CVE-2023-54173

In the Linux kernel, the following vulnerability has been resolved: bpf: Disable preemption in bpfeventoutput We received report 1 of kernel crash, which is caused by using nesting protection without disabled preemption. The bpfeventoutput can be called by programs executed by bpfprogrunarraycg...

UBUNTU-CVE-2023-54267

In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries: Rework lppacasharedproc to avoid DEBUGPREEMPT lppacasharedproc takes a pointer to the lppaca which is typically accessed through getlppaca. With DEBUGPREEMPT enabled, this leads to checking if preemption is...

UBUNTU-CVE-2023-54173

In the Linux kernel, the following vulnerability has been resolved: bpf: Disable preemption in bpfeventoutput We received report 1 of kernel crash, which is caused by using nesting protection without disabled preemption. The bpfeventoutput can be called by programs executed by bpfprogrunarraycg...

UBUNTU-CVE-2023-54303

In the Linux kernel, the following vulnerability has been resolved: bpf: Disable preemption in bpfperfeventoutput The nesting protection in bpfperfeventoutput relies on disabled preemption, which is guaranteed for kprobes and tracepoints. However bpfperfeventoutput can be also called from uprobes...

CVE-2023-54303

CVE-2023-54303 : Linux kernel vulnerability in bpf_perf_event_output where preemption is mishandled in uprobes context, risking two tasks sharing a perf_sample_data buffer and potential crash. Affected: kernel code path for BPF perf event output; Root cause: nesting protection relies on disabled ...

CVE-2023-54303 bpf: Disable preemption in bpf_perf_event_output

In the Linux kernel, the following vulnerability has been resolved: bpf: Disable preemption in bpfperfeventoutput The nesting protection in bpfperfeventoutput relies on disabled preemption, which is guaranteed for kprobes and tracepoints. However bpfperfeventoutput can be also called from uprobes...

CVE-2023-54303

In the Linux kernel, the following vulnerability has been resolved: bpf: Disable preemption in bpfperfeventoutput The nesting protection in bpfperfeventoutput relies on disabled preemption, which is guaranteed for kprobes and tracepoints. However bpfperfeventoutput can be also called from uprobes...

CVE-2023-54303 bpf: Disable preemption in bpf_perf_event_output

In the Linux kernel, the following vulnerability has been resolved: bpf: Disable preemption in bpfperfeventoutput The nesting protection in bpfperfeventoutput relies on disabled preemption, which is guaranteed for kprobes and tracepoints. However bpfperfeventoutput can be also called from uprobes...

CVE-2023-54267

Technical details for CVE-2023-54267 are not publicly available in the provided documents. The initial entry mentions a Linux kernel fix in powerpc/pseries and lppaca_shared_proc() but does not specify affected products/versions or remediation specifics beyond generic description; monitor for upd...

CVE-2023-54267 powerpc/pseries: Rework lppaca_shared_proc() to avoid DEBUG_PREEMPT

In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries: Rework lppacasharedproc to avoid DEBUGPREEMPT lppacasharedproc takes a pointer to the lppaca which is typically accessed through getlppaca. With DEBUGPREEMPT enabled, this leads to checking if preemption is...

CVE-2023-54267 powerpc/pseries: Rework lppaca_shared_proc() to avoid DEBUG_PREEMPT

In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries: Rework lppacasharedproc to avoid DEBUGPREEMPT lppacasharedproc takes a pointer to the lppaca which is typically accessed through getlppaca. With DEBUGPREEMPT enabled, this leads to checking if preemption is...

CVE-2023-54173

CVE-2023-54173 affects the Linux kernel. A bug in bpf_event_output allowed nesting protection to run with preemption enabled, risking a NULL pointer dereference and kernel crash due to two tasks racing over perf_sample_data. The fix was to disable preemption inside bpf_event_output, preventing co...

CVE-2023-54173 bpf: Disable preemption in bpf_event_output

In the Linux kernel, the following vulnerability has been resolved: bpf: Disable preemption in bpfeventoutput We received report 1 of kernel crash, which is caused by using nesting protection without disabled preemption. The bpfeventoutput can be called by programs executed by bpfprogrunarraycg...

CVE-2023-54173 bpf: Disable preemption in bpf_event_output

In the Linux kernel, the following vulnerability has been resolved: bpf: Disable preemption in bpfeventoutput We received report 1 of kernel crash, which is caused by using nesting protection without disabled preemption. The bpfeventoutput can be called by programs executed by bpfprogrunarraycg...

CVE-2023-54173

In the Linux kernel, the following vulnerability has been resolved: bpf: Disable preemption in bpfeventoutput We received report 1 of kernel crash, which is caused by using nesting protection without disabled preemption. The bpfeventoutput can be called by programs executed by bpfprogrunarraycg...

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 improper access to lppacasharedproc in powerpc/pseries, which could lead to debugging preemption errors...

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 bpfeventoutput function not disabling preemption, which could cause the kernel to crash...

PT-2025-54096

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.5.0-rc3 Description The Linux kernel contains an issue in the powerpc/pseries subsystem related to the lppaca shared proc function. When DEBUG PREEMPT is enabled, accessing the lppaca pointer within this functi...

PT-2025-54002

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel related to the bpf event output function. The issue arises from nesting protection being used without preemption being disabled. This can lead to a kern...

PT-2025-54149

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel related to preemption handling within the bpf perf event output function. The nesting protection in this function relies on disabled preemption, which i...