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-2025-990404)

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...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990593)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990593 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: fix bugon ext4mbuseinodepa Hulk Robot reported a BUGON:...

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-2025-990525)

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:...

CLSA-2025-1762244592 kernel: Fix of 5 CVEs

ext4: fix possible UAF when remounting r/o a mmp-protected file system CVE-2021-47342 - ext4: fix memory leak in ext4fillsuper - net: defer final 'struct net' free in netns dismantle CVE-2024-56658 - net/sched: schqfq: Fix race condition on qfqaggregate CVE-2025-38477 - ALSA: usb-audio: Fix an...

CLSA-2025-1762332910 kernel: Fix of 5 CVEs

ext4: fix possible UAF when remounting r/o a mmp-protected file system CVE-2021-47342 - ext4: fix memory leak in ext4fillsuper - net: defer final 'struct net' free in netns dismantle CVE-2024-56658 - net/sched: schqfq: Fix race condition on qfqaggregate CVE-2025-38477 - ALSA: usb-audio: Fix an...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990126)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990126 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...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-988984)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-988984 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: filter out EXT4FCREPLAY from on-disk superblock field sstate The EXT4FCREPLAY bit in...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-989724)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989724 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: filter out EXT4FCREPLAY from on-disk superblock field sstate The EXT4FCREPLAY bit in...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989521)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989521 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-2025-990100)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990100 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: fix bugon in estreesearch Hulk Robot reported a BUGON:...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989672)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989672 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: add reserved GDT blocks check We capture a NULL pointer issue when resizing a corrupt ext4...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989108)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989108 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-2025-988841)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-988841 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: fix race condition between ext4write and ext4convertinlinedata Hulk Robot reported a BUGON:...

Unity Linux 20.1050e Security Update: kernel (UTSA-2025-989915)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989915 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: fix warning in 'ext4dareleasespace' Syzkaller report issue as follows: EXT4-fs loop0:...