CVE-2023-53450

In the Linux kernel, the following vulnerability has been resolved: ext4: remove a BUGON in ext4mbreleasegrouppa If a malicious fuzzer overwrites the ext4 superblock while it is mounted such that the sfirstdatablock is set to a very large number, the calculation of the block group can underflow,...

CVE-2023-53450 ext4: remove a BUG_ON in ext4_mb_release_group_pa()

In the Linux kernel, the following vulnerability has been resolved: ext4: remove a BUGON in ext4mbreleasegrouppa If a malicious fuzzer overwrites the ext4 superblock while it is mounted such that the sfirstdatablock is set to a very large number, the calculation of the block group can underflow,...

PT-2025-40157

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel’s ext4 implementation. A malicious fuzzer could potentially overwrite the ext4 superblock while mounted, setting the s first data block to a large numbe...

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 Linux kernel that stems from a possible integer underflow in block group calculations, which could cause the kernel to crash...

DEBIAN-CVE-2023-53348

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix deadlock when aborting transaction during relocation with scrub Before relocating a block group we pause scrub, then do the relocation and then unpause scrub. The relocation process requires starting and committing a...

AZL-71903 CVE-2023-53348 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix deadlock when aborting transaction during relocation with scrub Before relocating a block group we pause scrub, then do the relocation and then unpause scrub. The relocation process requires starting and committing a...

CVE-2023-53348

The CVE-2023-53348 issue affects the Linux kernel's Btrfs relocation workflow. Specifically, when relocating a block group, the scrub operation is paused during relocation and may deadlock if a transactional commit enters the critical section with a paused scrub. The vulnerability is resolved by ...

PT-2025-38198

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.3.0-rc2-btrfs-next-127+ Description The Linux kernel contained a deadlock issue within the BTRFS file system related to transaction handling during block group relocation with scrub enabled. Specifically, a...

SUSE CVE-2023-53187

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix use-after-free of new block group that became unused If a task creates a new block group and that block group becomes unused before we finish its creation, at btrfscreatependingblockgroups, then when btrfsmarkbgunused ...

CVE-2023-53187

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix use-after-free of new block group that became unused If a task creates a new block group and that block group becomes unused before we finish its creation, at btrfscreatependingblockgroups, then when btrfsmarkbgunused ...

DEBIAN-CVE-2023-53187

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix use-after-free of new block group that became unused If a task creates a new block group and that block group becomes unused before we finish its creation, at btrfscreatependingblockgroups, then when btrfsmarkbgunused ...

AZL-71165 CVE-2023-53187 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix use-after-free of new block group that became unused If a task creates a new block group and that block group becomes unused before we finish its creation, at btrfscreatependingblockgroups, then when btrfsmarkbgunused ...

UBUNTU-CVE-2023-53187

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix use-after-free of new block group that became unused If a task creates a new block group and that block group becomes unused before we finish its creation, at btrfscreatependingblockgroups, then when btrfsmarkbgunused ...

CVE-2023-53187

CVE-2023-53187 pertains to the Linux kernel’s btrfs code. The vulnerability arises when a task creates a new block group that later becomes unused during the creation window. In btrfs_create_pending_block_groups(), if btrfs_mark_bg_unused() runs and moves the group out of the ‘new’ list into ‘unu...

CVE-2023-53187 btrfs: fix use-after-free of new block group that became unused

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix use-after-free of new block group that became unused If a task creates a new block group and that block group becomes unused before we finish its creation, at btrfscreatependingblockgroups, then when btrfsmarkbgunused ...

CVE-2023-53187 btrfs: fix use-after-free of new block group that became unused

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix use-after-free of new block group that became unused If a task creates a new block group and that block group becomes unused before we finish its creation, at btrfscreatependingblockgroups, then when btrfsmarkbgunused ...

PT-2025-37551

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free vulnerability exists in the Linux kernel's Btrfs file system related to block group management. Specifically, if a task creates a new block group that becomes unused...

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 reference counting not being handled correctly after a new block group is changed to an unused state, which...

btrfs: harden block_group::bg_list against list_del() races

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SUSE SLES15: cluster-md-kmp-rt / dlm-kmp-rt / gfs2-kmp-rt / kernel-devel-rt / etc (SUSE-SU-2025:03023-1)

The remote SUSE Linux SLES15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:03023-1 advisory. The SUSE Linux Enterprise 15 SP6 RT kernel was updated to receive various security bugfixes. The following security bugs were...