{"id":"CVE-2025-38420","state":"PUBLISHED","title":"wifi: carl9170: do not ping device which has failed to load firmware","description":"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 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","publishedAt":"2025-07-25T14:16:41.479Z","updatedAt":"2026-05-11T21:27:38.460Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e4a668c59080f862af3ecc28b359533027cbe434","status":"affected","lessThan":"0140d3d37f0f1759d1fdedd854c7875a86e15f8d","versionType":"git"},{"version":"e4a668c59080f862af3ecc28b359533027cbe434","status":"affected","lessThan":"8a3734a6f4c05fd24605148f21fb2066690d61b3","versionType":"git"},{"version":"e4a668c59080f862af3ecc28b359533027cbe434","status":"affected","lessThan":"527fad1ae32ffa2d4853a1425fe1c8dbb8c9744c","versionType":"git"},{"version":"e4a668c59080f862af3ecc28b359533027cbe434","status":"affected","lessThan":"bfeede26e97ce4a15a0b961118de4a0e28c9907a","versionType":"git"},{"version":"e4a668c59080f862af3ecc28b359533027cbe434","status":"affected","lessThan":"4e9ab5c48ad5153cc908dd29abad0cd2a92951e4","versionType":"git"},{"version":"e4a668c59080f862af3ecc28b359533027cbe434","status":"affected","lessThan":"301268dbaac8e9013719e162a000202eac8054be","versionType":"git"},{"version":"e4a668c59080f862af3ecc28b359533027cbe434","status":"affected","lessThan":"11ef72b3312752c2ff92f3c1e64912be3228ed36","versionType":"git"},{"version":"e4a668c59080f862af3ecc28b359533027cbe434","status":"affected","lessThan":"15d25307692312cec4b57052da73387f91a2e870","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/ath/carl9170/usb.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.38","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.38","versionType":"semver"},{"version":"5.4.295","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.239","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.186","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.142","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.95","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.35","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.15.4","status":"unaffected","lessThanOrEqual":"6.15.*","versionType":"semver"},{"version":"6.16","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/ath/carl9170/usb.c"]}],"references":["https://git.kernel.org/stable/c/0140d3d37f0f1759d1fdedd854c7875a86e15f8d","https://git.kernel.org/stable/c/8a3734a6f4c05fd24605148f21fb2066690d61b3","https://git.kernel.org/stable/c/527fad1ae32ffa2d4853a1425fe1c8dbb8c9744c","https://git.kernel.org/stable/c/bfeede26e97ce4a15a0b961118de4a0e28c9907a","https://git.kernel.org/stable/c/4e9ab5c48ad5153cc908dd29abad0cd2a92951e4","https://git.kernel.org/stable/c/301268dbaac8e9013719e162a000202eac8054be","https://git.kernel.org/stable/c/11ef72b3312752c2ff92f3c1e64912be3228ed36","https://git.kernel.org/stable/c/15d25307692312cec4b57052da73387f91a2e870","https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html","https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:09.358Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/38xxx/CVE-2025-38420.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-38420","state":"PUBLISHED","datePublished":"2025-07-25T14:16:41.479Z","dateUpdated":"2026-05-11T21:27:38.460Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-04-16T04:51:24.014Z"},"containers":{"cna":{"title":"wifi: carl9170: do not ping device which has failed to load firmware","descriptions":[{"lang":"en","value":"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 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"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e4a668c59080f862af3ecc28b359533027cbe434","status":"affected","lessThan":"0140d3d37f0f1759d1fdedd854c7875a86e15f8d","versionType":"git"},{"version":"e4a668c59080f862af3ecc28b359533027cbe434","status":"affected","lessThan":"8a3734a6f4c05fd24605148f21fb2066690d61b3","versionType":"git"},{"version":"e4a668c59080f862af3ecc28b359533027cbe434","status":"affected","lessThan":"527fad1ae32ffa2d4853a1425fe1c8dbb8c9744c","versionType":"git"},{"version":"e4a668c59080f862af3ecc28b359533027cbe434","status":"affected","lessThan":"bfeede26e97ce4a15a0b961118de4a0e28c9907a","versionType":"git"},{"version":"e4a668c59080f862af3ecc28b359533027cbe434","status":"affected","lessThan":"4e9ab5c48ad5153cc908dd29abad0cd2a92951e4","versionType":"git"},{"version":"e4a668c59080f862af3ecc28b359533027cbe434","status":"affected","lessThan":"301268dbaac8e9013719e162a000202eac8054be","versionType":"git"},{"version":"e4a668c59080f862af3ecc28b359533027cbe434","status":"affected","lessThan":"11ef72b3312752c2ff92f3c1e64912be3228ed36","versionType":"git"},{"version":"e4a668c59080f862af3ecc28b359533027cbe434","status":"affected","lessThan":"15d25307692312cec4b57052da73387f91a2e870","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/ath/carl9170/usb.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.38","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.38","versionType":"semver"},{"version":"5.4.295","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.239","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.186","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.142","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.95","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.35","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.15.4","status":"unaffected","lessThanOrEqual":"6.15.*","versionType":"semver"},{"version":"6.16","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/ath/carl9170/usb.c"]}],"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"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:27:38.460Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.38","versionEndExcluding":"5.4.295"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.38","versionEndExcluding":"5.10.239"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.38","versionEndExcluding":"5.15.186"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.38","versionEndExcluding":"6.1.142"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.38","versionEndExcluding":"6.6.95"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.38","versionEndExcluding":"6.12.35"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.38","versionEndExcluding":"6.15.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.38","versionEndExcluding":"6.16"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CVE 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