{ "schema_version": "1.4.0", "id": "GHSA-h79r-2wv4-r9g8", "modified": "2024-03-25T03:31:43Z", "published": "2022-05-24T19:18:27Z", "aliases": [ "CVE-2021-42327" ], "details": "dp_link_settings_write in drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c in the Linux kernel through 5.14.14 allows a heap-based buffer overflow by an attacker who can write a string to the AMD GPU display drivers debug filesystem. There are no checks on size within parse_write_buffer_into_params when it uses the size of copy_from_user to copy a userspace buffer into a 40-byte heap buffer.", "severity": [ { "type": "CVSS_V3", "score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H" } ], "affected": [], "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-42327" }, { "type": "WEB", "url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f23750b5b3d98653b31d4469592935ef6364ad67" }, { "type": "WEB", "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/log/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c" }, { "type": "WEB", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RDDEW4APTYKJK365HC2JZIVXYUV7ZRN7" }, { "type": "WEB", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RDDEW4APTYKJK365HC2JZIVXYUV7ZRN7" }, { "type": "WEB", "url": "https://security.netapp.com/advisory/ntap-20211118-0005" }, { "type": "WEB", "url": "https://www.mail-archive.com/amd-gfx%40lists.freedesktop.org/msg69080.html" }, { "type": "WEB", "url": "https://www.mail-archive.com/amd-gfx@lists.freedesktop.org/msg69080.html" } ], "database_specific": { "cwe_ids": [ "CWE-787" ], "severity": "HIGH", "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2021-10-21T17:15:00Z" } }