{"api_version":"1","generated_at":"2026-05-12T13:03:42+00:00","cve":"CVE-2026-43093","urls":{"html":"https://cve.report/CVE-2026-43093","api":"https://cve.report/api/cve/CVE-2026-43093.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-43093","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-43093"},"summary":{"title":"xsk: tighten UMEM headroom validation to account for tailroom and min frame","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nxsk: tighten UMEM headroom validation to account for tailroom and min frame\n\nThe current headroom validation in xdp_umem_reg() could leave us with\ninsufficient space dedicated to even receive minimum-sized ethernet\nframe. 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Furthermore if multi-buffer would come to play then\nskb_shared_info stored at the end of XSK frame would be corrupted.\n\nHW typically works with 128-aligned sizes so let us provide this value\nas bare minimum.\n\nMulti-buffer setting is known later in the configuration process so\nbesides accounting for 128 bytes, let us also take care of tailroom space\nupfront.","Type":"Description","Title":"xsk: tighten UMEM headroom validation to account for tailroom an"}]}}}