CVE-2024-37354 btrfs: fix crash on racing fsync and size-extending write into prealloc

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix crash on racing fsync and size-extending write into prealloc We have been seeing crashes on duplicate keys in btrfssetitemkeysafe: BTRFS critical device vdb: slot 4 key 450 108 8192 new key 450 108 8192 ------------ cu...

CVE-2024-37354 btrfs: fix crash on racing fsync and size-extending write into prealloc

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix crash on racing fsync and size-extending write into prealloc We have been seeing crashes on duplicate keys in btrfssetitemkeysafe: BTRFS critical device vdb: slot 4 key 450 108 8192 new key 450 108 8192 ------------ cu...

CVE-2024-37354

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix crash on racing fsync and size-extending write into prealloc We have been seeing crashes on duplicate keys in btrfssetitemkeysafe: BTRFS critical device vdb: slot 4 key 450 108 8192 new key 450 108 8192 ------------ cu...

CVE-2024-37354 btrfs: fix crash on racing fsync and size-extending write into prealloc

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix crash on racing fsync and size-extending write into prealloc We have been seeing crashes on duplicate keys in btrfssetitemkeysafe: BTRFS critical device vdb: slot 4 key 450 108 8192 new key 450 108 8192 ------------ cu...

CVE-2024-38306 btrfs: protect folio::private when attaching extent buffer folios

In the Linux kernel, the following vulnerability has been resolved: btrfs: protect folio::private when attaching extent buffer folios BUG Since v6.8 there are rare kernel crashes reported by various people, the common factor is bad page status error messages like this: BUG: Bad page state in...

CVE-2024-37354

CVE-2024-37354 : In the Linux kernel, the vulnerability is described as a crash in the Btrfs file system caused by a race between fsync and size-extending writes into preallocated extents. The crash manifests as a BUG in btrfs_set_item_key_safe, triggered by overlapping preallocated extents (e.g....

CVE-2024-38306

The CVE-2024-38306 issue resides in the Linux kernel’s BTRFS extent IO path. A race stems from how folio::private is managed during attach of extent folios: after the commit that refactored alloc_extent_buffer() to an allocate-then-attach flow, code guarded by mapping->i_private_lock was moved...

CVE-2024-38306

In the Linux kernel, the following vulnerability has been resolved: btrfs: protect folio::private when attaching extent buffer folios BUG Since v6.8 there are rare kernel crashes reported by various people, the common factor is bad page status error messages like this: BUG: Bad page state in...

CVE-2024-38306 btrfs: protect folio::private when attaching extent buffer folios

In the Linux kernel, the following vulnerability has been resolved: btrfs: protect folio::private when attaching extent buffer folios BUG Since v6.8 there are rare kernel crashes reported by various people, the common factor is bad page status error messages like this: BUG: Bad page state in...

PT-2024-27935

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.8 Description The Linux kernel has a vulnerability that can cause rare kernel crashes due to bad page status error messages. This issue is caused by a race condition between thread A allocating an extent buffer...

SUSE SLES15: cluster-md-kmp-default / dlm-kmp-default / gfs2-kmp-default / etc (SUSE-SU-2024:2185-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2024:2185-1 advisory. The SUSE Linux Enterprise 15 SP3 kernel was updated to receive various security bugfixes. The following security bugs were fixed: -...

Linux kernel security vulnerabilities

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 the btrfssetitemkeysafe function discovering duplicate keys, which causes a crash...

SUSE SLES15: cluster-md-kmp-default / dlm-kmp-default / gfs2-kmp-default / etc (SUSE-SU-2024:2183-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2024:2183-1 advisory. The SUSE Linux Enterprise 15 SP2 kernel was updated to receive various security bugfixes. The following security bugs were fixed: -...

PT-2024-29242

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue is related to the btrfs file system in the Linux kernel. When running btrfs/060 with the forced RST feature, it would crash due to an ASSERT inside scrub read endio. This happe...

SUSE CVE-2022-48733

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix use-after-free after failure to create a snapshot At ioctl.c:createsnapshot, we allocate a pending snapshot structure and then attach it to the transaction's list of pending snapshots. After that we call...

SUSE CVE-2021-47585

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix memory leak in addinoderef Line 1169 3 allocates a memory chunk for victimname by kmalloc, but when the function returns in line 1184 4 victimname allocated by line 1169 3 is not freed, which will lead to a memory leak...

SUSE CVE-2021-47599

In the Linux kernel, the following vulnerability has been resolved: btrfs: use latestdev in btrfsshowdevname The test case btrfs/238 reports the warning below: WARNING: CPU: 3 PID: 481 at fs/btrfs/super.c:2509 btrfsshowdevname+0x104/0x1e8 btrfs CPU: 2 PID: 1 Comm: systemd Tainted: G W O...

SUSE CVE-2022-48734

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix deadlock between quota disable and qgroup rescan worker Quota disable ioctl starts a transaction before waiting for the qgroup rescan worker completes. However, this wait can be infinite and results in deadlock because...

CVE-2022-48733

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix use-after-free after failure to create a snapshot At ioctl.c:createsnapshot, we allocate a pending snapshot structure and then attach it to the transaction's list of pending snapshots. After that we call...

CVE-2022-48734

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix deadlock between quota disable and qgroup rescan worker Quota disable ioctl starts a transaction before waiting for the qgroup rescan worker completes. However, this wait can be infinite and results in deadlock because...