{"id":"CVE-2026-74527","summary":"octeontx2-af: Block VFs from clobbering special CGX PKIND state","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nocteontx2-af: Block VFs from clobbering special CGX PKIND state\n\nPF and VF NIX LFs that share a CGX LMAC reuse the same hardware PKIND\nprogramming. When HiGig2 or EDSA parsing is enabled, a VF NIX LF alloc must\nnot reset the LMAC RX PKIND or default TX parse config over the PF setup.\n\nAdd cgx_get_pkind() and rvu_cgx_is_pkind_config_permitted() so VFs skip\ncgx_set_pkind(), rvu_npc_set_pkind(), and NIX_AF_LFX_TX_PARSE_CFG updates\nwhen the LMAC is using NPC_RX_HIGIG_PKIND or NPC_RX_EDSA_PKIND.","modified":"2026-11-01T02:30:59.993874071Z","published":"2026-08-15T12:27:43.568Z","related":["SUSE-SU-2026:23477-1","SUSE-SU-2026:23481-1","SUSE-SU-2026:23528-1","SUSE-SU-2026:23529-1","SUSE-SU-2026:23881-1","SUSE-SU-2026:23887-1","SUSE-SU-2026:23897-1","SUSE-SU-2026:23902-1","SUSE-SU-2026:4120-1","SUSE-SU-2026:4254-1","openSUSE-SU-2026:21910-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74527.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/1106b26e86ac1e7e4d1f634bcd532c5d44e60620"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3bd438a58e910db5dc369aa25dfed1fc95f1b596"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7e888d7dd11519330ba6c6a28391d55891463a6a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a76243488740a07c81c9adf431685bb7f7c31d8c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d3c6b0f48f126a36955b3fb4154a59d0b3621d97"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f24f7ce6fb2d1ae080a05371afddba30a3e0b919"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74527.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74527"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"94d942c5fb970ac2166216838b278613decfa9a0"},{"fixed":"f24f7ce6fb2d1ae080a05371afddba30a3e0b919"},{"fixed":"1106b26e86ac1e7e4d1f634bcd532c5d44e60620"},{"fixed":"7e888d7dd11519330ba6c6a28391d55891463a6a"},{"fixed":"a76243488740a07c81c9adf431685bb7f7c31d8c"},{"fixed":"d3c6b0f48f126a36955b3fb4154a59d0b3621d97"},{"fixed":"3bd438a58e910db5dc369aa25dfed1fc95f1b596"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-74527.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.20.0"},{"fixed":"6.1.191"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.160"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.114"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.57"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.1.8"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-74527.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"}]}