{"id":"CVE-2026-89514","title":"scsi: fnic: Use GFP_ATOMIC for VLAN alloc under spinlock","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: fnic: Use GFP_ATOMIC for VLAN alloc under spinlock\n\nfnic_fcoe_process_vlan_resp() allocates a VLAN descriptor with\nkzalloc_obj() (default GFP_KERNEL) while holdin…","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cvssSource":"vendor","cwe":["CWE-663"],"vendor":"Linux","product":"Linux","affected":["Linux >= 098585aa8acab3fcd46ce908af84ef168f5ccab6 < c4ade059aaeb51fdb3f4ae71e1ea3e2019b85178","Linux >= 098585aa8acab3fcd46ce908af84ef168f5ccab6 < d86f65aed01408613607f8fc31493f07554788f2","Linux >= 098585aa8acab3fcd46ce908af84ef168f5ccab6 < 9639c6324524ea3f934908bd51f02430000954ab","Linux 6.14"],"published":"2026-09-11","updated":"2026-10-19","sourceUpdated":"2026-10-19T08:48:05.615Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-89514","references":[{"url":"https://git.kernel.org/stable/c/c4ade059aaeb51fdb3f4ae71e1ea3e2019b85178"},{"url":"https://git.kernel.org/stable/c/d86f65aed01408613607f8fc31493f07554788f2"},{"url":"https://git.kernel.org/stable/c/9639c6324524ea3f934908bd51f02430000954ab"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-89514.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-89514"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2532426"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-89514"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-89514"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-89514.mbox"}],"tags":["cve.org","csaf","vex","red-hat"],"epss":0.00206,"epssPercentile":0.10638,"ingestedAt":"2026-09-14T11:11:19.887Z","slug":"CVE-2026-89514","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nscsi: fnic: Use GFP_ATOMIC for VLAN alloc under spinlock\n\nfnic_fcoe_process_vlan_resp() allocates a VLAN descriptor with\nkzalloc_obj() (default GFP_KERNEL) while holding vlans_lock via\nspin_lock_irqsave(). GFP_KERNEL may sleep, which is not allowed in this\natomic context and can trigger a sleeping-from-invalid-context warning\nor deadlock.\n\nPass GFP_ATOMIC so the allocation is safe under the IRQ-safe spinlock.\n\n## Affected\n\n- `Linux >= 098585aa8acab3fcd46ce908af84ef168f5ccab6 < c4ade059aaeb51fdb3f4ae71e1ea3e2019b85178`\n- `Linux >= 098585aa8acab3fcd46ce908af84ef168f5ccab6 < d86f65aed01408613607f8fc31493f07554788f2`\n- `Linux >= 098585aa8acab3fcd46ce908af84ef168f5ccab6 < 9639c6324524ea3f934908bd51f02430000954ab`\n- `Linux 6.14`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · no fix planned: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · updated 2026-10-17 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-89514.json)","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":203912,"id":"CVE-2026-89514","ts":1789490220772,"field":"cvss","old":null,"new":"5.5"},{"seq":203911,"id":"CVE-2026-89514","ts":1789490220772,"field":"severity","old":"none","new":"medium"},{"seq":147231,"id":"CVE-2026-89514","ts":1789270203003,"field":"cvss","old":null,"new":"4.4"},{"seq":147230,"id":"CVE-2026-89514","ts":1789270203003,"field":"severity","old":"none","new":"medium"},{"seq":108980,"id":"CVE-2026-89514","ts":1789183729822,"field":"cvss","old":null,"new":"4.4"},{"seq":108979,"id":"CVE-2026-89514","ts":1789183729822,"field":"severity","old":"none","new":"medium"}]}