{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-63879", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-19T07:54:57.018Z", "datePublished": "2026-07-19T14:54:51.698Z", "dateUpdated": "2026-07-20T13:41:07.319Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-07-20T13:41:07.319Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: fix amdgpu_hmm_range_get_pages\n\nThe notifier sequence must only be read once or otherwise we could work\nwith invalid pages.\n\nWhile at it also fix the coding style, e.g. drop the pre-initialized\nreturn value and use the common define for 2G range.\n\n(cherry picked from commit c08972f555945cda57b0adb72272a37910153390)"}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH"}}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c"], "versions": [{"version": "c1420a5dd4dd2a1ffc86965ad1c6f439afb130bc", "lessThan": "2fd24407457a6b181ba827705678da70e528dcd0", "status": "affected", "versionType": "git"}, {"version": "c1420a5dd4dd2a1ffc86965ad1c6f439afb130bc", "lessThan": "962d684b5dc0741dcd93485d41b450de402d5592", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c"], "versions": [{"version": "6.2", "status": "affected"}, {"version": "0", "lessThan": "6.2", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.12", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2", "versionEndExcluding": "7.0.12"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2", "versionEndExcluding": "7.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/2fd24407457a6b181ba827705678da70e528dcd0"}, {"url": "https://git.kernel.org/stable/c/962d684b5dc0741dcd93485d41b450de402d5592"}], "title": "drm/amdgpu: fix amdgpu_hmm_range_get_pages", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"bugzilla": {"description": "kernel: drm/amdgpu: fix amdgpu_hmm_range_get_pages", "id": "2502463", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502463"}, "csaw": false, "cwe": "CWE-824", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ndrm/amdgpu: fix amdgpu_hmm_range_get_pages\nThe notifier sequence must only be read once or otherwise we could work\nwith invalid pages.\nWhile at it also fix the coding style, e.g. drop the pre-initialized\nreturn value and use the common define for 2G range.\n(cherry picked from commit c08972f555945cda57b0adb72272a37910153390)", "A flaw was found in the Linux kernel, specifically within the `drm/amdgpu` component. This vulnerability arises from incorrect handling of a notifier sequence in the `amdgpu_hmm_range_get_pages` function, where the sequence can be read more than once. This can lead to the system processing invalid memory pages, potentially resulting in system instability or crashes."], "name": "CVE-2026-63879", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-07-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-63879\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-63879\nhttps://lore.kernel.org/linux-cve-announce/2026071938-CVE-2026-63879-3372@gregkh/T"]}