In the Linux kernel, the following vulnerability has been resolved:
exfat: validate cluster allocation bits of the allocation bitmap
syzbot created an exfat image with cluster bits not set for the a
In the Linux kernel, the following vulnerability has been resolved:
fs/ntfs3: reject index allocation if $BITMAP is empty but blocks exist
Index allocation requires at least one bit in the $BITMAP a
In the Linux kernel, the following vulnerability has been resolved:
exfat: use kvmalloc_array/kvfree instead of kmalloc_array/kfree
The call stack shown below is a scenario in the Linux 4.19 kernel.
In the Linux kernel, the following vulnerability has been resolved:
exfat: add cluster chain loop check for dir
An infinite loop may occur if the following conditions occur due to
file system corrup
In the Linux kernel, the following vulnerability has been resolved:
exfat: check if cluster num is valid
Syzbot reported slab-out-of-bounds read in exfat_clear_bitmap.
This was triggered by reproduc
In the Linux kernel, the following vulnerability has been resolved:
exfat: fix memory leak in exfat_load_bitmap()
If the first directory entry in the root directory is not a bitmap
directory entry,
In the Linux kernel, the following vulnerability has been resolved:
exfat: fix divide-by-zero in exfat_allocate_bitmap
The variable max_ra_count can be 0 in exfat_allocate_bitmap(),
which causes a d
In the Linux kernel, the following vulnerability has been resolved:
md/md-bitmap: fix wrong bitmap_limit for clustermd when write sb
In clustermd, separate write-intent-bitmaps are used for each clu
In the Linux kernel, the following vulnerability has been resolved:
exfat: fix out-of-bounds access of directory entries
In the case of the directory size is greater than or equal to
the cluster siz
In the Linux kernel, the following vulnerability has been resolved:
fs/ntfs3: Fix slab-out-of-bounds read in hdr_delete_de()
Here is a BUG report from syzbot:
BUG: KASAN: slab-out-of-bounds in hdr_
In the Linux kernel, the following vulnerability has been resolved:
udf: Avoid using corrupted block bitmap buffer
When the filesystem block bitmap is corrupted, we detect the corruption
while loadi
In the Linux kernel, the following vulnerability has been resolved:
exfat: fix the infinite loop in exfat_readdir()
If the file system is corrupted so that a cluster is linked to
itself in the clust
In the Linux kernel, the following vulnerability has been resolved:
fs/ntfs3: Add rough attr alloc_size check
In the Linux kernel, the following vulnerability has been resolved:
ext4: fix bug_on ext4_mb_use_inode_pa
Hulk Robot reported a BUG_ON:
==============================================================
In the Linux kernel, the following vulnerability has been resolved:
nfs4: Fix kmemleak when allocate slot failed
If one of the slot allocate failed, should cleanup all the other
allocated slots, oth
In the Linux kernel, the following vulnerability has been resolved:
fs/ntfs3: Fix memory leak on ntfs_fill_super() error path
syzbot reported kmemleak as below:
BUG: memory leak
unreferenced object
In the Linux kernel, the following vulnerability has been resolved:
exfat: fix refcount leak in exfat_find
Fix refcount leaks in `exfat_find` related to `exfat_get_dentry_set`.
Function `exfat_get_
In the Linux kernel, the following vulnerability has been resolved:
fs/ntfs3: Additional check in ni_clear()
Checking of NTFS_FLAGS_LOG_REPLAYING added to prevent access to
uninitialized bitmap duri
In the Linux kernel, the following vulnerability has been resolved:
f2fs: remove WARN_ON in f2fs_is_valid_blkaddr
Syzbot triggers two WARNs in f2fs_is_valid_blkaddr and
__is_bitmap_valid. For exampl
In the Linux kernel, the following vulnerability has been resolved:
ext4: fix another off-by-one fsmap error on 1k block filesystems
Apparently syzbot figured out that issuing this FSMAP call:
stru
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