CVE-2026-74414
N/A
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | ee8422d00b7cfa028823ebf1f28bf9dea428cac3 < b3c7ccb1a93cbb5a9a13196abf608ffa2516817e | affected |
| Linux | Linux | ee8422d00b7cfa028823ebf1f28bf9dea428cac3 < 7a41fd2b32e5908f19a68732008d581c167279dd | affected |
| Linux | Linux | 7.1 | affected |
| Linux | Linux | 0 < 7.1 | unaffected |
| Linux | Linux | 7.1.5 <= 7.1.* | unaffected |
| Linux | Linux | 7.2-rc1 <= * | unaffected |
Weaknesses
References
- https://git.kernel.org/stable/c/b3c7ccb1a93cbb5a9a13196abf608ffa2516817e
- https://git.kernel.org/stable/c/7a41fd2b32e5908f19a68732008d581c167279dd
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