256:f793d196d199e945… · /containers/cna/affected/1

Source references

8 source assertions
{"url":"https://git.kernel.org/stable/c/1fa36cf495b0023e8475d038535c05e4063211e1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e4487e942cbb64463e622b4f2838192c695162b2bd99a54ad2cac601340068c3 · sha256:f793d196d199e945… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/41a117dd80371343babc52198d1114e83eb37627"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e4487e942cbb64463e622b4f2838192c695162b2bd99a54ad2cac601340068c3 · sha256:f793d196d199e945… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/4458757c020592a3094366e0fb20457383b42f92"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e4487e942cbb64463e622b4f2838192c695162b2bd99a54ad2cac601340068c3 · sha256:f793d196d199e945… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/44714dfda386884919ba366411880b6fb3c3efd3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e4487e942cbb64463e622b4f2838192c695162b2bd99a54ad2cac601340068c3 · sha256:f793d196d199e945… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/9a397aa9b5e53ca63d4d6aefb542832eca389618"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e4487e942cbb64463e622b4f2838192c695162b2bd99a54ad2cac601340068c3 · sha256:f793d196d199e945… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/a1be1c9ece26cea69654f28b255ff9a7906b897b"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e4487e942cbb64463e622b4f2838192c695162b2bd99a54ad2cac601340068c3 · sha256:f793d196d199e945… · /containers/cna/references/6
{"url":"https://git.kernel.org/stable/c/ac33733b10b484d666f97688561670afd5861383"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e4487e942cbb64463e622b4f2838192c695162b2bd99a54ad2cac601340068c3 · sha256:f793d196d199e945… · /containers/cna/references/7
{"url":"https://git.kernel.org/stable/c/ce383ba615339f8eaec646a166d2c2b015bb5ca0"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e4487e942cbb64463e622b4f2838192c695162b2bd99a54ad2cac601340068c3 · sha256:f793d196d199e945… · /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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