CVE-2021-47567

In the Linux kernel, the following vulnerability has been resolved: powerpc/32: Fix hardlockup on vmap stack overflow Since the commit c118c7303ad5 "powerpc/32: Fix vmap stack - Do not activate MMU before reading task struct" a vmap stack overflow results in a hard lockup. This is because...

DEBIAN-CVE-2021-47567

In the Linux kernel, the following vulnerability has been resolved: powerpc/32: Fix hardlockup on vmap stack overflow Since the commit c118c7303ad5 "powerpc/32: Fix vmap stack - Do not activate MMU before reading task struct" a vmap stack overflow results in a hard lockup. This is because...

CVE-2021-47567

In the Linux kernel, the following vulnerability has been resolved: powerpc/32: Fix hardlockup on vmap stack overflow Since the commit c118c7303ad5 "powerpc/32: Fix vmap stack - Do not activate MMU before reading task struct" a vmap stack overflow results in a hard lockup. This is because...

UBUNTU-CVE-2021-47567

In the Linux kernel, the following vulnerability has been resolved: powerpc/32: Fix hardlockup on vmap stack overflow Since the commit c118c7303ad5 "powerpc/32: Fix vmap stack - Do not activate MMU before reading task struct" a vmap stack overflow results in a hard lockup. This is because...

CVE-2021-47567

CVE-2021-47567 describes a Linux kernel vulnerability in the powerpc/32 code where a vmap stack overflow could lead to a hard lockup when the data MMU is not active. The root cause is that emergency_ctx was accessed with a virtual address during MMU inactivity; the fix uses a physical address ins...

CVE-2021-47567 powerpc/32: Fix hardlockup on vmap stack overflow

In the Linux kernel, the following vulnerability has been resolved: powerpc/32: Fix hardlockup on vmap stack overflow Since the commit c118c7303ad5 "powerpc/32: Fix vmap stack - Do not activate MMU before reading task struct" a vmap stack overflow results in a hard lockup. This is because...

CVE-2021-47567 powerpc/32: Fix hardlockup on vmap stack overflow

In the Linux kernel, the following vulnerability has been resolved: powerpc/32: Fix hardlockup on vmap stack overflow Since the commit c118c7303ad5 "powerpc/32: Fix vmap stack - Do not activate MMU before reading task struct" a vmap stack overflow results in a hard lockup. This is because...

PT-2024-8981 · Linux +2 · Linux Kernel +2

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue is related to a hardlockup on vmap stack overflow in the powerpc/32 component of the Linux kernel. This occurs because the emergency ctx is still addressed with its virtual...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a hard lockup during a vmap stack overflow in the powerpc/32 module...

CVE-2021-47567: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: powerpc/32: Fix hardlockup on vmap stack overflow Since the commit c118c7303ad5 "powerpc/32: Fix vmap stack - Do not activate MMU before reading task struct" a vmap stack overflow results in a hard lockup. This is because...

DEBIAN-CVE-2023-52761

In the Linux kernel, the following vulnerability has been resolved: riscv: VMAPSTACK overflow detection thread-safe commit 31da94c25aea "riscv: add VMAPSTACK overflow detection" added support for CONFIGVMAPSTACK. If overflow is detected, CPU switches to shadowstack temporarily before switching...

UBUNTU-CVE-2023-52761

In the Linux kernel, the following vulnerability has been resolved: riscv: VMAPSTACK overflow detection thread-safe commit 31da94c25aea "riscv: add VMAPSTACK overflow detection" added support for CONFIGVMAPSTACK. If overflow is detected, CPU switches to shadowstack temporarily before switching...

CVE-2023-52761

The CVE-2023-52761 entry concerns a Linux kernel vulnerability on riscv where VMAP_STACK overflow detection was made thread-safe. The patch (commit 31da94c25aea) adds support for CONFIG_VMAP_STACK and optimizes overflow handling by directly using the per-cpu overflow_stack, removing the shadow_st...

SUSE CVE-2024-27406

In the Linux kernel, the following vulnerability has been resolved: lib/Kconfig.debug: TESTIOVITER depends on MMU Trying to run the ioviter unit test on a nommu system such as the qemu kc705-nommu emulation results in a crash. KTAP version 1 Subtest: ioviter module: kunitioviter 1..9 BUG: failure...

DEBIAN-CVE-2024-27406

In the Linux kernel, the following vulnerability has been resolved: lib/Kconfig.debug: TESTIOVITER depends on MMU Trying to run the ioviter unit test on a nommu system such as the qemu kc705-nommu emulation results in a crash. KTAP version 1 Subtest: ioviter module: kunitioviter 1..9 BUG: failure...

UBUNTU-CVE-2024-27406

In the Linux kernel, the following vulnerability has been resolved: lib/Kconfig.debug: TESTIOVITER depends on MMU Trying to run the ioviter unit test on a nommu system such as the qemu kc705-nommu emulation results in a crash. KTAP version 1 Subtest: ioviter module: kunitioviter 1..9 BUG: failure...

CVE-2024-27406

In the Linux kernel, the following vulnerability has been resolved: lib/Kconfig.debug: TESTIOVITER depends on MMU Trying to run the ioviter unit test on a nommu system such as the qemu kc705-nommu emulation results in a crash. KTAP version 1 Subtest: ioviter module: kunitioviter 1..9 BUG: failure...

CVE-2024-27406 lib/Kconfig.debug: TEST_IOV_ITER depends on MMU

In the Linux kernel, the following vulnerability has been resolved: lib/Kconfig.debug: TESTIOVITER depends on MMU Trying to run the ioviter unit test on a nommu system such as the qemu kc705-nommu emulation results in a crash. KTAP version 1 Subtest: ioviter module: kunitioviter 1..9 BUG: failure...

CVE-2024-27406

CVE-2024-27406 refers to a Linux kernel issue where the iov_iter unit test (TEST_IOV_ITER) incorrectly depended on MMU, causing a crash on nommu systems (e.g., qemu kc705-nommu) when vmap() is invoked. The root cause is that vmap() is not supported on nommu, leading to a kernel panic. The vulnera...

CVE-2024-27406: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: lib/Kconfig.debug: TESTIOVITER depends on MMU Trying to run the ioviter unit test on a nommu system such as the qemu kc705-nommu emulation results in a crash. KTAP version 1 Subtest: ioviter module: kunitioviter 1..9 BUG: failure...