CVE-2026-64082 riscv: Fix register corruption from uninitialized cregs on error

In the Linux kernel, the following vulnerability has been resolved: riscv: Fix register corruption from uninitialized cregs on error compatriscvgprset calls cregstoregs unconditionally, even when userregsetcopyin fails. Since cregs is an uninitialized stack variable, a copyin failure causes...

CVE-2026-64082

The CVE-2026-64082 issue affects the Linux kernel on riscv where uninitialized cregs data could be written to a task’s pt_regs during error paths. Specifically, compat_riscv_gpr_set() and compat_restore_sigcontext() call cregs_to_regs() unconditionally, even when user_regset_copyin() or __copy_fr...

CVE-2026-64082 riscv: Fix register corruption from uninitialized cregs on error

In the Linux kernel, the following vulnerability has been resolved: riscv: Fix register corruption from uninitialized cregs on error compatriscvgprset calls cregstoregs unconditionally, even when userregsetcopyin fails. Since cregs is an uninitialized stack variable, a copyin failure causes...

PT-2026-61399

In the Linux kernel, the following vulnerability has been resolved: riscv: Fix register corruption from uninitialized cregs on error compat riscv gpr set calls cregs to regs unconditionally, even when user regset copyin fails. Since cregs is an uninitialized stack variable, a copyin failure cause...

CVE-2026-53032

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix NULL deref in mapkptrmatchtype for scalar regs Commit ab6c637ad027 "bpf: Fix a bpfkptrxchg issue with local kptr" refactored mapkptrmatchtype to branch on btfiskernel before checking basetype. A scalar register stored in...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fixed an issue where engid could be negative, causing the streamenc regs array to be indexed out of bounds. The variable engid is used directly as an index into the streamenc regs array, which has only 5 elements...

Linux Distros Unpatched Vulnerability : CVE-2026-46263

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - drm/amd/display: Fix out-of-bounds stream encoder index v3 engid can be negative and that streamencregs can be indexed out of bounds. engid is used directly as ...

CVE-2026-45933 bpf: Preserve id of register in sync_linked_regs()

In the Linux kernel, the following vulnerability has been resolved: bpf: Preserve id of register in synclinkedregs synclinkedregs copies the id of knownreg to reg when propagating bounds of knownreg to reg using the off of knownreg, but when knownreg was linked to reg like: knownreg = reg ; both...

CVE-2026-45933 bpf: Preserve id of register in sync_linked_regs()

In the Linux kernel, the following vulnerability has been resolved: bpf: Preserve id of register in synclinkedregs synclinkedregs copies the id of knownreg to reg when propagating bounds of knownreg to reg using the off of knownreg, but when knownreg was linked to reg like: knownreg = reg ; both...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the synclinked regs function in bpf. When this function copies the id of knownreg, it may cause a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: stmmac: dwmac-rk: fix oob read in rkgmacsetup KASAN reports an out-of-bounds read in rkgmacsetup at the following line: while ops-regsi This issue occurs on most platforms, as the regs field in the flexible array is empty...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Security issue: Restrict CONFIGZEROCALLUSEDREGS to gcc or clang version 15.0.6. A bug in clang’s implementation of -fzero-call-used-regs can lead to NULL pointer dereferences see the links above the check for more information...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Fixed the calculation of the base address in the function kvmeiointc regsaccess. In the function kvmeiointc regsaccess, the base address of the register is calculated by adding an offset to the array base address...

CVE-2026-0428

Insufficient parameter sanitization in TEE SOC Driver could allow an attacker to issue a malformed DRVSOCCMDIDSRIOVCOPYVFCHIPLETREGS to write invalid data to a remote Die, potentially resulting in unexpected behavior...

UBUNTU-CVE-2026-43321

In the Linux kernel, the following vulnerability has been resolved: bpf: Properly mark live registers for indirect jumps For a gotox rX instruction the rX register should be marked as used in the computeinsnliveregs function. Fix this...

CVE-2026-31564 LoongArch: KVM: Fix base address calculation in kvm_eiointc_regs_access()

In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Fix base address calculation in kvmeiointcregsaccess In function kvmeiointcregsaccess, the register base address is caculated from array base address plus offset, the offset is absolute value from the base address...

CVE-2026-23425

CVE-2026-23425 (Linux kernel KVM arm64) — The issue stems from non-protected pKVM guests where the hypervisor copies only the KVM_ARCH_FLAG_ID_REGS_INITIALIZED flag from the host to the hypervisor during pkvm_init_features_from_host, while the actual id_regs data are not initialized. This can cau...

CVE-2026-23021

In the Linux kernel, the following vulnerability has been resolved: net: usb: pegasus: fix memory leak in updateethregsasync When asynchronously writing to the device registers and if usbsubmiturb fail, the code fail to release allocated to this point resources...

CVE-2026-23021

In the Linux kernel, the following vulnerability has been resolved: net: usb: pegasus: fix memory leak in updateethregsasync When asynchronously writing to the device registers and if usbsubmiturb fail, the code fail to release allocated to this point resources...

CVE-2026-23021 net: usb: pegasus: fix memory leak in update_eth_regs_async()

In the Linux kernel, the following vulnerability has been resolved: net: usb: pegasus: fix memory leak in updateethregsasync When asynchronously writing to the device registers and if usbsubmiturb fail, the code fail to release allocated to this point resources...