Linux Distros Unpatched Vulnerability : CVE-2026-43358

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - btrfs: add missing RCU unlock in error path in tryreleasesubpageextentbuffer Call rcureadlock before exiting the loop in tryreleasesubpageextentbuffer because...

Ubuntu 14.04 LTS / 16.04 LTS : Linux kernel vulnerabilities (USN-8274-1)

The remote Ubuntu 14.04 LTS / 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8274-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-021638)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021638 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: fix use-after-free when COWing tree bock and tracing is enabled When a COWing a tree block...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-021580)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021580 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: don't BUGON on ENOMEM from btrfslookupextentinfo in walkdownproc We handle errors here...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-021639)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021639 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: don't BUGON when 0 reference count at btrfslookupextentinfo Instead of doing a BUGON handl...

USN-8274-1 linux, linux-aws, linux-kvm, linux-lts-xenial vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Network drivers; - BTRFS file system; - Sun RPC protocol; - XFRM subsystem; CVE-2022-49033, CVE-2024-27388,...

USN-8274-1: Linux kernel vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Network drivers; - BTRFS file system; - Sun RPC protocol; - XFRM subsystem; CVE-2022-49033, CVE-2024-27388,...

CVE-2026-43338

A flaw was found in the Linux kernel's Btrfs filesystem. The qgroup ioctls input/output control system calls for quota groups do not reserve sufficient transaction space. A local user can exploit this by performing specific qgroup operations, which can lead to a transaction abort and result in a...

SUSE CVE-2019-19039

btrfsfreeextent in fs/btrfs/extent-tree.c in the Linux kernel through 5.3.12 calls btrfsprintleaf in a certain ENOENT case, which allows local users to obtain potentially sensitive information about register values via the dmesg program. NOTE: The BTRFS development team disputes this issues as no...

SUSE CVE-2026-43299

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not ASSERT when the fs flips RO inside btrfsrepairiofailure BUG There is a bug report that when btrfs hits ENOSPC error in a critical path, btrfs flips RO this part is expected, although the ENOSPC bug still needs to be...

SUSE CVE-2026-43358

In the Linux kernel, the following vulnerability has been resolved: btrfs: add missing RCU unlock in error path in tryreleasesubpageextentbuffer Call rcureadlock before exiting the loop in tryreleasesubpageextentbuffer because there is a rcureadunlock call past the loop. This has been detected by...

SUSE CVE-2026-43308

In the Linux kernel, the following vulnerability has been resolved: btrfs: don't BUG on unexpected delayed ref type in runonedelayedref There is no need to BUG, we can just return an error and log an error message...

SUSE CVE-2026-43338

In the Linux kernel, the following vulnerability has been resolved: btrfs: reserve enough transaction items for qgroup ioctls Currently our qgroup ioctls don't reserve any space, they just do a transaction join, which does not reserve any space, neither for the quota tree updates nor for the...

SUSE CVE-2026-43359

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 fails due to an item overflow when attempting to add the BTRFSUUIDKEYRECEIVEDSUBVOL we have to abort the transaction since we did...

SUSE CVE-2026-43360

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix transaction abort on file creation due to name hash collision If we attempt to create several files with names that result in the same hash, we have to pack them in same dir item and that has a limit inherent to the le...

SUSE CVE-2026-43361

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix transaction abort when snapshotting received subvolumes Currently a user can trigger a transaction abort by snapshotting a previously received snapshot a bunch of times until we reach a BTRFSUUIDKEYRECEIVEDSUBVOL item...

SUSE CVE-2026-43393

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix chunk map leak in btrfsmapblock after btrfschunkmapnumcopies Fix a chunk map leak in btrfsmapblock: if we return early with -EINVAL, we're not freeing the chunk map that we've just looked up...

USN-8180-6 linux-raspi vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - Block layer subsystem; - Drivers core; - Bluetooth drivers; - DMA engine subsystem; - GPU...

USN-8180-6: Linux kernel (Raspberry Pi) vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - Block layer subsystem; - Drivers core; - Bluetooth drivers; - DMA engine subsystem; - GPU...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net: clear the dst when changing skb protocol CVE-2025-38192 In the Linux kernel, the following vulnerability has been resolved: rcu/nocb: Fix possible invalid rdp's-nocbcbkthread pointer access CVE-2025-38704 In...