{"id":"CVE-2023-53420","summary":"ntfs: Fix panic about slab-out-of-bounds caused by ntfs_listxattr()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nntfs: Fix panic about slab-out-of-bounds caused by ntfs_listxattr()\n\nHere is a BUG report from syzbot:\n\nBUG: KASAN: slab-out-of-bounds in ntfs_list_ea fs/ntfs3/xattr.c:191 [inline]\nBUG: KASAN: slab-out-of-bounds in ntfs_listxattr+0x401/0x570 fs/ntfs3/xattr.c:710\nRead of size 1 at addr ffff888021acaf3d by task syz-executor128/3632\n\nCall Trace:\n ntfs_list_ea fs/ntfs3/xattr.c:191 [inline]\n ntfs_listxattr+0x401/0x570 fs/ntfs3/xattr.c:710\n vfs_listxattr fs/xattr.c:457 [inline]\n listxattr+0x293/0x2d0 fs/xattr.c:804\n\nFix the logic of ea_all iteration. When the ea-\u003ename_len is 0,\nreturn immediately, or Add2Ptr() would visit invalid memory\nin the next loop.\n\n[almaz.alexandrovich@paragon-software.com: lines of the patch have changed]","modified":"2026-04-11T12:46:47.514447Z","published":"2025-09-18T16:04:03.754Z","related":["SUSE-SU-2025:03600-1","SUSE-SU-2025:03634-1","SUSE-SU-2025:20851-1","SUSE-SU-2025:20861-1","SUSE-SU-2025:20870-1","SUSE-SU-2025:20898-1","SUSE-SU-2025:3751-1","SUSE-SU-2025:4057-1","SUSE-SU-2025:4132-1","SUSE-SU-2025:4141-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53420.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/3c675ddffb17a8b1e32efad5c983254af18b12c2"},{"type":"WEB","url":"https://git.kernel.org/stable/c/721b75ea2dfce53a8890dff92ae01afca8e74f88"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c86a2517df6c9304db8fb12b77136ec7a5d85994"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f3380d895e28a32632eb3609f5bd515adee4e5a1"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53420.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-53420"},{"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":"be71b5cba2e6485e8959da7a9f9a44461a1bb074"},{"fixed":"f3380d895e28a32632eb3609f5bd515adee4e5a1"},{"fixed":"c86a2517df6c9304db8fb12b77136ec7a5d85994"},{"fixed":"721b75ea2dfce53a8890dff92ae01afca8e74f88"},{"fixed":"3c675ddffb17a8b1e32efad5c983254af18b12c2"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-53420.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.15.0"},{"fixed":"5.15.121"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.39"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.4.4"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-53420.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H"}]}