Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098862)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098862 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: reject root items with dropprogress and zero droplevel BUG When recovering relocation at...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098706)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098706 advisory. 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 ta...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098844)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098844 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: fix transaction abort on set received ioctl due to item overflow If the set received ioctl...

The vulnerability of the `range_is_hole_in_parent()` function in the `fs/btrfs/send.c` module of the btrfs file system in the Linux operating system allows a attacker to cause a service failure.

The vulnerability of the rangeisholeinparent function in the fs/btrfs/send.c module of the btrfs file system in the Linux operating system is related to the execution of operations outside of the buffer in memory. Exploiting this vulnerability could allow an attacker to cause a service failure...

The vulnerability of the log_conflict_inodes() function in the fs/btrfs/tree-log.c file of the Btrfs file system’s kernel in the Linux operating system allows a attacker to cause a service failure.

The vulnerability of the logconflictinodes function in the fs/btrfs/tree-log.c file of the Btrfs file system in the Linux operating system is related to synchronization errors. Exploiting this vulnerability can allow an attacker to cause service failures...

The vulnerability of the lookup_extent_data_ref() function in the fs/btrfs/extent-tree.c file of the Btrfs file system in the Linux operating system allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the lookupextentdataref function in the fs/btrfs/extent-tree.c file of the Btrfs file system in the Linux operating system is related to the return of incorrect code states. Exploitation of this vulnerability may allow an attacker to compromise the confidentiality, integrity,...

CVE-2026-74723

A flaw was found in the Linux kernel. A local attacker could craft a btrfs image with a malformed LZO compressed file extent. This could lead to an out-of-bounds read during decompression, potentially causing a denial of service...

CVE-2026-74722

A flaw was found in the Linux kernel's btrfs filesystem. A local attacker could exploit a memory leak in the btrfsdoencodedwrite function. This occurs because an extent changeset is not properly freed before the function returns. Successful exploitation of this memory leak could lead to a denial ...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: btrfs: In the case of a zoned filesystem, there’s a memory leak that occurs after finding a block group containing super blocks. In the excludesuperstripes function, if we encounter a block group that contains super blocks, and w...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: Do not abort the filesystem when attempting to take a snapshot of a deleted subvolume. If the source file descriptor for the snapshot ioctl refers to a deleted subvolume, the following abort occurs: BTRFS: Transaction...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: HID: amdsfh: Switch to device-managed dmamalloccoherent Using the device-managed version simplifies cleanup in the probe function. This also ensures proper cleanup, which helps to resolve memory errors, page faults, btrfs...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: Handled the chunk tree lookup error in btrfsrelocatesyschunks. The unhandled case in the btrfsrelocatesyschunks loop is a corruption. This can only occur under two impossible conditions: - First, the search key is set t...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: btrfs: setpageextentmapped after readfolio in btrfscontexpand. While attempting to run the subpage block size tests, I encountered the following panic in generic/476: Assertion failed: PagePrivatepage && page-private, in...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: Fixed a deadlock that occurred when cloning inline extents and using qgroups. There are a few exceptional cases where cloning an inline extent requires copying the inline extent data into a page of the destination inode...

Astra Linux – Vulnerabilities in Linux, Linux-5.15, Linux-5.10

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: Do not free the qgroup space unless specified. Boris noticed during his simple quota testing that there was a leak caused by Sweet Tea’s change to the subvol create function, which would stop a transaction commit. This...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: btrfs: dev-replace: Device name buffers passed to the device replace function are properly validated for string termination. This prevents a read out of bounds situation in the getnamekernel function. There is a syzbot report...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: btrfs: Do not trigger BUGON due to ENOMEM from btrfslookupextentinfo in walkdownproc. We have properly handled errors here. ENOMEM is not fatal; we return the error instead...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: btrfs: Zoned – Initialize the zone info of the device for seeding. When performing seeding on a zoned filesystem, it is necessary to initialize the btrfszoneddeviceinfo structure of each zoned device. Otherwise, mounting the...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: Always report an error in runonedelayedref. Currently, we have a btrfsdebug function for handling failures in runonedelayedref. However, if end users encounter such problems, there will be no chance that btrfsdebug is...

Astra Linux – Vulnerability in Linux, Linux 5.10

A vulnerability was discovered in btrfsalloctreeb in fs/btrfs/extent-tree.c within the Linux kernel, due to an improper lock operation in btrfs. This flaw allows a user with local privileges to cause a denial of service DOS due to a deadlock issue...