{"id":"CVE-2025-38420","title":"wifi: carl9170: do not ping device which has failed to load firmware","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: carl9170: do not ping device which has failed to load firmware\n\nSyzkaller reports [1, 2] crashes caused by an attempts to ping\nthe device which has failed to load…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= e4a668c59080f862af3ecc28b359533027cbe434 < 0140d3d37f0f1759d1fdedd854c7875a86e15f8d","Linux >= e4a668c59080f862af3ecc28b359533027cbe434 < 8a3734a6f4c05fd24605148f21fb2066690d61b3","Linux >= e4a668c59080f862af3ecc28b359533027cbe434 < 527fad1ae32ffa2d4853a1425fe1c8dbb8c9744c","Linux >= e4a668c59080f862af3ecc28b359533027cbe434 < bfeede26e97ce4a15a0b961118de4a0e28c9907a","Linux >= e4a668c59080f862af3ecc28b359533027cbe434 < 4e9ab5c48ad5153cc908dd29abad0cd2a92951e4","Linux >= e4a668c59080f862af3ecc28b359533027cbe434 < 301268dbaac8e9013719e162a000202eac8054be","Linux >= e4a668c59080f862af3ecc28b359533027cbe434 < 11ef72b3312752c2ff92f3c1e64912be3228ed36","Linux >= e4a668c59080f862af3ecc28b359533027cbe434 < 15d25307692312cec4b57052da73387f91a2e870","Linux 2.6.38"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-05T20:56:21.693137Z"},"published":"2025-07-25","updated":"2026-11-05","sourceUpdated":"2026-11-05T21:02:37.299Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-38420","references":[{"url":"https://git.kernel.org/stable/c/0140d3d37f0f1759d1fdedd854c7875a86e15f8d"},{"url":"https://git.kernel.org/stable/c/8a3734a6f4c05fd24605148f21fb2066690d61b3"},{"url":"https://git.kernel.org/stable/c/527fad1ae32ffa2d4853a1425fe1c8dbb8c9744c"},{"url":"https://git.kernel.org/stable/c/bfeede26e97ce4a15a0b961118de4a0e28c9907a"},{"url":"https://git.kernel.org/stable/c/4e9ab5c48ad5153cc908dd29abad0cd2a92951e4"},{"url":"https://git.kernel.org/stable/c/301268dbaac8e9013719e162a000202eac8054be"},{"url":"https://git.kernel.org/stable/c/11ef72b3312752c2ff92f3c1e64912be3228ed36"},{"url":"https://git.kernel.org/stable/c/15d25307692312cec4b57052da73387f91a2e870"}],"tags":["cve.org"],"epss":0.00208,"epssPercentile":0.11013,"ingestedAt":"2026-11-05T22:38:31.968Z","slug":"CVE-2025-38420","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nwifi: carl9170: do not ping device which has failed to load firmware\n\nSyzkaller reports [1, 2] crashes caused by an attempts to ping\nthe device which has failed to load firmware. Since such a device\ndoesn't pass 'ieee80211_register_hw()', an internal workqueue\nmanaged by 'ieee80211_queue_work()' is not yet created and an\nattempt to queue work on it causes null-ptr-deref.\n\n[1] https://syzkaller.appspot.com/bug?extid=9a4aec827829942045ff\n[2] https://syzkaller.appspot.com/bug?extid=0d8afba53e8fb2633217\n\n## Affected\n\n- `Linux >= e4a668c59080f862af3ecc28b359533027cbe434 < 0140d3d37f0f1759d1fdedd854c7875a86e15f8d`\n- `Linux >= e4a668c59080f862af3ecc28b359533027cbe434 < 8a3734a6f4c05fd24605148f21fb2066690d61b3`\n- `Linux >= e4a668c59080f862af3ecc28b359533027cbe434 < 527fad1ae32ffa2d4853a1425fe1c8dbb8c9744c`\n- `Linux >= e4a668c59080f862af3ecc28b359533027cbe434 < bfeede26e97ce4a15a0b961118de4a0e28c9907a`\n- `Linux >= e4a668c59080f862af3ecc28b359533027cbe434 < 4e9ab5c48ad5153cc908dd29abad0cd2a92951e4`\n- `Linux >= e4a668c59080f862af3ecc28b359533027cbe434 < 301268dbaac8e9013719e162a000202eac8054be`\n- `Linux >= e4a668c59080f862af3ecc28b359533027cbe434 < 11ef72b3312752c2ff92f3c1e64912be3228ed36`\n- `Linux >= e4a668c59080f862af3ecc28b359533027cbe434 < 15d25307692312cec4b57052da73387f91a2e870`\n- `Linux 2.6.38`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}