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CVE-2026-10667

Zephyr's dynamic kernel-object tracking (kernel/userspace/userspace.c, formerly kernel/userspace.c) maintains a doubly-linked list (obj_list) of dynamically allocated kernel objects. Iteration over this list in k_object_wordlist_foreach() was performed under lists_lock using the SAFE iterator (which caches the next node), but list removal and freeing of nodes was performed under different, disjoint spinlocks: objfree_lock in k_object_free() and obj_lock in unref_check(). On an SMP system, while
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:bdb1a66b64d201cb173cf72faeb521df91dab58acbe801af99c468bcd6870ec4
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"collectionURL":"https://github.com/zephyrproject-rtos/zephyr","defaultStatus":"unaffected","packageName":"zephyr","product":"zephyr","programFiles":["kernel/userspace/userspace.c"],"vendor":"zephyrproject","versions":[{"lessThan":"4.5.0","status":"affected","version":"1.14.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:0d70c4bab86cd892cff03cfee55166cc93914737280fd263b83b0a5b845d55ac · sha256:985e9d5669b9007f… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:0d70c4bab86cd892cff03cfee55166cc93914737280fd263b83b0a5b845d55ac · sha256:985e9d5669b9007f… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-416","description":"use-after-free","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:0d70c4bab86cd892cff03cfee55166cc93914737280fd263b83b0a5b845d55ac · sha256:985e9d5669b9007f… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"Fix commit","tags":["patch"],"url":"https://github.com/zephyrproject-rtos/zephyr/commit/fdc42fa256b8c2a7b27790f032d5385f8058c4a9"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0d70c4bab86cd892cff03cfee55166cc93914737280fd263b83b0a5b845d55ac · sha256:985e9d5669b9007f… · /containers/cna/references/0
{"name":"GHSA-9x5j-h3rh-x579","url":"https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-9x5j-h3rh-x579"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0d70c4bab86cd892cff03cfee55166cc93914737280fd263b83b0a5b845d55ac · sha256:985e9d5669b9007f… · /containers/cna/references/1
{"tags":["exploit"],"url":"https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-9x5j-h3rh-x579"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0d70c4bab86cd892cff03cfee55166cc93914737280fd263b83b0a5b845d55ac · sha256:985e9d5669b9007f… · /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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