CVE-2026-43474

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
08/05/2026
Last modified:
12/05/2026

Description

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> fs: init flags_valid before calling vfs_fileattr_get<br /> <br /> syzbot reported a uninit-value bug in [1].<br /> <br /> Similar to the "*get" context where the kernel&amp;#39;s internal file_kattr<br /> structure is initialized before calling vfs_fileattr_get(), we should<br /> use the same mechanism when using fa.<br /> <br /> [1]<br /> BUG: KMSAN: uninit-value in fuse_fileattr_get+0xeb4/0x1450 fs/fuse/ioctl.c:517<br /> fuse_fileattr_get+0xeb4/0x1450 fs/fuse/ioctl.c:517<br /> vfs_fileattr_get fs/file_attr.c:94 [inline]<br /> __do_sys_file_getattr fs/file_attr.c:416 [inline]<br /> <br /> Local variable fa.i created at:<br /> __do_sys_file_getattr fs/file_attr.c:380 [inline]<br /> __se_sys_file_getattr+0x8c/0xbd0 fs/file_attr.c:372

Impact