CVE-2026-74414

Description

In the Linux kernel, the following vulnerability has been resolved: hfsplus: Remove the duplicate attr inode dirty marking action Syzbot reported a null-ptr-deref in [1]. If the attributes file is not loaded during system mount, a trigger occurs [1] when setxattr is executed in userspace. Remove the first mark attr inode dirty operation. [1] KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] Call Trace: hfsplus_setxattr+0x124/0x340 fs/hfsplus/xattr.c:555 hfsplus_trusted_setxattr+0x40/0x60 fs/hfsplus/xattr_trusted.c:30 __vfs_setxattr+0x43c/0x480 fs/xattr.c:218 __vfs_setxattr_noperm+0x12d/0x660 fs/xattr.c:252 vfs_setxattr+0x163/0x360 fs/xattr.c:339 do_setxattr fs/xattr.c:654 [inline]

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

References

• https://git.kernel.org/stable/c/b3c7ccb1a93cbb5a9a13196abf608ffa2516817e ↗
• https://git.kernel.org/stable/c/7a41fd2b32e5908f19a68732008d581c167279dd ↗