{"affected":[{"defaultStatus":"unaffected","product":"Linux","source":"CNA: Linux","vendor":"Linux","versions":[{"lessThan":"59489ce60d7412ed82fb1d8002faa3102dcd4916","status":"affected","version":"fa3c2f8d9152344a478abb847081c1b5f84a94f5","versionType":"git"},{"lessThan":"6c92392602b451e3869f15ab685f8f650e942b13","status":"affected","version":"a9a7c3203fdc4d4a8d8a7a3b1ed05d2bb4c6e77e","versionType":"git"},{"lessThan":"87c2302813abc55c46485711a678e3c312b00666","status":"affected","version":"f975a0955276579e2176a134366ed586071c7c6a","versionType":"git"}]},{"defaultStatus":"unaffected","product":"Linux","source":"CNA: Linux","vendor":"Linux","versions":[{"lessThan":"6.18.19","status":"affected","version":"6.18.16","versionType":"semver"},{"lessThan":"6.19.9","status":"affected","version":"6.19.6","versionType":"semver"}]}],"cveId":"CVE-2026-43440","cwes":[],"description":"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.","epss":{"date":"2026-11-06","percentile":0.02128,"score":0.00124},"exploits":[],"kev":null,"metrics":[],"modifiedAt":1793979774226,"publishedAt":1778250129334,"references":[{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/59489ce60d7412ed82fb1d8002faa3102dcd4916"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/6c92392602b451e3869f15ab685f8f650e942b13"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/87c2302813abc55c46485711a678e3c312b00666"}],"remediation":[],"revision":"6a0127534c98dbdbe0c3eb8c912418a8323a1805191300b55ed5cbae9e6ee63f","sources":[{"modifiedAt":1793979774226,"name":"CNA: Linux","retrievedAt":1793981709699,"url":"https://www.cve.org/CVERecord?id=CVE-2026-43440"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793981731372,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-43440"}],"ssvc":{"assessedAt":1793979528023,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"net/mana: Null service_wq on setup error to prevent double destroy","updatedAt":1793981731372}