USN-7909-4 linux-gcp, linux-gke, linux-gkeop vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM32 architecture; - ARM64 architecture; - MIPS architecture; - PowerPC architecture; - RISC-V architecture; - S39...

USN-7909-2 linux-intel-iot-realtime, linux-realtime vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM32 architecture; - ARM64 architecture; - MIPS architecture; - PowerPC architecture; - RISC-V architecture; - S39...

CLSA-2025-1763989962 Fix of 8 CVEs

CVE-url: https://ubuntu.com/security/CVE-2025-38352 - posix-cpu-timers: fix race between handleposixcputimers and posixcputimerdel CVE-url: https://ubuntu.com/security/CVE-2022-25265 - x86/elf: Add table to document READIMPLIESEXEC - x86/elf: Split READIMPLIESEXEC from executable PTGNUSTACK -...

CLSA-2025-1763734783 kernel: Fix of 64 CVEs

media: bttv: fix use after free error due to btv-timeout timer CVE-2023-52847 - firmware: armscpi: Ensure scpiinfo is not assigned if the probe fails CVE-2022-50087 - wifi: mwifiex: Fix OOB and integer underflow when rx packets CVE-2023-53226 - vsock: Fix transport TOCTOU CVE-2025-38461 - ALSA:...

CVE-2025-40122

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel: Fix IA32PMCxCFGB MSRs access error When running perffuzzer on PTL, sometimes the below "unchecked MSR access error" is seen when accessing IA32PMCxCFGB MSRs. 55.611268 unchecked MSR access error: WRMSR to 0x1986...

EUVD-2025-124961

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel: Fix IA32PMCxCFGB MSRs access error When running perffuzzer on PTL, sometimes the below "unchecked MSR access error" is seen when accessing IA32PMCxCFGB MSRs. 55.611268 unchecked MSR access error: WRMSR to 0x1986...

CVE-2025-40122

CVE-2025-40122 relates to the Linux kernel perf_x86/intel PMU and the IA32_PMC_x_CFG_B MSR access error observed on PTL. The issue arises when configuring ACR (auto counter reload) masks via perf events: an incorrect check in intel_pmu_acr_late_setup() lets an invalid ACR counter mask be written ...

CVE-2025-40122

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel: Fix IA32PMCxCFGB MSRs access error When running perffuzzer on PTL, sometimes the below "unchecked MSR access error" is seen when accessing IA32PMCxCFGB MSRs. 55.611268 unchecked MSR access error: WRMSR to 0x1986...

CVE-2025-40122 perf/x86/intel: Fix IA32_PMC_x_CFG_B MSRs access error

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel: Fix IA32PMCxCFGB MSRs access error When running perffuzzer on PTL, sometimes the below "unchecked MSR access error" is seen when accessing IA32PMCxCFGB MSRs. 55.611268 unchecked MSR access error: WRMSR to 0x1986...

EulerOS 2.0 SP12 : kernel (EulerOS-SA-2025-2330)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : tracing: Add downwritetraceeventsem when adding trace eventCVE-2025-38539 tipc: fix null-ptr-deref when acquiring remote ip of ethernet...

Linux Distros Unpatched Vulnerability : CVE-2025-40122

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel: Fix IA32PMCxCFGB MSRs access error When running perffuzzer on PTL, sometimes...

kernel: perf/x86/intel: Fix crash in icl_update_topdown_event()

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel: Fix crash in iclupdatetopdownevent The perffuzzer found a hard-lockup crash on a RaptorLake machine: Oops: general protection fault, maybe for address 0xffff89aeceab400: 0000 CPU: 23 UID: 0 PID: 0 Comm: swapper/23...

kernel: bpf: Fix UAF via mismatching bpf_prog/attachment RCU flavors

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix UAF via mismatching bpfprog/attachment RCU flavors Uprobes always use bpfprogrunarrayuprobe under tasks-trace-RCU protection. But it is possible to attach a non-sleepable BPF program to a uprobe, and non-sleepable BPF...

kernel: perf/x86/intel: Fix crash in icl_update_topdown_event()

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel: Fix crash in iclupdatetopdownevent The perffuzzer found a hard-lockup crash on a RaptorLake machine: Oops: general protection fault, maybe for address 0xffff89aeceab400: 0000 CPU: 23 UID: 0 PID: 0 Comm: swapper/23...

kernel: bpf: Fix UAF via mismatching bpf_prog/attachment RCU flavors

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix UAF via mismatching bpfprog/attachment RCU flavors Uprobes always use bpfprogrunarrayuprobe under tasks-trace-RCU protection. But it is possible to attach a non-sleepable BPF program to a uprobe, and non-sleepable BPF...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990605)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990605 advisory. In the Linux kernel, the following vulnerability has been resolved: perf: Fix list corruption in perfcgroupswitch There's list corruption on cgrpcpuctxlist. This...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990473)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990473 advisory. In the Linux kernel, the following vulnerability has been resolved: perf/core: Bail out early if the request AUX area is out of bound When perf-record with a large A...

Unity Linux 20.1050e Security Update: kernel (UTSA-2025-989946)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989946 advisory. In the Linux kernel, the following vulnerability has been resolved: perf/core: Bail out early if the request AUX area is out of bound When perf-record with a large A...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989384)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989384 advisory. In the Linux kernel, the following vulnerability has been resolved: perf: Fix list corruption in perfcgroupswitch There's list corruption on cgrpcpuctxlist. This...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989299)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989299 advisory. In the Linux kernel, the following vulnerability has been resolved: perf/x86/amd: fix potential integer overflow on shift of a int The left shift of int 32 bit integ...