CVE-2022-50082 ext4: fix warning in ext4_iomap_begin as race between bmap and write

In the Linux kernel, the following vulnerability has been resolved: ext4: fix warning in ext4iomapbegin as race between bmap and write We got issue as follows: ------------ cut here ------------ WARNING: CPU: 3 PID: 9310 at fs/ext4/inode.c:3441 ext4iomapbegin+0x182/0x5d0 RIP:...

CVE-2022-50082

CVE-2022-50082 affects the Linux kernel ext4 subsystem. The issue arises in ext4_iomap_begin due to a race between bmap and write, which can trigger a WARN_ON_ONCE path during file writes, evidenced by a kernel warning trace through iomap_apply → iomap_bmap → ext4_bmap → bmap. The consequence is ...

CVE-2022-50082 ext4: fix warning in ext4_iomap_begin as race between bmap and write

In the Linux kernel, the following vulnerability has been resolved: ext4: fix warning in ext4iomapbegin as race between bmap and write We got issue as follows: ------------ cut here ------------ WARNING: CPU: 3 PID: 9310 at fs/ext4/inode.c:3441 ext4iomapbegin+0x182/0x5d0 RIP:...

CVE-2022-50082

In the Linux kernel, the following vulnerability has been resolved: ext4: fix warning in ext4iomapbegin as race between bmap and write We got issue as follows: ------------ cut here ------------ WARNING: CPU: 3 PID: 9310 at fs/ext4/inode.c:3441 ext4iomapbegin+0x182/0x5d0 RIP:...

CVE-2022-50021

CVE-2022-50021 documents a Linux kernel ext4 bug where a validated block range for freeing blocks could be altered after validation on bigalloc filesystems, potentially triggering a kernel BUG in ext4_free_blocks() / ext4_mb_clear_bb(). The issue arises because the range may be adjusted after val...

CVE-2022-50021 ext4: block range must be validated before use in ext4_mb_clear_bb()

In the Linux kernel, the following vulnerability has been resolved: ext4: block range must be validated before use in ext4mbclearbb Block range to free is validated in ext4freeblocks using ext4inodeblockvalid and then it's passed to ext4mbclearbb. However in some situations on bigalloc file syste...

CVE-2022-50021 ext4: block range must be validated before use in ext4_mb_clear_bb()

In the Linux kernel, the following vulnerability has been resolved: ext4: block range must be validated before use in ext4mbclearbb Block range to free is validated in ext4freeblocks using ext4inodeblockvalid and then it's passed to ext4mbclearbb. However in some situations on bigalloc file syste...

CVE-2022-50021

In the Linux kernel, the following vulnerability has been resolved: ext4: block range must be validated before use in ext4mbclearbb Block range to free is validated in ext4freeblocks using ext4inodeblockvalid and then it's passed to ext4mbclearbb. However in some situations on bigalloc file syste...

CVE-2022-50020 ext4: avoid resizing to a partial cluster size

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid resizing to a partial cluster size This patch avoids an attempt to resize the filesystem to an unaligned cluster boundary. An online resize to a size that is not integral to cluster size results in the last iteration...

CVE-2022-50020 ext4: avoid resizing to a partial cluster size

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid resizing to a partial cluster size This patch avoids an attempt to resize the filesystem to an unaligned cluster boundary. An online resize to a size that is not integral to cluster size results in the last iteration...

CVE-2022-50020

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid resizing to a partial cluster size This patch avoids an attempt to resize the filesystem to an unaligned cluster boundary. An online resize to a size that is not integral to cluster size results in the last iteration...

CVE-2022-50020: Improper Validation of Specified Quantity in Input

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid resizing to a partial cluster size This patch avoids an attempt to resize the filesystem to an unaligned cluster boundary. An online resize to a size that is not integral to cluster size results in the last iteration...

CVE-2022-50126: Reachable Assertion

In the Linux kernel, the following vulnerability has been resolved: jbd2: fix assertion 'jh-bfrozendata == NULL' failure when journal aborted Following process will fail assertion 'jh-bfrozendata == NULL' in jbd2journaldirtymetadata: jbd2journalcommittransaction unlinkdir/a jh-btransaction = tran...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from an unverified block range in the ext4mbclearbb function...

CVE-2022-50021: Use After Free

In the Linux kernel, the following vulnerability has been resolved: ext4: block range must be validated before use in ext4mbclearbb Block range to free is validated in ext4freeblocks using ext4inodeblockvalid and then it's passed to ext4mbclearbb. However in some situations on bigalloc file syste...

CVE-2022-50082: Concurrent Execution using Shared Resource with Improper Synchronization

In the Linux kernel, the following vulnerability has been resolved: ext4: fix warning in ext4iomapbegin as race between bmap and write We got issue as follows: ------------ cut here ------------ WARNING: CPU: 3 PID: 9310 at fs/ext4/inode.c:3441 ext4iomapbegin+0x182/0x5d0 RIP:...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: ext4: fix off-by-one error in dosplit Syzkaller detected a use-after-free issue in ext4insertdentry that was caused by out-of-bounds access due to incorrect splitting in dosplit. BUG: KASAN: use-after-free in...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: ext4: The statement “goto right label ‘outmmapsem’” in ext4setattr has been removed. Otherwise, if ext4 inodeattachjinode fails, a hung task will occur because the function filemapinvalidateunlock is not called to unlock...

CLSA-2025-1749568993 kernel: Fix of 24 CVEs

vsock: Keep the binding until socket destruction CVE-2025-21756 - mt76: fix use-after-free by removing a non-RCU wcid pointer CVE-2022-49328 - bpf, testrun: Fix alignment problem in bpfprogtestrunskb CVE-2022-49840 - ASoC: core: Fix use-after-free in sndsocexit CVE-2022-49842 - net: sched: Fix...

Important: kernel-livepatch-6.1.132-147.221

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: nvme-tcp: fix potential memory corruption in nvmetcprecvpdu CVE-2025-21927 In the Linux kernel, the following vulnerability has been resolved: ext4: fix OOB read when checking dotdot dir CVE-2025-37785 Affected...