CVE-2025-39903

In the Linux kernel, the following vulnerability has been resolved: ofnuma: fix uninitialized memory nodes causing kernel panic When there are memory-only nodes nodes without CPUs, these nodes are not properly initialized, causing kernel panic during boot. ofnumainit ofnumaparsecpunodes nodesetni...

UBUNTU-CVE-2025-39903

In the Linux kernel, the following vulnerability has been resolved: ofnuma: fix uninitialized memory nodes causing kernel panic When there are memory-only nodes nodes without CPUs, these nodes are not properly initialized, causing kernel panic during boot. ofnumainit ofnumaparsecpunodes nodesetni...

CVE-2025-39904 arm64: kexec: initialize kexec_buf struct in load_other_segments()

In the Linux kernel, the following vulnerability has been resolved: arm64: kexec: initialize kexecbuf struct in loadothersegments Patch series "kexec: Fix invalid field access". The kexecbuf structure was previously declared without initialization. commit bf454ec31add "kexecfile: allow to place...

CVE-2025-39904

Summary: The CVE-2025-39904 issue affects the Linux kernel’s kexec path for arm64 (and riscv per the patch set). A kexec_buf structure was previously declared without full initialization, and a field added by a prior patch could be read uninitialized on some architectures, triggering UBSAN invali...

CVE-2025-39904 arm64: kexec: initialize kexec_buf struct in load_other_segments()

In the Linux kernel, the following vulnerability has been resolved: arm64: kexec: initialize kexecbuf struct in loadothersegments Patch series "kexec: Fix invalid field access". The kexecbuf structure was previously declared without initialization. commit bf454ec31add "kexecfile: allow to place...

CVE-2025-39904 arm64: kexec: initialize kexec_buf struct in load_other_segments()

In the Linux kernel, the following vulnerability has been resolved: arm64: kexec: initialize kexecbuf struct in loadothersegments Patch series "kexec: Fix invalid field access". The kexecbuf structure was previously declared without initialization. commit bf454ec31add "kexecfile: allow to place...

PT-2025-40077

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.17.0-rc1-00001-gabb4b3daf18c-dirty Description The Linux kernel contained a flaw where memory-only nodes nodes without CPUs were not properly initialized. This resulted in a kernel panic during boot when the...

Ubuntu 20.04 LTS : Linux kernel (Oracle) vulnerabilities (USN-7776-1)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7776-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in...

Ubuntu 22.04 LTS : Linux kernel (Azure FIPS) vulnerabilities (USN-7775-1)

The remote Ubuntu 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7775-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in...

USN-7767-2 linux-realtime-6.8 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: - ARM32 architecture; - ARM64 architecture; - x86 architecture; - Compute Acceleration Framework; - Bus devices; - AM...

USN-7779-1 linux-ibm, linux-ibm-6.8 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: - ARM32 architecture; - ARM64 architecture; - x86 architecture; - Compute Acceleration Framework; - Bus devices; - AM...

USN-7774-1: 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: - ARM64 architecture; - PowerPC architecture; - x86 architecture; - ACPI drivers; - Serial ATA and Parallel ATA...

USN-7776-1 linux-oracle-5.15 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; - PowerPC architecture; - x86 architecture; - ACPI drivers; - Serial ATA and Parallel ATA...

USN-7774-3: Linux kernel (Real-time) 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; - PowerPC architecture; - x86 architecture; - ACPI drivers; - Serial ATA and Parallel ATA...

USN-7774-3 linux-intel-iot-realtime, linux-realtime 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; - PowerPC architecture; - x86 architecture; - ACPI drivers; - Serial ATA and Parallel ATA...

Ubuntu Pro 24.04 LTS Realtime Kernel : Linux kernel (Real-time) vulnerabilities (USN-7767-1)

"The remote Ubuntu Pro 24.04 LTS Realtime Kernel host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7767-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This...

USN-7769-2 linux-realtime-6.14 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; - PowerPC architecture; - x86 architecture; - Block layer subsystem; - Cryptographic API; - ACP...

USN-7769-2: Linux kernel (Real-time) 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; - PowerPC architecture; - x86 architecture; - Block layer subsystem; - Cryptographic API; - ACP...

USN-7771-1 linux-oem-6.14 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; - PowerPC architecture; - x86 architecture; - Block layer subsystem; - Cryptographic API; - ACP...

USN-7770-1 linux-azure 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; - PowerPC architecture; - x86 architecture; - Block layer subsystem; - Cryptographic API; - ACP...