CVE-2022-50674 riscv: vdso: fix NULL deference in vdso_join_timens() when vfork

In the Linux kernel, the following vulnerability has been resolved: riscv: vdso: fix NULL deference in vdsojointimens when vfork Testing tools/testing/selftests/timens/vforkexec.c got below kernel log: 6.838454 Unable to handle kernel access to user memory without uaccess routines at virtual...

CVE-2022-50674

CVE-2022-50674 affects the Linux kernel riscv architecture, specifically a NULL dereference in vdso_join_timens() during vfork. The issue manifests as kernel Oops with timens_commit/timens_on_fork traces when setting up vdso for a new process, as shown in the provided logs. The root cause is desc...

CVE-2022-50657 riscv: mm: add missing memcpy in kasan_init

In the Linux kernel, the following vulnerability has been resolved: riscv: mm: add missing memcpy in kasaninit Hi Atish, It seems that the panic is due to the missing memcpy during kasaninit. Could you please check whether this patch is helpful? When doing kasanpopulate, the new allocated...

CVE-2022-50657

Summary: CVE-2022-50657 pertains to the Linux kernel on riscv where a missing memcpy in kasan_init caused a panic during kasan_populate. The fix adds the missing memcpy so that newly allocated base_pud/base_p4d regions copy in kasan_early_shadow_pud/p4d contents, preventing page faults when readi...

CVE-2022-50657

In the Linux kernel, the following vulnerability has been resolved: riscv: mm: add missing memcpy in kasaninit Hi Atish, It seems that the panic is due to the missing memcpy during kasaninit. Could you please check whether this patch is helpful? When doing kasanpopulate, the new allocated...

CVE-2022-50657 riscv: mm: add missing memcpy in kasan_init

In the Linux kernel, the following vulnerability has been resolved: riscv: mm: add missing memcpy in kasaninit Hi Atish, It seems that the panic is due to the missing memcpy during kasaninit. Could you please check whether this patch is helpful? When doing kasanpopulate, the new allocated...

DEBIAN-CVE-2022-50647

In the Linux kernel, the following vulnerability has been resolved: RISC-V: Make port I/O string accessors actually work Fix port I/O string accessors such as insb', outsb', etc. which use the physical PCI port I/O address rather than the corresponding memory mapping to get at the requested...

CVE-2022-50631

In the Linux kernel, the following vulnerability has been resolved: RISC-V: kexec: Fix memory leak of fdt buffer This is reported by kmemleak detector: unreferenced object 0xff60000082864000 size 9588: comm "kexec", pid 146, jiffies 4294900634 age 64.788s hex dump first 32 bytes: d0 0d fe ed 00 0...

CVE-2022-50647 RISC-V: Make port I/O string accessors actually work

In the Linux kernel, the following vulnerability has been resolved: RISC-V: Make port I/O string accessors actually work Fix port I/O string accessors such as insb', outsb', etc. which use the physical PCI port I/O address rather than the corresponding memory mapping to get at the requested...

CVE-2022-50647

In the Linux kernel, the following vulnerability has been resolved: RISC-V: Make port I/O string accessors actually work Fix port I/O string accessors such as insb', outsb', etc. which use the physical PCI port I/O address rather than the corresponding memory mapping to get at the requested...

CVE-2022-50657: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: riscv: mm: add missing memcpy in kasaninit Hi Atish, It seems that the panic is due to the missing memcpy during kasaninit. Could you please check whether this patch is helpful? When doing kasanpopulate, the new allocated...

CVE-2022-50674: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: riscv: vdso: fix NULL deference in vdsojointimens when vfork Testing tools/testing/selftests/timens/vforkexec.c got below kernel log: 6.838454 Unable to handle kernel access to user memory without uaccess routines at virtual...

PT-2025-49705

In the Linux kernel, the following vulnerability has been resolved: riscv: vdso: fix NULL deference in vdso join timens when vfork Testing tools/testing/selftests/timens/vfork exec.c got below kernel log: 6.838454 Unable to handle kernel access to user memory without uaccess routines at virtual...

CVE-2022-50631 RISC-V: kexec: Fix memory leak of fdt buffer

In the Linux kernel, the following vulnerability has been resolved: RISC-V: kexec: Fix memory leak of fdt buffer This is reported by kmemleak detector: unreferenced object 0xff60000082864000 size 9588: comm "kexec", pid 146, jiffies 4294900634 age 64.788s hex dump first 32 bytes: d0 0d fe ed 00 0...

CVE-2022-50631

CVE-2022-50631 describes a memory-leak in the Linux kernel (RISC-V kexec path) where a buffer used to store the FDT is allocated with kvmalloc in elf_kexec_load but not freed when kexec is reloaded or unloaded. The root cause is a leak of the FDT buffer; a RISCV-specific cleanup function arch_kim...

CVE-2022-50631 RISC-V: kexec: Fix memory leak of fdt buffer

In the Linux kernel, the following vulnerability has been resolved: RISC-V: kexec: Fix memory leak of fdt buffer This is reported by kmemleak detector: unreferenced object 0xff60000082864000 size 9588: comm "kexec", pid 146, jiffies 4294900634 age 64.788s hex dump first 32 bytes: d0 0d fe ed 00 0...

The vulnerability of the `handle_kernel_stack_overflow()` function in the `arch/riscv/include/asm/asm-prototypes.h` header on RISC-V architecture-based Linux operating system processors allows a hacker to trigger a service failure.

The vulnerability of the handlekernelstackoverflow function in the arch/riscv/include/asm/asm-prototypes.h header on RISC-V architecture processors in Linux operating systems is related to an uncontrolled recursion. Exploiting this vulnerability could allow an attacker to cause a system failure...

The vulnerability of the free_pte_table() function in the arch/riscv/mm/init.c module on RISC-V architecture processors in Linux operating systems allows a hacker to cause a service failure.

The vulnerability of the freeptetable function in the arch/riscv/mm/init.c module on RISC-V architecture processors in Linux operating systems is related to pointer manipulation. Exploiting this vulnerability could allow an attacker to cause a service failure...

USN-7910-2: Linux kernel (Azure) 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-7910-1: Linux kernel (Azure FIPS) 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...