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CVE-2026-10646

Zephyr's BSD-sockets getaddrinfo() implementation (subsys/net/lib/sockets/getaddrinfo.c) passes a pointer to a stack-allocated state object (struct getaddrinfo_state ai_state) as the user_data of an asynchronous DNS resolver query. The socket layer waits on a semaphore with a timeout deliberately set slightly longer than the resolver's own per-query timeout. When that semaphore wait nonetheless times out (-EAGAIN) - which can occur when the resolver's timeout work is delayed by workqueue content
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:b0c611ed27e838cf4ff3e8ecc6741d3a1377cd0b459a1a7ab97afbf9f8e261ee
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":["include/zephyr/net/dns_resolve.h","subsys/net/lib/sockets/getaddrinfo.c"],"vendor":"zephyrproject","versions":[{"lessThan":"4.5.0","status":"affected","version":"4.0.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:bd9d0ee8b35ac01b9c96f7b7ca406f021f4aa3a07da9c42eafd173bf17ffe0fa · sha256:fff75e170a301763… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":7.4,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:bd9d0ee8b35ac01b9c96f7b7ca406f021f4aa3a07da9c42eafd173bf17ffe0fa · sha256:fff75e170a301763… · /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:bd9d0ee8b35ac01b9c96f7b7ca406f021f4aa3a07da9c42eafd173bf17ffe0fa · sha256:fff75e170a301763… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"name":"Fix commit","tags":["patch"],"url":"https://github.com/zephyrproject-rtos/zephyr/commit/cd27da58eedb8d0fe380dd340b81ca5afa35de45"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:bd9d0ee8b35ac01b9c96f7b7ca406f021f4aa3a07da9c42eafd173bf17ffe0fa · sha256:fff75e170a301763… · /containers/cna/references/0
{"name":"GHSA-h752-vhmf-29w6","url":"https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-h752-vhmf-29w6"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:bd9d0ee8b35ac01b9c96f7b7ca406f021f4aa3a07da9c42eafd173bf17ffe0fa · sha256:fff75e170a301763… · /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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