CLSA-2024-1729518310 Fix of 15 CVEs

CVE-url: https://ubuntu.com/security/CVE-2024-38632 - vfio/pci: fix potential memory leak in vfiointxenable CVE-url: https://ubuntu.com/security/CVE-2024-46840 - btrfs: clean up our handling of refs == 0 in snapshot delete CVE-url: https://ubuntu.com/security/CVE-2024-44954 - ALSA: line6: Fix rac...

CVE-2024-47744 KVM: Use dedicated mutex to protect kvm_usage_count to avoid deadlock

In the Linux kernel, the following vulnerability has been resolved: KVM: Use dedicated mutex to protect kvmusagecount to avoid deadlock Use a dedicated mutex to guard kvmusagecount to fix a potential deadlock on x86 due to a chain of locks and SRCU synchronizations. Translating the below lockdep...

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 reference counting problem in the CPU nodes of the cpufreq subsystem...

Oracle Linux 9 : kernel (ELSA-2024-6997)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2024-6997 advisory. - ARM: 9359/1: flush: check if the folio is reserved for no-mapping addresses CKI Backport Bot RHEL-42783 CVE-2024-26947 - tty: ngsm: fix possible...

kernel: cpufreq: exit() callback is optional

In the Linux kernel, the following vulnerability has been resolved: cpufreq: exit callback is optional The exit callback is optional and shouldn't be called without checking a valid pointer first. Also, we must clear freqtable pointer even if the exit callback isn't present...

kernel: cppc_cpufreq: Fix possible null pointer dereference

A NULL pointer dereference flaw was found in cppccpufreqgetrate in the Linux kernel. This issue may result in a crash...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 8.8 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

kernel: cpufreq: amd-pstate: fix memory leak on CPU EPP exit

In the Linux kernel, the following vulnerability has been resolved: cpufreq: amd-pstate: fix memory leak on CPU EPP exit The cpudata memory from kzalloc in amdpstateeppcpuinit is not freed in the analogous exit function, so fix that. rjw: Subject and changelog edits...

kernel: cppc_cpufreq: Fix possible null pointer dereference

A NULL pointer dereference flaw was found in cppccpufreqgetrate in the Linux kernel. This issue may result in a crash...

Moderate: Red Hat Security Advisory: kernel-rt security update

An update for kernel-rt is now available for Red Hat Enterprise Linux 9.2 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available fo...

kernel: cppc_cpufreq: Fix possible null pointer dereference

A NULL pointer dereference flaw was found in cppccpufreqgetrate in the Linux kernel. This issue may result in a crash...

kernel: cpufreq: exit() callback is optional

In the Linux kernel, the following vulnerability has been resolved: cpufreq: exit callback is optional The exit callback is optional and shouldn't be called without checking a valid pointer first. Also, we must clear freqtable pointer even if the exit callback isn't present...

PT-2024-33848

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A vulnerability in the Linux kernel has been resolved. The issue is related to the cpufreq cpu get function, which may return NULL. To avoid a NULL-dereference, a check has been added ...

kernel: cpufreq: exit() callback is optional

In the Linux kernel, the following vulnerability has been resolved: cpufreq: exit callback is optional The exit callback is optional and shouldn't be called without checking a valid pointer first. Also, we must clear freqtable pointer even if the exit callback isn't present...

kernel: cpufreq: exit() callback is optional

In the Linux kernel, the following vulnerability has been resolved: cpufreq: exit callback is optional The exit callback is optional and shouldn't be called without checking a valid pointer first. Also, we must clear freqtable pointer even if the exit callback isn't present...

kernel: cppc_cpufreq: Fix possible null pointer dereference

A NULL pointer dereference flaw was found in cppccpufreqgetrate in the Linux kernel. This issue may result in a crash...

SUSE CVE-2024-40997

In the Linux kernel, the following vulnerability has been resolved: cpufreq: amd-pstate: fix memory leak on CPU EPP exit The cpudata memory from kzalloc in amdpstateeppcpuinit is not freed in the analogous exit function, so fix that. rjw: Subject and changelog edits...

AZL-47926 CVE-2024-40997 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: cpufreq: amd-pstate: fix memory leak on CPU EPP exit The cpudata memory from kzalloc in amdpstateeppcpuinit is not freed in the analogous exit function, so fix that. rjw: Subject and changelog edits...

CVE-2024-40997

In the Linux kernel, the following vulnerability has been resolved: cpufreq: amd-pstate: fix memory leak on CPU EPP exit The cpudata memory from kzalloc in amdpstateeppcpuinit is not freed in the analogous exit function, so fix that. rjw: Subject and changelog edits...

CVE-2024-40997

CVE-2024-40997 involves a Linux kernel vulnerability where a memory leak in the amd-pstate cpufreq path was fixed. The issue was that kzalloc() allocated cpudata during amd_pstate_epp_cpu_init() but could not be freed in the corresponding exit path, leading to a leak on CPU EPP exit. The primary ...