CVE-2025-40167: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ext4: detect invalid INLINEDATA + EXTENTS flag combination syzbot reported a BUGON in ext4escacheextent when opening a verity file on a corrupted ext4 filesystem mounted without a journal. The issue is that the filesystem has an...

CVE-2025-40124: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: sparc: fix accurate exception reporting in copyfromtouser for UltraSPARC III Anthony Yznaga tracked down that a BUGON in ext4 code with large folios enabled resulted from copyfromuser returning impossibly large values greater tha...

CVE-2025-40119: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ext4: fix potential null deref in ext4mbinit In ext4mbinit, ext4mbavgfragmentsizedestroy may be called when sbi-smbavgfragmentsize remains uninitialized e.g., if groupinfo slab cache allocation fails. Since...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-990814)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990814 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: fix WARNING in ext4updateinlinedata Syzbot found the following issue: EXT4-fs loop0: mount...

Linux Distros Unpatched Vulnerability : CVE-2025-40124

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - sparc: fix accurate exception reporting in copyfromtouser for UltraSPARC III Anthony Yznaga tracked down that a BUGON in ext4 code with large folios enabled...

Linux Distros Unpatched Vulnerability : CVE-2025-40167

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ext4: detect invalid INLINEDATA + EXTENTS flag combination syzbot reported a BUGON in ext4escacheextent when opening a verity file on a corrupted ext4 filesyste...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-990740)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990740 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: zero idisksize when initializing the bootloader inode If the boot loader inode has never...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-990743)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990743 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: fix another off-by-one fsmap error on 1k block filesystems Apparently syzbot figured out...

Amazon Linux 2 : kernel, --advisory ALAS2-2025-3075 (ALAS-2025-3075)

The version of kernel installed on the remote host is prior to 4.14.355-280.708. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2025-3075 advisory. In the Linux kernel, the following vulnerability has been resolved: fs: dlm: fix invalid derefence of sblvbptr...

USN-7865-1: Linux kernel (FIPS) vulnerabilities

Jean-Claude Graf, Sandro Rüegge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor isolation between a guest and a userspace hypervisor for certain processors. This flaw is known as VMSCAPE. An attacker in a guest VM could possibly use this t...

USN-7865-1 linux-fips vulnerabilities

Jean-Claude Graf, Sandro Rüegge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor isolation between a guest and a userspace hypervisor for certain processors. This flaw is known as VMSCAPE. An attacker in a guest VM could possibly use this t...

USN-7853-3: Linux kernel (Azure) vulnerabilities

Jean-Claude Graf, Sandro Rüegge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor isolation between a guest and a userspace hypervisor for certain processors. This flaw is known as VMSCAPE. An attacker in a guest VM could possibly use this t...

USN-7853-3 linux-azure, linux-azure-4.15 vulnerabilities

Jean-Claude Graf, Sandro Rüegge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor isolation between a guest and a userspace hypervisor for certain processors. This flaw is known as VMSCAPE. An attacker in a guest VM could possibly use this t...

USN-7795-5: 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: - Ext4 file system; - Network file system NFS server daemon; - Packet sockets; - Network traffic control; - VMware...

USN-7795-5 linux-raspi-5.4 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: - Ext4 file system; - Network file system NFS server daemon; - Packet sockets; - Network traffic control; - VMware...

USN-7863-1: Linux kernel vulnerabilities

Jean-Claude Graf, Sandro Rüegge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor isolation between a guest and a userspace hypervisor for certain processors. This flaw is known as VMSCAPE. An attacker in a guest VM could possibly use this t...

USN-7863-1 linux, linux-aws, linux-kvm, linux-lts-xenial vulnerabilities

Jean-Claude Graf, Sandro Rüegge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor isolation between a guest and a userspace hypervisor for certain processors. This flaw is known as VMSCAPE. An attacker in a guest VM could possibly use this t...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990525)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990525 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: fix bugon in ext4writepages we got issue as follows: EXT4-fs error device loop0:...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990557)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990557 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: don't BUG if someone dirty pages without asking ext4 first unpinuserpagesremote is dirtying...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990404)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990404 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: avoid cycles in directory h-tree A maliciously corrupted filesystem can contain cycles in t...