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CVE-2026-43336

In the Linux kernel, the following vulnerability has been resolved: lib/crypto: chacha: Zeroize permuted_state before it leaves scope Since the ChaCha permutation is invertible, the local variable 'permuted_state' is sufficient to compute the original 'state', and thus the key, even after the permutation has been done. While the kernel is quite inconsistent about zeroizing secrets on the stack (and some prominent userspace crypto libraries don't bother at all since it's not guaranteed to work
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:01ade6e71dbca5ac122be3ee6fdf9837dce19b01bce8cef2cf30cd293a6d4739
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":["lib/crypto/chacha-block-generic.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.2"},{"lessThan":"4.2","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.253","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.203","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.169","versionType":"semver"}…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:48470141e77a693ba6e79cfca260ae4dec981525125ef958cf215dd64635b232 · sha256:3b5bcbfabf6f623c… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["lib/crypto/chacha-block-generic.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"e90ee961af515a484f091678ce58a4c3f7b73b02","status":"affected","version":"c08d0e647305c3f8f640010a56c9e4bafb9488d3","versionType":"git"},{"lessThan":"b416a4245f04a450c67a13e6d96056c37c5b33fe","status":"affected","version":"c08d0e647305c3f8f640010a56c9e4bafb9488d3","versionType":"git"},{"lessThan":"bd62d9b44464a6c20a34a74068e7a784d0afa04a","status":"affected","version":"c08d0e647305…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:48470141e77a693ba6e79cfca260ae4dec981525125ef958cf215dd64635b232 · sha256:3b5bcbfabf6f623c… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["lib/crypto/chacha-block-generic.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.2"},{"lessThan":"4.2","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.253","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.203","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.169","versionType":"semver"}…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:48470141e77a693ba6e79cfca260ae4dec981525125ef958cf215dd64635b232 · sha256:3b5bcbfabf6f623c… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["lib/crypto/chacha-block-generic.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"e90ee961af515a484f091678ce58a4c3f7b73b02","status":"affected","version":"c08d0e647305c3f8f640010a56c9e4bafb9488d3","versionType":"git"},{"lessThan":"b416a4245f04a450c67a13e6d96056c37c5b33fe","status":"affected","version":"c08d0e647305c3f8f640010a56c9e4bafb9488d3","versionType":"git"},{"lessThan":"bd62d9b44464a6c20a34a74068e7a784d0afa04a","status":"affected","version":"c08d0e647305…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:48470141e77a693ba6e79cfca260ae4dec981525125ef958cf215dd64635b232 · sha256:3b5bcbfabf6f623c… · /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:H/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:48470141e77a693ba6e79cfca260ae4dec981525125ef958cf215dd64635b232 · sha256:3b5bcbfabf6f623c… · /containers/cna/metrics/0/cvssV3_1

Source references

8 source assertions
{"url":"https://git.kernel.org/stable/c/066c760acead1fb743bae294dbd89f479ae43b9b"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:48470141e77a693ba6e79cfca260ae4dec981525125ef958cf215dd64635b232 · sha256:3b5bcbfabf6f623c… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/1933249263c3a98df79992f61a566476e4163bcc"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:48470141e77a693ba6e79cfca260ae4dec981525125ef958cf215dd64635b232 · sha256:3b5bcbfabf6f623c… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/1d761e5a7340c46479fb2399598f331e4fe2c633"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:48470141e77a693ba6e79cfca260ae4dec981525125ef958cf215dd64635b232 · sha256:3b5bcbfabf6f623c… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/91999af43ca2125e3b2c18fcfc02912ada02efc3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:48470141e77a693ba6e79cfca260ae4dec981525125ef958cf215dd64635b232 · sha256:3b5bcbfabf6f623c… · /containers/cna/references/6
{"url":"https://git.kernel.org/stable/c/b416a4245f04a450c67a13e6d96056c37c5b33fe"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:48470141e77a693ba6e79cfca260ae4dec981525125ef958cf215dd64635b232 · sha256:3b5bcbfabf6f623c… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/bd62d9b44464a6c20a34a74068e7a784d0afa04a"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:48470141e77a693ba6e79cfca260ae4dec981525125ef958cf215dd64635b232 · sha256:3b5bcbfabf6f623c… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/e5046823f8fa3677341b541a25af2fcb99a5b1e0"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:48470141e77a693ba6e79cfca260ae4dec981525125ef958cf215dd64635b232 · sha256:3b5bcbfabf6f623c… · /containers/cna/references/7
{"url":"https://git.kernel.org/stable/c/e90ee961af515a484f091678ce58a4c3f7b73b02"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:48470141e77a693ba6e79cfca260ae4dec981525125ef958cf215dd64635b232 · sha256:3b5bcbfabf6f623c… · /containers/cna/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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