{"id":"CVE-2022-36946","title":"nfqnl_mangle in net/netfilter/nfnetlink_queue.c in the Linux kernel through 5.18.14 allows remote attackers to cause a denial of service (panic) because, in the case of an nf_queue verdict with a one-byte nfta_payload attribute, an skb_p…","summary":"nfqnl_mangle in net/netfilter/nfnetlink_queue.c in the Linux kernel through 5.18.14 allows remote attackers to cause a denial of service (panic) because, in the case of an nf_queue verdict with a one-byte nfta_payload attribute, an skb_p…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","vendor":"netapp","product":"active_iq_unified_manager","affected":["linux_kernel >= 2.6.14, < 4.9.326","linux_kernel >= 4.10, < 4.14.291","linux_kernel >= 4.15, < 4.19.255","linux_kernel >= 4.20, < 5.4.209","linux_kernel >= 5.5, < 5.10.135","linux_kernel >= 5.11, < 5.15.59","linux_kernel >= 5.16, < 5.18.16","debian_linux = 10.0","debian_linux = 11.0","active_iq_unified_manager","solidfire_&_hci_management_node","solidfire_&_hci_storage_node","solidfire_enterprise_sds","hci_compute_node"],"patched":["linux_kernel 5.18.16"],"published":"2022-07-27","updated":"2026-10-14","sourceUpdated":"2026-10-14T18:17:03.400","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2022-36946","references":[{"url":"https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=99a63d36cb3ed5ca3aa6fcb64cffbeaf3b0fb164","label":"cve@mitre.org"},{"url":"https://lists.debian.org/debian-lts-announce/2022/09/msg00011.html","label":"cve@mitre.org"},{"url":"https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html","label":"cve@mitre.org"},{"url":"https://marc.info/?l=netfilter-devel&m=165883202007292&w=2","label":"cve@mitre.org"},{"url":"https://security.netapp.com/advisory/ntap-20220901-0007/","label":"cve@mitre.org"},{"url":"https://www.debian.org/security/2022/dsa-5207","label":"cve@mitre.org"},{"url":"https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=99a63d36cb3ed5ca3aa6fcb64cffbeaf3b0fb164","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2022/09/msg00011.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://marc.info/?l=netfilter-devel&m=165883202007292&w=2","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20220901-0007/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2022/dsa-5207","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-419740.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-561322.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-794697.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-942865.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd","exploit-available"],"epss":0.0774,"epssPercentile":0.94546,"exploits":{"github":2,"githubRepos":["https://github.com/Pwnzer0tt1/CVE-2022-36946","https://github.com/Satheesh575555/linux-4.19.72_CVE-2022-36946"],"checkedAt":"2026-10-14T18:48:13.825Z"},"exploitAvailable":true,"ingestedAt":"2026-10-14T18:47:39.267Z","slug":"CVE-2022-36946","body":"## Overview\n\nnfqnl_mangle in net/netfilter/nfnetlink_queue.c in the Linux kernel through 5.18.14 allows remote attackers to cause a denial of service (panic) because, in the case of an nf_queue verdict with a one-byte nfta_payload attribute, an skb_pull can encounter a negative skb->len.\n\n## Affected\n\n- `linux_kernel >= 2.6.14, < 4.9.326`\n- `linux_kernel >= 4.10, < 4.14.291`\n- `linux_kernel >= 4.15, < 4.19.255`\n- `linux_kernel >= 4.20, < 5.4.209`\n- `linux_kernel >= 5.5, < 5.10.135`\n- `linux_kernel >= 5.11, < 5.15.59`\n- `linux_kernel >= 5.16, < 5.18.16`\n- `debian_linux = 10.0`\n- `debian_linux = 11.0`\n- `active_iq_unified_manager`\n- `solidfire_&_hci_management_node`\n- `solidfire_&_hci_storage_node`\n- `solidfire_enterprise_sds`\n- `hci_compute_node`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 5.18.16`","depth":"midnight","depthScore":55,"depthScoreParts":{"impact":41.3,"likelihood":1.5,"exploitation":12,"ransomware":0},"changes":[]}