CVE-2024-50193 x86/entry_32: Clear CPU buffers after register restore in NMI return

In the Linux kernel, the following vulnerability has been resolved: x86/entry32: Clear CPU buffers after register restore in NMI return CPU buffers are currently cleared after call to excnmi, but before register state is restored. This may be okay for MDS mitigation but not for RDFS. Because RDFS...

Unbreakable Enterprise kernel security update

5.15.0-210.163.7 - crypto: qat - specify firmware files for 402xx Giovanni Cabiddu Orabug: 37030280 5.15.0-210.163.6 - Revert 'Fix userfaultfdapi to return EINVAL as expected' Vijayendra Suman Orabug: 37004422 5.15.0-210.163.5 - Revert 'bpf: Allow reads from uninit stack' Vijayendra Suman Orabug:...

CVE-2021-47588

In the Linux kernel, the following vulnerability has been resolved: sit: do not call ipip6devfree from sitinitnet ipip6devfree is sit dev-privdestructor, already called by registernetdevice if something goes wrong. Alternative would be to make ipip6devfree robust against multiple invocations, but...

CVE-2021-47430

In the Linux kernel, the following vulnerability has been resolved: x86/entry: Clear X86FEATURESMAP when CONFIGX86SMAP=n Commit 3c73b81a9164 "x86/entry, selftests: Further improve user entry sanity checks" added a warning if AC is set when in the kernel. Commit 662a0221893a3d "x86/entry: Fix AC...

CVE-2021-47430

In the Linux kernel, the following vulnerability has been resolved: x86/entry: Clear X86FEATURESMAP when CONFIGX86SMAP=n Commit 3c73b81a9164 "x86/entry, selftests: Further improve user entry sanity checks" added a warning if AC is set when in the kernel. Commit 662a0221893a3d "x86/entry: Fix AC...

UBUNTU-CVE-2021-47430

In the Linux kernel, the following vulnerability has been resolved: x86/entry: Clear X86FEATURESMAP when CONFIGX86SMAP=n Commit 3c73b81a9164 "x86/entry, selftests: Further improve user entry sanity checks" added a warning if AC is set when in the kernel. Commit 662a0221893a3d "x86/entry: Fix AC...

CVE-2021-47430 x86/entry: Clear X86_FEATURE_SMAP when CONFIG_X86_SMAP=n

In the Linux kernel, the following vulnerability has been resolved: x86/entry: Clear X86FEATURESMAP when CONFIGX86SMAP=n Commit 3c73b81a9164 "x86/entry, selftests: Further improve user entry sanity checks" added a warning if AC is set when in the kernel. Commit 662a0221893a3d "x86/entry: Fix AC...

CVE-2021-47430

In the Linux kernel, the following vulnerability has been resolved: x86/entry: Clear X86FEATURESMAP when CONFIGX86SMAP=n Commit 3c73b81a9164 "x86/entry, selftests: Further improve user entry sanity checks" added a warning if AC is set when in the kernel. Commit 662a0221893a3d "x86/entry: Fix AC...

CVE-2021-47430 x86/entry: Clear X86_FEATURE_SMAP when CONFIG_X86_SMAP=n

In the Linux kernel, the following vulnerability has been resolved: x86/entry: Clear X86FEATURESMAP when CONFIGX86SMAP=n Commit 3c73b81a9164 "x86/entry, selftests: Further improve user entry sanity checks" added a warning if AC is set when in the kernel. Commit 662a0221893a3d "x86/entry: Fix AC...

CVE-2021-47430

CVE-2021-47430 concerns a Linux kernel issue related to SMAP handling on x86. The vulnerability arises in x86/entry where the OS may warn when AC is active in user mode, even if SMAP is disabled or partially disabled, leading to a conditional warning that could fire on machines that support SMAP ...

CVE-2021-47430: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: x86/entry: Clear X86FEATURESMAP when CONFIGX86SMAP=n Commit 3c73b81a9164 "x86/entry, selftests: Further improve user entry sanity checks" added a warning if AC is set when in the kernel. Commit 662a0221893a3d "x86/entry: Fix AC...

GSD-2022-1007042 x86/entry: Work around Clang __bdos() bug

x86/entry: Work around Clang bdos bug This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.15.75 by commit 066b1302f2a9f07d268da73ef5557b886d4dee2...

CVE-2018-14678: Improper Initialization

An issue was discovered in the Linux kernel through 4.17.11, as used in Xen through 4.11.x. The xenfailsafecallback entry point in arch/x86/entry/entry64.S does not properly maintain RBX, which allows local users to cause a denial of service uninitialized memory usage and system crash. Within Xen...

CVE-2015-3291: Undefined Security Weakness

arch/x86/entry/entry64.S in the Linux kernel before 4.1.6 on the x8664 platform does not properly determine when nested NMI processing is occurring, which allows local users to cause a denial of service skipped NMI by modifying the rsp register, issuing a syscall instruction, and triggering an NM...

CVE-2015-5157: Undefined Security Weakness

arch/x86/entry/entry64.S in the Linux kernel before 4.1.6 on the x8664 platform mishandles IRET faults in processing NMIs that occurred during userspace execution, which might allow local users to gain privileges by triggering an NMI...

CVE-2015-3290: Undefined Security Weakness

arch/x86/entry/entry64.S in the Linux kernel before 4.1.6 on the x8664 platform improperly relies on espfix64 during nested NMI processing, which allows local users to gain privileges by triggering an NMI within a certain instruction window...

Linux kernel 'x86/entry/entry_64.S' local security bypass vulnerability

The Linux kernel is the kernel used by the operating system Linux, released by the Linux Foundation in the United States. A local security bypass vulnerability exists in the Linux kernel. An attacker could exploit this vulnerability to bypass security restrictions and perform unauthorized...