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CVE-2026-31635

In the Linux kernel, the following vulnerability has been resolved: rxrpc: fix oversized RESPONSE authenticator length check rxgk_verify_response() decodes auth_len from the packet and is supposed to verify that it fits in the remaining bytes. The existing check is inverted, so oversized RESPONSE authenticators are accepted and passed to rxgk_decrypt_skb(), which can later reach skb_to_sgvec() with an impossible length and hit BUG_ON(len). Decoded from the original latest-net reproduction log
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:d1103fbf060916b0300681d156bd006d62d5c1a5694e4f53e415ac2bec2cb421
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/rxgk.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"beee051f259acd286fed64c32c2b31e6f5097eb5","status":"affected","version":"9d1d2b59341f58126a69b51f9f5f8ccb9f12e54a","versionType":"git"},{"lessThan":"e2f1a80d8b1ed6a5ae585a399c2b46500bdcc305","status":"affected","version":"9d1d2b59341f58126a69b51f9f5f8ccb9f12e54a","versionType":"git"},{"lessThan":"a2567217ade970ecc458144b6be469bc015b23e5","status":"affected","version":"9d1d2b59341f58126a69b51f9f5f8…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ae9d5456c77d70f209f1c0d46435220ba0355c608e354a48f0bf19ee0cef2914 · sha256:b414cc3bcf7c1b9c… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["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":"6.18.23","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.13","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ae9d5456c77d70f209f1c0d46435220ba0355c608e354a48f0bf19ee0cef2914 · sha256:b414cc3bcf7c1b9c… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/rxrpc/rxgk.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"beee051f259acd286fed64c32c2b31e6f5097eb5","status":"affected","version":"9d1d2b59341f58126a69b51f9f5f8ccb9f12e54a","versionType":"git"},{"lessThan":"e2f1a80d8b1ed6a5ae585a399c2b46500bdcc305","status":"affected","version":"9d1d2b59341f58126a69b51f9f5f8ccb9f12e54a","versionType":"git"},{"lessThan":"a2567217ade970ecc458144b6be469bc015b23e5","status":"affected","version":"9d1d2b59341f58126a69b51f9f5f8…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ae9d5456c77d70f209f1c0d46435220ba0355c608e354a48f0bf19ee0cef2914 · sha256:b414cc3bcf7c1b9c… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["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":"6.18.23","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.13","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ae9d5456c77d70f209f1c0d46435220ba0355c608e354a48f0bf19ee0cef2914 · sha256:b414cc3bcf7c1b9c… · /containers/cna/affected/1

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:ae9d5456c77d70f209f1c0d46435220ba0355c608e354a48f0bf19ee0cef2914 · sha256:b414cc3bcf7c1b9c… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-130","description":"CWE-130 Improper Handling of Length Parameter Inconsistency","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:ae9d5456c77d70f209f1c0d46435220ba0355c608e354a48f0bf19ee0cef2914 · sha256:b414cc3bcf7c1b9c… · /containers/adp/0/problemTypes/0/descriptions/0

Source references

4 source assertions
{"url":"https://git.kernel.org/stable/c/a2567217ade970ecc458144b6be469bc015b23e5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ae9d5456c77d70f209f1c0d46435220ba0355c608e354a48f0bf19ee0cef2914 · sha256:b414cc3bcf7c1b9c… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/beee051f259acd286fed64c32c2b31e6f5097eb5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ae9d5456c77d70f209f1c0d46435220ba0355c608e354a48f0bf19ee0cef2914 · sha256:b414cc3bcf7c1b9c… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/e2f1a80d8b1ed6a5ae585a399c2b46500bdcc305"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ae9d5456c77d70f209f1c0d46435220ba0355c608e354a48f0bf19ee0cef2914 · sha256:b414cc3bcf7c1b9c… · /containers/cna/references/1
{"tags":["exploit"],"url":"https://github.com/v12-security/pocs/tree/main/dirtydecrypt"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ae9d5456c77d70f209f1c0d46435220ba0355c608e354a48f0bf19ee0cef2914 · sha256:b414cc3bcf7c1b9c… · /containers/adp/0/references/0

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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