CVE-2024-41059

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> hfsplus: fix uninit-value in copy_name<br /> <br /> [syzbot reported]<br /> BUG: KMSAN: uninit-value in sized_strscpy+0xc4/0x160<br /> sized_strscpy+0xc4/0x160<br /> copy_name+0x2af/0x320 fs/hfsplus/xattr.c:411<br /> hfsplus_listxattr+0x11e9/0x1a50 fs/hfsplus/xattr.c:750<br /> vfs_listxattr fs/xattr.c:493 [inline]<br /> listxattr+0x1f3/0x6b0 fs/xattr.c:840<br /> path_listxattr fs/xattr.c:864 [inline]<br /> __do_sys_listxattr fs/xattr.c:876 [inline]<br /> __se_sys_listxattr fs/xattr.c:873 [inline]<br /> __x64_sys_listxattr+0x16b/0x2f0 fs/xattr.c:873<br /> x64_sys_call+0x2ba0/0x3b50 arch/x86/include/generated/asm/syscalls_64.h:195<br /> do_syscall_x64 arch/x86/entry/common.c:52 [inline]<br /> do_syscall_64+0xcf/0x1e0 arch/x86/entry/common.c:83<br /> entry_SYSCALL_64_after_hwframe+0x77/0x7f<br /> <br /> Uninit was created at:<br /> slab_post_alloc_hook mm/slub.c:3877 [inline]<br /> slab_alloc_node mm/slub.c:3918 [inline]<br /> kmalloc_trace+0x57b/0xbe0 mm/slub.c:4065<br /> kmalloc include/linux/slab.h:628 [inline]<br /> hfsplus_listxattr+0x4cc/0x1a50 fs/hfsplus/xattr.c:699<br /> vfs_listxattr fs/xattr.c:493 [inline]<br /> listxattr+0x1f3/0x6b0 fs/xattr.c:840<br /> path_listxattr fs/xattr.c:864 [inline]<br /> __do_sys_listxattr fs/xattr.c:876 [inline]<br /> __se_sys_listxattr fs/xattr.c:873 [inline]<br /> __x64_sys_listxattr+0x16b/0x2f0 fs/xattr.c:873<br /> x64_sys_call+0x2ba0/0x3b50 arch/x86/include/generated/asm/syscalls_64.h:195<br /> do_syscall_x64 arch/x86/entry/common.c:52 [inline]<br /> do_syscall_64+0xcf/0x1e0 arch/x86/entry/common.c:83<br /> entry_SYSCALL_64_after_hwframe+0x77/0x7f<br /> [Fix]<br /> When allocating memory to strbuf, initialize memory to 0.