{"id":"CVE-2026-98518","revision":null,"records":[{"revision":"6cfe6a3ed45942c49da56fe5e1ebfe7b","observedAt":"2026-10-24T16:17:04.479+00:00","statement":{"source":"cve-program","id":"CVE-2026-98518","aliases":[],"title":"drm/nouveau/dmem: pin VRAM for the whole registered range","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/nouveau/dmem: pin VRAM for the whole registered range\n\nCommit c32287471077 (\"gpu/drm/nouveau: enable THP support for GPU memory\nmigration\") grew the device-private region that\nnouveau_dmem_chunk_alloc() registers from DMEM_CHUNK_SIZE to\nDMEM_CHUNK_SIZE * NR_CHUNKS, but left the VRAM buffer object backing that\nregion at DMEM_CHUNK_SIZE.\n\nnouveau_dmem_page_addr() returns chunk->bo->offset plus the page's offset\nwithin the registered region, so every page past the first chunk resolves\nto VRAM outside the buffer object.\n\nSize the buffer object to the region it backs.","state":0,"publishedAt":"2026-10-18T15:17:36.371+00:00","modifiedAt":"2026-10-24T14:09:15.821+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/gpu/drm/nouveau/nouveau_dmem.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"c3228747107705d47c7e9a03598a434a0380cb73\",\n                            \"lessThan\": \"06c69c64686a31783c8bec6495dc22822d38c4ce\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c3228747107705d47c7e9a03598a434a0380cb73\",\n                            \"lessThan\": \"64ca4cdd1031206424e6455f0ae4fb0560d8f46a\",\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/gpu/drm/nouveau/nouveau_dmem.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.19\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.19\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.9\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\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:H/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/06c69c64686a31783c8bec6495dc22822d38c4ce","https://git.kernel.org/stable/c/64ca4cdd1031206424e6455f0ae4fb0560d8f46a"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-98518","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-98518","identifiers":["CVE-2026-98518"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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Not a global EPSS backfill.","generation":"2026-10-26T01:39:40.4466127+00:00","complete":true,"records":1093,"lastAttemptAt":"2026-10-26T01:39:40.4466127+00:00","lastSuccessAt":"2026-10-26T01:39:40.7020356+00:00","error":null,"lastVerifiedAt":"2026-10-26T01:39:40.702037+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-204a3fb93a00487e8f7f36db01dc851d","complete":true,"records":13413,"lastAttemptAt":"2026-10-26T01:39:41.1738985+00:00","lastSuccessAt":"2026-10-25T16:19:28.681+00:00","error":null,"lastVerifiedAt":"2026-10-25T16:19:28.681+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13474,"expectedIdentifiers":13474},{"source":"osv:Go","scope":"Complete OSV Go ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"go-2375a4e597279abf92e8747e140fe8da9d421877cd49cae3ac69a2cb78469b2c","complete":true,"records":9779,"lastAttemptAt":"2026-10-26T01:39:40.0161298+00:00","lastSuccessAt":"2026-10-24T13:19:53.1346702+00:00","error":null,"lastVerifiedAt":"2026-10-26T01:39:40.0161298+00:00","snapshotPublishedAt":"2026-10-24T03:03:12+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null},{"source":"osv:NuGet","scope":"Complete OSV NuGet ecosystem archive, including GitHub Advisory Database records; NuGet version matching only","generation":"nuget-16ad89dfea13ab9e9b0108e63a759d63bd4559cc68b58491107d62ee35bbbaf2","complete":true,"records":1965,"lastAttemptAt":"2026-10-26T01:38:00.2986867+00:00","lastSuccessAt":"2026-10-23T16:01:26.4487605+00:00","error":null,"lastVerifiedAt":"2026-10-26T01:38:00.2986867+00:00","snapshotPublishedAt":"2026-10-21T12:18:07+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null},{"source":"osv:crates.io","scope":"Complete OSV crates.io ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"crates.io-7da67a15aa6e56a0e3081a7646dc74d537e6ef974afc593c2b1794ed01970648","complete":true,"records":2969,"lastAttemptAt":"2026-10-26T01:39:40.3984093+00:00","lastSuccessAt":"2026-10-24T13:19:59.1145547+00:00","error":null,"lastVerifiedAt":"2026-10-26T01:39:40.3984093+00:00","snapshotPublishedAt":"2026-10-24T08:47:51+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null},{"source":"osv:npm","scope":"Complete OSV npm ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"npm-e467025c473777f37ebf674fb135c1da680991784fbaabf4bddec7123f3aa848","complete":true,"records":230789,"lastAttemptAt":"2026-10-26T01:39:39.8952597+00:00","lastSuccessAt":"2026-10-26T01:39:38.7072227+00:00","error":null,"lastVerifiedAt":"2026-10-26T01:39:39.8952597+00:00","snapshotPublishedAt":"2026-10-26T01:18:10+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null}]}