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CVE-2026-43306

In the Linux kernel, the following vulnerability has been resolved: bpf: crypto: Use the correct destructor kfunc type With CONFIG_CFI enabled, the kernel strictly enforces that indirect function calls use a function pointer type that matches the target function. I ran into the following type mismatch when running BPF self-tests: CFI failure at bpf_obj_free_fields+0x190/0x238 (target: bpf_crypto_ctx_release+0x0/0x94; expected type: 0xa488ebfc) Internal error: Oops - CFI: 00000000f2008
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:19b4d64209b9495200a8e3b798de904dec7b5ffd5b4509cf52767a431ecb69e3
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":["kernel/bpf/crypto.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.10"},{"lessThan":"6.10","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.75","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.16","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.6","versionType":"semver"},{"lessThanOrE…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3890ad54fc4930659a6986020384e2382d2f2ee8bf511cdb7d577693821f2ac7 · sha256:dd63f371b1b49d9f… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["kernel/bpf/crypto.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"4e3e57dbf46dad3498f8c4219ce2dba756875962","status":"affected","version":"3e1c6f35409f9e447bf37f64840f5b65576bfb78","versionType":"git"},{"lessThan":"50d6fd69388cc7b05dce72f09080674dcede4ac9","status":"affected","version":"3e1c6f35409f9e447bf37f64840f5b65576bfb78","versionType":"git"},{"lessThan":"3979a550fe06b370d73647f59cf462fa525c9ec4","status":"affected","version":"3e1c6f35409f9e447bf37f6484…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3890ad54fc4930659a6986020384e2382d2f2ee8bf511cdb7d577693821f2ac7 · sha256:dd63f371b1b49d9f… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["kernel/bpf/crypto.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.10"},{"lessThan":"6.10","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.75","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.16","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.6","versionType":"semver"},{"lessThanOrE…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3890ad54fc4930659a6986020384e2382d2f2ee8bf511cdb7d577693821f2ac7 · sha256:dd63f371b1b49d9f… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["kernel/bpf/crypto.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"4e3e57dbf46dad3498f8c4219ce2dba756875962","status":"affected","version":"3e1c6f35409f9e447bf37f64840f5b65576bfb78","versionType":"git"},{"lessThan":"50d6fd69388cc7b05dce72f09080674dcede4ac9","status":"affected","version":"3e1c6f35409f9e447bf37f64840f5b65576bfb78","versionType":"git"},{"lessThan":"3979a550fe06b370d73647f59cf462fa525c9ec4","status":"affected","version":"3e1c6f35409f9e447bf37f6484…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3890ad54fc4930659a6986020384e2382d2f2ee8bf511cdb7d577693821f2ac7 · sha256:dd63f371b1b49d9f… · /containers/cna/affected/0

Source references

4 source assertions
{"url":"https://git.kernel.org/stable/c/3979a550fe06b370d73647f59cf462fa525c9ec4"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3890ad54fc4930659a6986020384e2382d2f2ee8bf511cdb7d577693821f2ac7 · sha256:dd63f371b1b49d9f… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/4e3e57dbf46dad3498f8c4219ce2dba756875962"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3890ad54fc4930659a6986020384e2382d2f2ee8bf511cdb7d577693821f2ac7 · sha256:dd63f371b1b49d9f… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/50d6fd69388cc7b05dce72f09080674dcede4ac9"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3890ad54fc4930659a6986020384e2382d2f2ee8bf511cdb7d577693821f2ac7 · sha256:dd63f371b1b49d9f… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/b40a5d724f29fc2eed23ff353808a9aae616b48a"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3890ad54fc4930659a6986020384e2382d2f2ee8bf511cdb7d577693821f2ac7 · sha256:dd63f371b1b49d9f… · /containers/cna/references/3

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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