{"id":"CVE-2026-72045","revision":null,"records":[{"revision":"b494dfacfe3d45959709c52dea074d98","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-72045","aliases":[],"title":"octeontx2-af: cn10k: restrict VF LMTLINE sharing to its own PF","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nocteontx2-af: cn10k: restrict VF LMTLINE sharing to its own PF\n\nrvu_mbox_handler_lmtst_tbl_setup() uses req->base_pcifunc as a direct\nindex into the LMT map table to read another function's LMTLINE\nphysical base address and copy it into the caller's own LMT map table\nentry. The mailbox dispatcher authenticates req->hdr.pcifunc from the\nIRQ source, but req->base_pcifunc is a separate payload field and is\nnot sanitized.\n\nReject the request with -EPERM when a VF caller's base_pcifunc is not a\nvalid function under its own PF. is_pf_func_valid() bounds the FUNC field\nto the PF's configured VF count, keeping the computed index inside the\ncaller's own slot block.","state":0,"publishedAt":"2026-08-15T05:52:04.038+00:00","modifiedAt":"2026-10-19T21:19:24.462+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"unaffected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"drivers/net/ethernet/marvell/octeontx2/af/rvu_cn10k.c\"\n ],\n \"versions\": [\n {\n \"version\": \"893ae97214c385be02f8ec097298cc48c7f0d905\",\n \"lessThan\": \"04c014e49b9f53d58a8f94adece8a0af3ae1b85c\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"893ae97214c385be02f8ec097298cc48c7f0d905\",\n \"lessThan\": \"6967dd944be2a71eddab3a2ae1a1a4dd9e5f8eed\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"893ae97214c385be02f8ec097298cc48c7f0d905\",\n \"lessThan\": \"e9c5b03208507dd6d58b0c23a2c60b5c2f4c1b11\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"893ae97214c385be02f8ec097298cc48c7f0d905\",\n \"lessThan\": \"54535692bec9ef464adc714108eb19e49e38b5a2\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"893ae97214c385be02f8ec097298cc48c7f0d905\",\n \"lessThan\": \"c73b8795b45f4ad5a95120d2e9b435ea4616e08e\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"893ae97214c385be02f8ec097298cc48c7f0d905\",\n \"lessThan\": \"59da37fee81a8d76079313348ca13c5bc90dd6ae\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"893ae97214c385be02f8ec097298cc48c7f0d905\",\n \"lessThan\": \"8cdcf3d2caacdee7ddd363705fb4d93b0c1a0915\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n }\n ]\n }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"affected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"drivers/net/ethernet/marvell/octeontx2/af/rvu_cn10k.c\"\n ],\n \"versions\": [\n {\n \"version\": \"5.14\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"5.14\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.15.217\",\n \"lessThanOrEqual\": \"5.15.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.184\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.148\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.12.101\",\n \"lessThanOrEqual\": \"6.12.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.18.42\",\n \"lessThanOrEqual\": \"6.18.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"7.1.5\",\n \"lessThanOrEqual\": \"7.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"7.2\",\n \"lessThanOrEqual\": \"*\",\n \"status\": \"unaffected\",\n \"versionType\": \"original_commit_for_fix\"\n }\n ]\n }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","score":8.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/04c014e49b9f53d58a8f94adece8a0af3ae1b85c","https://git.kernel.org/stable/c/6967dd944be2a71eddab3a2ae1a1a4dd9e5f8eed","https://git.kernel.org/stable/c/e9c5b03208507dd6d58b0c23a2c60b5c2f4c1b11","https://git.kernel.org/stable/c/54535692bec9ef464adc714108eb19e49e38b5a2","https://git.kernel.org/stable/c/c73b8795b45f4ad5a95120d2e9b435ea4616e08e","https://git.kernel.org/stable/c/59da37fee81a8d76079313348ca13c5bc90dd6ae","https://git.kernel.org/stable/c/8cdcf3d2caacdee7ddd363705fb4d93b0c1a0915"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-72045","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-72045","identifiers":["CVE-2026-72045"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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