DEBIAN-CVE-2025-39759

In the Linux kernel, the following vulnerability has been resolved: btrfs: qgroup: fix race between quota disable and quota rescan ioctl There's a race between a task disabling quotas and another running the rescan ioctl that can result in a use-after-free of qgroup records from the...

CVE-2025-39738

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not allow relocation of partially dropped subvolumes BUG There is an internal report that balance triggered transaction abort, with the following call trace: item 85 key 594509824 169 0 itemoff 12599 itemsize 33 extent...

DEBIAN-CVE-2025-39738

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not allow relocation of partially dropped subvolumes BUG There is an internal report that balance triggered transaction abort, with the following call trace: item 85 key 594509824 169 0 itemoff 12599 itemsize 33 extent...

AZL-67244 CVE-2025-39738 affecting package kernel for versions less than 6.6.104.2-1

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not allow relocation of partially dropped subvolumes BUG There is an internal report that balance triggered transaction abort, with the following call trace: item 85 key 594509824 169 0 itemoff 12599 itemsize 33 extent...

AZL-73938 CVE-2025-39738 affecting package kernel for versions less than 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not allow relocation of partially dropped subvolumes BUG There is an internal report that balance triggered transaction abort, with the following call trace: item 85 key 594509824 169 0 itemoff 12599 itemsize 33 extent...

UBUNTU-CVE-2025-39779

In the Linux kernel, the following vulnerability has been resolved: btrfs: subpage: keep TOWRITE tag until folio is cleaned btrfssubpagesetwriteback calls foliostartwriteback the first time a folio is written back, and it also clears the PAGECACHETAGTOWRITE tag even if there are still dirty block...

UBUNTU-CVE-2025-39759

In the Linux kernel, the following vulnerability has been resolved: btrfs: qgroup: fix race between quota disable and quota rescan ioctl There's a race between a task disabling quotas and another running the rescan ioctl that can result in a use-after-free of qgroup records from the...

UBUNTU-CVE-2025-39738

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not allow relocation of partially dropped subvolumes BUG There is an internal report that balance triggered transaction abort, with the following call trace: item 85 key 594509824 169 0 itemoff 12599 itemsize 33 extent...

CVE-2025-39779

CVE-2025-39779 affects the Linux kernel’s btrfs subpage handling. The bug arises when btrfs_subpage_set_writeback() clears PAGECACHE_TAG_TOWRITE on a folio that still has dirty pages, breaking writeback ordering guarantees (e.g., btrfs_wait_ordered_extents()) and causing potential failures in zon...

CVE-2025-39779

In the Linux kernel, the following vulnerability has been resolved: btrfs: subpage: keep TOWRITE tag until folio is cleaned btrfssubpagesetwriteback calls foliostartwriteback the first time a folio is written back, and it also clears the PAGECACHETAGTOWRITE tag even if there are still dirty block...

CVE-2025-39779 btrfs: subpage: keep TOWRITE tag until folio is cleaned

In the Linux kernel, the following vulnerability has been resolved: btrfs: subpage: keep TOWRITE tag until folio is cleaned btrfssubpagesetwriteback calls foliostartwriteback the first time a folio is written back, and it also clears the PAGECACHETAGTOWRITE tag even if there are still dirty block...

CVE-2025-39779 btrfs: subpage: keep TOWRITE tag until folio is cleaned

In the Linux kernel, the following vulnerability has been resolved: btrfs: subpage: keep TOWRITE tag until folio is cleaned btrfssubpagesetwriteback calls foliostartwriteback the first time a folio is written back, and it also clears the PAGECACHETAGTOWRITE tag even if there are still dirty block...

CVE-2025-39759 btrfs: qgroup: fix race between quota disable and quota rescan ioctl

In the Linux kernel, the following vulnerability has been resolved: btrfs: qgroup: fix race between quota disable and quota rescan ioctl There's a race between a task disabling quotas and another running the rescan ioctl that can result in a use-after-free of qgroup records from the...

CVE-2025-39759

In the Linux kernel, the following vulnerability has been resolved: btrfs: qgroup: fix race between quota disable and quota rescan ioctl There's a race between a task disabling quotas and another running the rescan ioctl that can result in a use-after-free of qgroup records from the...

CVE-2025-39759

CVE-2025-39759 affects the Linux kernel’s btrfs quota subsystem. A race between disabling quotas and running btrfs_ioctl_quota_rescan() can lead to a use-after-free of qgroup records in fs_info->qgroup_tree due to Task B freeing qgroups without holding fs_info->qgroup_lock while Task A iter...

CVE-2025-39759 btrfs: qgroup: fix race between quota disable and quota rescan ioctl

In the Linux kernel, the following vulnerability has been resolved: btrfs: qgroup: fix race between quota disable and quota rescan ioctl There's a race between a task disabling quotas and another running the rescan ioctl that can result in a use-after-free of qgroup records from the...

CVE-2025-39738 btrfs: do not allow relocation of partially dropped subvolumes

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not allow relocation of partially dropped subvolumes BUG There is an internal report that balance triggered transaction abort, with the following call trace: item 85 key 594509824 169 0 itemoff 12599 itemsize 33 extent...

CVE-2025-39738

CVE-2025-39738 affects the Linux kernel (btrfs) and is triggered during relocation of partially dropped subvolumes. The root cause is a missing orphan item for a subvolume, causing a delayed-ref transaction abort when relocating, with an offender inside a dropped subvolume. Upstream fixes exist (...

CVE-2025-39738 btrfs: do not allow relocation of partially dropped subvolumes

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not allow relocation of partially dropped subvolumes BUG There is an internal report that balance triggered transaction abort, with the following call trace: item 85 key 594509824 169 0 itemoff 12599 itemsize 33 extent...

Security update for kernel-livepatch-MICRO-6-0-RT_Update_2

This update for kernel-livepatch-MICRO-6-0-RTUpdate2 fixes the following issues: CVE-2025-38087: net/sched: fix use-after-free in tapriodevnotifier bsc1245505 CVE-2025-21999: proc: fix UAF in procgetinode bsc1242579 CVE-2025-38001: netsched: hfsc: Address reentrant enqueue adding class to eltree...