SUSE-SU-2026:20720-1 Security update for the Linux Kernel

The SUSE Linux Enterprise Micro 6.0 and Micro 6.1 kernel was updated to fix various security issues The following security issues were fixed: - CVE-2023-53817: crypto: lib/mpi - avoid null pointer deref in mpicmpui bsc1254992. - CVE-2025-37861: scsi: mpi3mr: Synchronous access b/w reset and tm...

CLSA-2026-1773046198 kernel: Fix of 31 CVEs

smb3: fix for slab out of bounds on mount to ksmbd CVE-2025-38728 - netfilter: nftsetpipapo: clamp maximum map bucket size to INTMAX CVE-2025-38201 - ALSA: usb-audio: Validate UAC3 power domain descriptors, too CVE-2025-38729 - net: atm: fix /proc/net/atm/lec handling CVE-2025-38180 - tcpbpf:...

Unbreakable Enterprise kernel security update

5.4.17-2136.353.3 - xfrm: flush all states in xfrmstatefini Sabrina Dubroca Orabug: 38934000 - xfrm: also call xfrmstatedeletetunnel at destroy time for states that were never added Sabrina Dubroca Orabug: 38934000 - Revert 'xfrm: destroy xfrmstate synchronously on net exit path' Sabrina Dubroca...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-005650)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005650 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: add bounds checking in getmaxinlinexattrvaluesize Normally the extended attributes in the...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-005780)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005780 advisory. In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix use-after-free of nilfsroot in dirtying inodes via iput During unmount process of...

kernel: ext4: fix use-after-free in ext4_orphan_cleanup

A use-after-free vulnerability was found in the ext4 filesystem's orphan inode cleanup routine in the Linux kernel. When ext4inodeattachjinode fails with -ENOMEM during orphan cleanup at mount time, the error is not properly propagated. The inode is freed via iput, but the orphan list still...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Squashfs: fixed an issue where uninit-value was accessed in squashfsgetparent. Syzkaller reported a bug titled “KMSAN: uninit-value in squashfsgetparent”. This issue arises when openbyhandleat is called with a file handle...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ext4: detecting invalid INLINEDATA + EXTENTS flag combinations The syzbot reported a BUGON in ext4escacheextent when opening a Verity file on a corrupted ext4 file system that was mounted without a journal. The issue arises when...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ext4: Mitigated the risk of underflow of the EA inode refcount during xattr updates. Syzkaller identified a path in ext4xattrinodeupdateref where the refcount of EA inodes is checked, and if it is already ref underflow:...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-005534)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005534 advisory. In the Linux kernel, the following vulnerability has been resolved: vfs: fix race between eviceinodes and findinode&iput Hi, all Recently I noticed a bug1 in btrfs,...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-005431)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005431 advisory. In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix use-after-free of nilfsroot in dirtying inodes via iput During unmount process of...

RHEL 8 : kernel (RHSA-2026:3360)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:3360 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: RDMA/core: Fix KASAN:...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-005411)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005411 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: add bounds checking in getmaxinlinexattrvaluesize Normally the extended attributes in the...

PT-2026-29494

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel's AppArmor component contained a race condition between freeing data and filesystem access to it. AppArmor was releasing the reference to i private data after removing t...

kernel: ext4: fix use-after-free in ext4_orphan_cleanup

A use-after-free vulnerability was found in the ext4 filesystem's orphan inode cleanup routine in the Linux kernel. When ext4inodeattachjinode fails with -ENOMEM during orphan cleanup at mount time, the error is not properly propagated. The inode is freed via iput, but the orphan list still...

kernel: NFSv4/pNFS: Clear NFS_INO_LAYOUTCOMMIT in pnfs_mark_layout_stateid_invalid

A flaw null pointer dereference in the Linux kernel NFS functionality was found in the way client does some specific action for existing NFS connection. A client user could use this flaw to crash the server system...

kernel: ext4: fix use-after-free in ext4_orphan_cleanup

A use-after-free vulnerability was found in the ext4 filesystem's orphan inode cleanup routine in the Linux kernel. When ext4inodeattachjinode fails with -ENOMEM during orphan cleanup at mount time, the error is not properly propagated. The inode is freed via iput, but the orphan list still...

kernel: ext4: fix use-after-free in ext4_orphan_cleanup

A use-after-free vulnerability was found in the ext4 filesystem's orphan inode cleanup routine in the Linux kernel. When ext4inodeattachjinode fails with -ENOMEM during orphan cleanup at mount time, the error is not properly propagated. The inode is freed via iput, but the orphan list still...

kernel: ext4: fix use-after-free in ext4_orphan_cleanup

A use-after-free vulnerability was found in the ext4 filesystem's orphan inode cleanup routine in the Linux kernel. When ext4inodeattachjinode fails with -ENOMEM during orphan cleanup at mount time, the error is not properly propagated. The inode is freed via iput, but the orphan list still...

USN-8056-1: U-Boot vulnerabilities

Simon Diepold discovered that U-Boot incorrectly handled certain DHCP responses. An attacker on the local network could possibly use this issue to obtain sensitive memory contents. CVE-2024-42040 It was discovered that U-Boot incorrectly handled symlink size calculations in squashfs file systems...