CVE-2025-22113

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid journaling sb update on error if journal is destroying Presently we always BUGON if trying to start a transaction on a journal marked with JBD2UNMOUNT, since this should never happen. However, while ltp running stress...

CVE-2025-22120 ext4: goto right label 'out_mmap_sem' in ext4_setattr()

In the Linux kernel, the following vulnerability has been resolved: ext4: goto right label 'outmmapsem' in ext4setattr Otherwise, if ext4inodeattachjinode fails, a hung task will happen because filemapinvalidateunlock isn't called to unlock mapping-invalidatelock. Like this: EXT4-fs error device...

CVE-2025-22113 ext4: avoid journaling sb update on error if journal is destroying

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid journaling sb update on error if journal is destroying Presently we always BUGON if trying to start a transaction on a journal marked with JBD2UNMOUNT, since this should never happen. However, while ltp running stress...

The vulnerability of the ext4 kernel component in the Linux operating system, which allows a hacker to cause a service failure

The vulnerability of the ext4 kernel component in Linux operating systems is related to improper locking mechanisms. Exploiting this vulnerability can allow an attacker to cause a service failure...

The vulnerability of the ext4_xattr_set_entry() function in the fs/ext4/xattr.c module of the Ext4 file system in the Linux operating system allows a attacker to cause a service failure.

The vulnerability of the ext4xattrsetentry function in the fs/ext4/xattr.c module of the Ext4 file system in the Linux operating system is related to insufficient resource locking. Exploiting this vulnerability could allow an attacker to cause a service failure...

Linux Distros Unpatched Vulnerability : CVE-2024-50006

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ext4: fix idatasem unlock order in ext4indmigrate Fuzzing reports a possible deadlock in jbd2logwaitcommit. This issue is triggered when an EXT4IOCMIGRATE ioctl...

Linux Distros Unpatched Vulnerability : CVE-2024-26774

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ext4: avoid dividing by 0 in mbupdateavgfragmentsize when block bitmap corrupt Determine if bbfragments is 0 instead of determining bbfree to eliminate the risk...

Linux Distros Unpatched Vulnerability : CVE-2024-26772

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ext4: avoid allocating blocks from corrupted group in ext4mbfindbygoal Places the logic for checking if the group's block bitmap is corrupt under the protection...

CVE-2022-49707

In the Linux kernel, the following vulnerability has been resolved: ext4: add reserved GDT blocks check We capture a NULL pointer issue when resizing a corrupt ext4 image which is freshly clear resizeinode feature not run e2fsck. It could be simply reproduced by following steps. The problem is...

CVE-2022-49171

In the Linux kernel, the following vulnerability has been resolved: ext4: don't BUG if someone dirty pages without asking ext4 first unpinuserpagesremote is dirtying pages without properly warning the file system in advance. A related race was noted by Jan Kara in 20181; however, more recently...

CVE-2022-49708

CVE-2022-49708 affects the Linux kernel ext4 file system (mballoc allocator). The issue is triggered by a BUG_ON path in ext4_mb_use_inode_pa during disk space accounting, leading to a kernel crash when fsync/writeback paths exercise preallocation and inode pa blocks. Reproduction steps involve c...

CVE-2022-49707 ext4: add reserved GDT blocks check

In the Linux kernel, the following vulnerability has been resolved: ext4: add reserved GDT blocks check We capture a NULL pointer issue when resizing a corrupt ext4 image which is freshly clear resizeinode feature not run e2fsck. It could be simply reproduced by following steps. The problem is...

CVE-2022-49414

In the Linux kernel, the following vulnerability has been resolved: ext4: fix race condition between ext4write and ext4convertinlinedata Hulk Robot reported a BUGON: ================================================================== EXT4-fs error device loop3: ext4mbgeneratebuddy:805: group 0,...

CVE-2022-49409

In the Linux kernel, the following vulnerability has been resolved: ext4: fix bugon in estreesearch Hulk Robot reported a BUGON: ================================================================== kernel BUG at fs/ext4/extentsstatus.c:199! ... RIP: 0010:ext4esend fs/ext4/extentsstatus.c:199 inline...

CVE-2022-49409

Summary: CVE-2022-49409 covers a Linux kernel ext4 bug that can trigger a BUG_ON in __es_tree_search due to a faulty check in ext4_valid_extent_entries when validating extents. The issue can occur during quota-related quota inode loading, propagating through ext4/extents.c to ext4_bread, quota_re...

CVE-2022-49352 ext4: fix warning in ext4_handle_inode_extension

In the Linux kernel, the following vulnerability has been resolved: ext4: fix warning in ext4handleinodeextension We got issue as follows: EXT4-fs error device loop0 in ext4reserveinodewrite:5741: Out of memory EXT4-fs error device loop0: ext4setattr:5462: inode 13: comm syz-executor.0:...

CVE-2022-49348

In Linux kernels affected by CVE-2022-49348, the EXT4_FC_REPLAY bit in sbi->s_mount_state was causing a risk: a corrupted on-disk superblock could set EXT4_FC_REPLAY in s_mount_state, bypassing sanity checks and triggering a BUG() in ext4_es_cache_extent(). The available connected documents co...

CVE-2022-49348 ext4: filter out EXT4_FC_REPLAY from on-disk superblock field s_state

In the Linux kernel, the following vulnerability has been resolved: ext4: filter out EXT4FCREPLAY from on-disk superblock field sstate The EXT4FCREPLAY bit in sbi-smountstate is used to indicate that we are in the middle of replay the fast commit journal. This was actually a mistake, since the...

CVE-2022-49348 ext4: filter out EXT4_FC_REPLAY from on-disk superblock field s_state

In the Linux kernel, the following vulnerability has been resolved: ext4: filter out EXT4FCREPLAY from on-disk superblock field sstate The EXT4FCREPLAY bit in sbi-smountstate is used to indicate that we are in the middle of replay the fast commit journal. This was actually a mistake, since the...

CVE-2022-49343 ext4: avoid cycles in directory h-tree

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid cycles in directory h-tree A maliciously corrupted filesystem can contain cycles in the h-tree stored inside a directory. That can easily lead to the kernel corrupting tree nodes that were already verified under its...