kernel security update

5.14.0-427.40.14.OL9 - Disable UKI signing Orabug: 36571828 - Update Oracle Linux certificates Kevin Lyons - Disable signing for aarch64 Ilya Okomin - Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list olkmodsigningkey.pem Orabug: 29539237 - Update x509.genkey Orabug:...

PT-2024-34027

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A vulnerability in the Linux kernel has been resolved, related to the x86/entry 32 component. The issue involves the clearing of CPU buffers after register restoration in NMI return...

CVE-2024-46848

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel: Limit the period on Haswell Running the ltp test cve-2015-3290 concurrently reports the following warnings. perfevents: irq loop stuck! WARNING: CPU: 31 PID: 32438 at arch/x86/events/intel/core.c:3174...

CVE-2024-46848 perf/x86/intel: Limit the period on Haswell

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel: Limit the period on Haswell Running the ltp test cve-2015-3290 concurrently reports the following warnings. perfevents: irq loop stuck! WARNING: CPU: 31 PID: 32438 at arch/x86/events/intel/core.c:3174...

CVE-2024-46848 perf/x86/intel: Limit the period on Haswell

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel: Limit the period on Haswell Running the ltp test cve-2015-3290 concurrently reports the following warnings. perfevents: irq loop stuck! WARNING: CPU: 31 PID: 32438 at arch/x86/events/intel/core.c:3174...

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 the use of nmienter/nmiexit in the powerpc module when handling real-time mode interrupts, which may cause t...

PT-2024-10460

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue is related to the powerpc component of the Linux kernel, where the nmi enter and nmi exit functions touch per CPU variables, potentially leading to a kernel crash when invoked...

CVE-2023-45288 affecting package nmi for versions less than 1.8.17-3

CVE-2023-45288 affecting package nmi for versions less than 1.8.17-3. A patched version of the package is available...

CVE-2024-39483

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: WARN on vNMI + NMI window iff NMIs are outright masked When requesting an NMI window, WARN on vNMI support being enabled if and only if NMIs are actually masked, i.e. if the vCPU is already handling an NMI. KVM's ABI fo...

CVE-2024-39483 KVM: SVM: WARN on vNMI + NMI window iff NMIs are outright masked

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: WARN on vNMI + NMI window iff NMIs are outright masked When requesting an NMI window, WARN on vNMI support being enabled if and only if NMIs are actually masked, i.e. if the vCPU is already handling an NMI. KVM's ABI fo...

CVE-2024-39483 KVM: SVM: WARN on vNMI + NMI window iff NMIs are outright masked

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: WARN on vNMI + NMI window iff NMIs are outright masked When requesting an NMI window, WARN on vNMI support being enabled if and only if NMIs are actually masked, i.e. if the vCPU is already handling an NMI. KVM's ABI fo...

CVE-2024-39483

CVE-2024-39483 concerns the Linux kernel KVM: SVM path where a WARN is emitted when requesting an NMI window if NMIs are masked, specifically when the vCPU is already handling an NMI. The issue hinges on the interaction between vNMI and the NMI window/pending/blocked flags: KVM injects one NMI an...

CVE-2024-39483: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: WARN on vNMI + NMI window iff NMIs are outright masked When requesting an NMI window, WARN on vNMI support being enabled if and only if NMIs are actually masked, i.e. if the vCPU is already handling an NMI. KVM's ABI fo...

CVE-2023-44487 affecting package nmi for versions less than 1.8.7-14

CVE-2023-44487 affecting package nmi for versions less than 1.8.7-14. This CVE either no longer is or was never applicable...

CVE-2023-45288 affecting package nmi for versions less than 1.8.17-2

CVE-2023-45288 affecting package nmi for versions less than 1.8.17-2. A patched version of the package is available...

SUSE CVE-2021-47429

In the Linux kernel, the following vulnerability has been resolved: powerpc/64s: Fix unrecoverable MCE calling async handler from NMI The machine check handler is not considered NMI on 64s. The early handler is the true NMI handler, and then it schedules the machinecheckexception handler to run...

CVE-2021-47512 net/sched: fq_pie: prevent dismantle issue

In the Linux kernel, the following vulnerability has been resolved: net/sched: fqpie: prevent dismantle issue For some reason, fqpiedestroy did not copy working code from piedestroy and other qdiscs, thus causing elusive bug. Before calling deltimersync&q-adapttimer, we need to ensure timer will...

PT-2024-7622

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The vulnerability is related to the KVM: SVM: WARN on vNMI + NMI window iff NMIs are outright masked. When requesting an NMI window, the system warns on vNMI support being enabled if and...

CVE-2021-47429

In the Linux kernel, the following vulnerability has been resolved: powerpc/64s: Fix unrecoverable MCE calling async handler from NMI The machine check handler is not considered NMI on 64s. The early handler is the true NMI handler, and then it schedules the machinecheckexception handler to run...

CVE-2021-47429

In the Linux kernel, the following vulnerability has been resolved: powerpc/64s: Fix unrecoverable MCE calling async handler from NMI The machine check handler is not considered NMI on 64s. The early handler is the true NMI handler, and then it schedules the machinecheckexception handler to run...