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CVE-2026-64208

In the Linux kernel, the following vulnerability has been resolved: crypto/krb5, rxrpc: Fix lack of pre-decrypt/pre-verify length checks Change the krb5 crypto library to provide facilities to precheck the length of the message about to be decrypted or verified. Fix AF_RXRPC to make use of this to validate DATA packets secured with RxGK.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:0e378b83cf6a99a0ae1c1560472b88e4edf7a7b1318345ecbc312b8f30189997
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":["Documentation/crypto/krb5.rst","crypto/krb5/krb5_api.c","include/crypto/krb5.h","include/trace/events/rxrpc.h","net/rxrpc/rxgk.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.16"},{"lessThan":"6.16","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.34","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.11","versionType":"semver"}…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:53ec0fa1c3d795f360a365b9ad4eaa186c2e2cbe9896521dfab51092aa6e7115 · sha256:16c4273c9f312f98… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["Documentation/crypto/krb5.rst","crypto/krb5/krb5_api.c","include/crypto/krb5.h","include/trace/events/rxrpc.h","net/rxrpc/rxgk.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"585f9f6aef5c4542ac9d6ec45cd7dbc7df9af3ff","status":"affected","version":"9d1d2b59341f58126a69b51f9f5f8ccb9f12e54a","versionType":"git"},{"lessThan":"9217017f4bce53dddb8d547837f1f707045d64ad","status":"affected","version":"9d1d2b59341f58126a69b51f9f5f8ccb9f12e54a","versionType":"git"},{"l…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:53ec0fa1c3d795f360a365b9ad4eaa186c2e2cbe9896521dfab51092aa6e7115 · sha256:16c4273c9f312f98… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["Documentation/crypto/krb5.rst","crypto/krb5/krb5_api.c","include/crypto/krb5.h","include/trace/events/rxrpc.h","net/rxrpc/rxgk.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.16"},{"lessThan":"6.16","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.34","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.11","versionType":"semver"}…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:53ec0fa1c3d795f360a365b9ad4eaa186c2e2cbe9896521dfab51092aa6e7115 · sha256:16c4273c9f312f98… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["Documentation/crypto/krb5.rst","crypto/krb5/krb5_api.c","include/crypto/krb5.h","include/trace/events/rxrpc.h","net/rxrpc/rxgk.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"585f9f6aef5c4542ac9d6ec45cd7dbc7df9af3ff","status":"affected","version":"9d1d2b59341f58126a69b51f9f5f8ccb9f12e54a","versionType":"git"},{"lessThan":"9217017f4bce53dddb8d547837f1f707045d64ad","status":"affected","version":"9d1d2b59341f58126a69b51f9f5f8ccb9f12e54a","versionType":"git"},{"l…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:53ec0fa1c3d795f360a365b9ad4eaa186c2e2cbe9896521dfab51092aa6e7115 · sha256:16c4273c9f312f98… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":7.5,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:53ec0fa1c3d795f360a365b9ad4eaa186c2e2cbe9896521dfab51092aa6e7115 · sha256:16c4273c9f312f98… · /containers/cna/metrics/0/cvssV3_1

Source references

3 source assertions
{"url":"https://git.kernel.org/stable/c/2b50aceafe6606ea52ed42aadd1b4d44a188aade"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:53ec0fa1c3d795f360a365b9ad4eaa186c2e2cbe9896521dfab51092aa6e7115 · sha256:16c4273c9f312f98… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/585f9f6aef5c4542ac9d6ec45cd7dbc7df9af3ff"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:53ec0fa1c3d795f360a365b9ad4eaa186c2e2cbe9896521dfab51092aa6e7115 · sha256:16c4273c9f312f98… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/9217017f4bce53dddb8d547837f1f707045d64ad"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:53ec0fa1c3d795f360a365b9ad4eaa186c2e2cbe9896521dfab51092aa6e7115 · sha256:16c4273c9f312f98… · /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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