USN-8187-1 linux-nvidia-tegra, linux-nvidia-tegra-igx 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-8180-2: Linux kernel (FIPS) 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-8180-2 linux-fips, linux-gcp-fips 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-8179-2 linux-aws-fips, linux-fips, linux-gcp-fips vulnerabilities

Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly verify the signature of CPU microcode. This flaw is known as EntrySign. A privileged attacker could possibly use this issue to cause load malicious CPU microcod...

USN-8184-1: Linux kernel (Real-time) vulnerabilities

Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly verify the signature of CPU microcode. This flaw is known as EntrySign. A privileged attacker could possibly use this issue to cause load malicious CPU microcod...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007607)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007607 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: flush delalloc workers queue before stopping cleaner kthread during unmount During the...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007432)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007432 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: don't drop extentmap for free space inode on write error While running the CI for an...

USN-8180-1 linux, linux-aws, linux-aws-5.15, linux-gcp, linux-gke, linux-gkeop, linux-lowlatency, linux-lowlatency-hwe-5.15, linux-nvidia, linux-oracle 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-8179-1 linux, linux-aws, linux-aws-6.8, linux-gcp, linux-gke, linux-gkeop, linux-ibm, linux-lowlatency, linux-lowlatency-hwe-6.8 vulnerabilities

Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly verify the signature of CPU microcode. This flaw is known as EntrySign. A privileged attacker could possibly use this issue to cause load malicious CPU microcod...

The vulnerability of the btrfs_validate_super() function in the fs/btrfs/disk-io.c file of the Linux kernel’s file system allows a hacker to trigger a service failure.

The vulnerability of the btrfsvalidatesuper function in the fs/btrfs/disk-io.c file of the btrfs file system in Linux kernel is related to incorrect handling of error situations. Exploiting this vulnerability can allow an attacker to cause a service failure...

CVE-2026-23423

A flaw was found in the Linux kernel's btrfs file system. This vulnerability occurs in the btrfsuringreadextent function, where memory allocated for 'pages' is not properly freed when errors occur during read operations. This oversight can lead to resource exhaustion, potentially causing a Denial...

Ubuntu 14.04 LTS / 16.04 LTS : Linux kernel vulnerabilities (USN-8143-1)

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-8143-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update...

USN-8143-2: Linux kernel (FIPS) 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: - Cryptographic API; - GPU drivers; - BTRFS file system; - GFS2 file system; - UDF file system; - NFC subsystem; -...

USN-8143-1 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: - Cryptographic API; - GPU drivers; - BTRFS file system; - GFS2 file system; - UDF file system; - NFC subsystem; -...

The vulnerability of the zlib_compress_folios() function in the fs/btrfs/zlib.c module of the Btrfs file system support in the Linux kernel allows a hacker to cause a service failure.

The vulnerability of the zlibcompressfolios function in the fs/btrfs/zlib.c module of the Btrfs file system support in Linux kernel affects the handling of operations that involve moving data out of the buffer. Exploiting this vulnerability can allow an attacker to cause a service failure...

The vulnerability of the `btrfs_clear_buffer_dirty()` function in the `fs/btrfs/extent_io.c` module of the btrfs file system support module in the Linux operating system allows a attacker to compromise the integrity of protected information or cause service failures.

The vulnerability of the btrfsclearbufferdirty function in the fs/btrfs/extentio.c module of the Btrfs file system support in Linux’s kernel is related to synchronization errors when using shared resources. Exploiting this vulnerability could allow an attacker to compromise the integrity of...

The vulnerability of the btrfs_reduce_alloc_profile() function in the fs/btrfs/block-group.c file of the Linux kernel’s file system allows a attacker to cause a service failure.

The vulnerability of the btrfsreduceallocprofile function in the fs/btrfs/block-group.c file of the btrfs file system in the Linux operating system is related to the distribution of resources without any restrictions or regulation. Exploiting this vulnerability could allow a attacker to cause...

USN-8098-8 linux-azure-fips vulnerabilities

Qualys discovered that several vulnerabilities existed in the AppArmor Linux kernel Security Module LSM. An unprivileged local attacker could use these issues to load, replace, and remove arbitrary AppArmor profiles causing denial of service, exposure of sensitive information kernel memory, local...

USN-8098-8: Linux kernel (Azure FIPS) vulnerabilities

Qualys discovered that several vulnerabilities existed in the AppArmor Linux kernel Security Module LSM. An unprivileged local attacker could use these issues to load, replace, and remove arbitrary AppArmor profiles causing denial of service, exposure of sensitive information kernel memory, local...

USN-8098-7 linux-azure vulnerabilities

Qualys discovered that several vulnerabilities existed in the AppArmor Linux kernel Security Module LSM. An unprivileged local attacker could use these issues to load, replace, and remove arbitrary AppArmor profiles causing denial of service, exposure of sensitive information kernel memory, local...