Janus: Compiler-Based Defense against Transient Execution Attacks Using ARM Hardware Primitives

We present Janus, a compiler-based security framework that mitigates transient execution attacks like Spectre and control-flow hijacking on ARM64 platforms. Janus integrates speculative execution and control flow dependencies with PA modifiers, using PA and BTI microarchitectural features to...

Ubuntu 22.04 LTS / 24.04 LTS / 25.10 : libpng vulnerabilities (USN-8251-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8251-1 advisory. It was discovered that libpng incorrectly handled memory when processing certain PNG files. If a user or automated system were tricke...

Unbreakable Enterprise kernel security update

5.15.0-320.202.8.2 - xfrm: esp: ipv4: fix up flags setting Greg Kroah-Hartman Orabug: 39344515 CVE-2026-43284 - xfrm: esp: avoid in-place decrypt on shared skb frags Kuan-Ting Chen Orabug: 39344515 CVE-2026-43284 5.15.0-320.202.8.1 - x86/CPU/AMD: Add a fix for AMD-SB-7052 Prathyushi Nangia Orabug...

OESA-2026-2234 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: bpf, arm64: Force 8-byte alignment for JIT buffer to prevent atomic tearing struct bpfplt contains a u64 target field. Currently, the BPF JIT allocator requests ...

SUSE CVE-2026-43201

In the Linux kernel, the following vulnerability has been resolved: APEI/GHES: ARM processor Error: don't go past allocated memory If the BIOS generates a very small ARM Processor Error, or an incomplete one, the current logic will fail to deferrence err-sectionlength and ctxinfo-size Add checks ...

Important: kernel-livepatch-6.1.170-208.319

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: xfrm: esp: avoid in-place decrypt on shared skb frags "Dirty Frag" and other issues in Amazon Linux kernels: https://aws.amazon.com/security/security-bulletins/2026-027-aws/ CVE-2026-43284 Affected Packages:...

Unbreakable Enterprise kernel security update: Dirty Frag

5.15.0-319.201.4.6 - xfrm: esp: ipv4: fix up flags setting Greg Kroah-Hartman Orabug: 39342679 CVE-2026-43284 - xfrm: esp: avoid in-place decrypt on shared skb frags Kuan-Ting Chen Orabug: 39342679 CVE-2026-43284 5.15.0-319.201.4.5 - iommu/arm-smmu-v3: Handle zeroed A4-2C HTTU override settings...

EUVD-2026-28657

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Eagerly init vgic dist/redist on vgic creation If vgicallocateprivateirqslocked fails for any odd reason, we exit kvmvgiccreate early, leaving dist-rdregions uninitialised. kvmvgicdistdestroy then comes along and walk...

CVE-2026-43351 KVM: arm64: Eagerly init vgic dist/redist on vgic creation

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Eagerly init vgic dist/redist on vgic creation If vgicallocateprivateirqslocked fails for any odd reason, we exit kvmvgiccreate early, leaving dist-rdregions uninitialised. kvmvgicdistdestroy then comes along and walk...

CVE-2026-43351 KVM: arm64: Eagerly init vgic dist/redist on vgic creation

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Eagerly init vgic dist/redist on vgic creation If vgicallocateprivateirqslocked fails for any odd reason, we exit kvmvgiccreate early, leaving dist-rdregions uninitialised. kvmvgicdistdestroy then comes along and walk...

CVE-2026-43351

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Eagerly init vgic dist/redist on vgic creation If vgicallocateprivateirqslocked fails for any odd reason, we exit kvmvgiccreate early, leaving dist-rdregions uninitialised. kvmvgicdistdestroy then comes along and walk...

CVE-2026-43347

In the Linux kernel, the following vulnerability has been resolved: arm64: dts: qcom: monaco: Reserve full Gunyah metadata region We observe spurious "Synchronous External Abort" exceptions ESR=0x96000010 and kernel crashes on Monaco-based platforms. These faults are caused by the kernel...

CVE-2026-43347 arm64: dts: qcom: monaco: Reserve full Gunyah metadata region

In the Linux kernel, the following vulnerability has been resolved: arm64: dts: qcom: monaco: Reserve full Gunyah metadata region We observe spurious "Synchronous External Abort" exceptions ESR=0x96000010 and kernel crashes on Monaco-based platforms. These faults are caused by the kernel...

SUSE CVE-2026-43150

In the Linux kernel, the following vulnerability has been resolved: perf/arm-cmn: Reject unsupported hardware configurations So far we've been fairly lax about accepting both unknown CMN models at least with a warning, and unknown revisions of those which we do know, as although things do...

Oracle Linux 9 : libpng (ELSA-2026-14791)

The remote Oracle Linux 9 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-14791 advisory. 2:1.6.37-12.3 - fix CVE-2026-33636: out-of-bounds R/W in the palette expansion on ARM Neon RHEL-161291 Tenable has extracted the preceding description block...

USN-8251-1: libpng vulnerabilities

It was discovered that libpng incorrectly handled memory when processing certain PNG files. If a user or automated system were tricked into opening a specially crafted PNG file, an attacker could use this issue to cause libpng to crash, resulting in a denial of service, or possibly execute...

USN-8251-1 libpng1.6 vulnerabilities

It was discovered that libpng incorrectly handled memory when processing certain PNG files. If a user or automated system were tricked into opening a specially crafted PNG file, an attacker could use this issue to cause libpng to crash, resulting in a denial of service, or possibly execute...

libpng: libpng: Information disclosure and denial of service via out-of-bounds read/write in Neon palette expansion

A flaw was found in libpng. A remote attacker could exploit an out-of-bounds read and write vulnerability in the ARM/AArch64 Neon-optimized palette expansion path. This occurs when processing a final partial chunk of 8-bit paletted rows without verifying sufficient input pixels, leading to...

APEI/GHES: ARM processor Error: don't go past allocated memory

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SUSE CVE-2026-43266

In the Linux kernel, the following vulnerability has been resolved: EFI/CPER: don't go past the ARM processor CPER record buffer There's a logic inside GHES/CPER to detect if the sectionlength is too small, but it doesn't detect if it is too big. Currently, if the firmware receives an ARM process...