{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-43440", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-01T14:12:56.009Z", "datePublished": "2026-05-08T14:22:09.334Z", "dateUpdated": "2026-05-08T14:22:09.334Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-08T14:22:09.334Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mana: Null service_wq on setup error to prevent double destroy\n\nIn mana_gd_setup() error path, set gc->service_wq to NULL after\ndestroy_workqueue() to match the cleanup in mana_gd_cleanup().\nThis prevents a use-after-free if the workqueue pointer is checked\nafter a failed setup."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ethernet/microsoft/mana/gdma_main.c"], "versions": [{"version": "fa3c2f8d9152344a478abb847081c1b5f84a94f5", "lessThan": "59489ce60d7412ed82fb1d8002faa3102dcd4916", "status": "affected", "versionType": "git"}, {"version": "a9a7c3203fdc4d4a8d8a7a3b1ed05d2bb4c6e77e", "lessThan": "6c92392602b451e3869f15ab685f8f650e942b13", "status": "affected", "versionType": "git"}, {"version": "f975a0955276579e2176a134366ed586071c7c6a", "lessThan": "87c2302813abc55c46485711a678e3c312b00666", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ethernet/microsoft/mana/gdma_main.c"], "versions": [{"version": "6.18.16", "lessThan": "6.18.19", "status": "affected", "versionType": "semver"}, {"version": "6.19.6", "lessThan": "6.19.9", "status": "affected", "versionType": "semver"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18.16", "versionEndExcluding": "6.18.19"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.19.6", "versionEndExcluding": "6.19.9"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/59489ce60d7412ed82fb1d8002faa3102dcd4916"}, {"url": "https://git.kernel.org/stable/c/6c92392602b451e3869f15ab685f8f650e942b13"}, {"url": "https://git.kernel.org/stable/c/87c2302813abc55c46485711a678e3c312b00666"}], "title": "net/mana: Null service_wq on setup error to prevent double destroy", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mana: Null service_wq on setup error to prevent double destroy\n\nIn mana_gd_setup() error path, set gc->service_wq to NULL after\ndestroy_workqueue() to match the cleanup in mana_gd_cleanup().\nThis prevents a use-after-free if the workqueue pointer is checked\nafter a failed setup."}], "id": "CVE-2026-43440", "lastModified": "2026-05-08T15:16:56.420", "metrics": {}, "published": "2026-05-08T15:16:56.420", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/59489ce60d7412ed82fb1d8002faa3102dcd4916"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6c92392602b451e3869f15ab685f8f650e942b13"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/87c2302813abc55c46485711a678e3c312b00666"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"created": "2026-05-08T17:00:16.208362+00:00", "updated": "2026-05-08T17:00:16.208374+00:00", "vendors": [], "weaknesses": ["CWE-416", "CWE-590"]}