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...

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 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

CVSS v3.1 Base: 7.8 HIGH, Local vector: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. This entry documents a vulnerability in the Linux kernel where the preemption protection in bpf_perf_event_output is insufficient when invoked from the uprobes context via bpf_prog_run_array_sleepable . The operation can...

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-2023-54267 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

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-2023-54173

Technical details about CVE-2023-54173 are not present in the provided Connected documents. The documents discuss a Linux kernel BPF preemption issue but do not specify products, versions, or fixes. Monitor vendor advisories for updates and remediation.

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...

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...

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-2025-54002

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...

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...

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 disable preemption underrun that could cause multiple tasks to use the same buffer and trigger a crash...

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...

SUSE CVE-2023-54160

In the Linux kernel, the following vulnerability has been resolved: firmware: armsdei: Fix sleep from invalid context BUG Running a preempt-rt v6.2-rc3-rt1 based kernel on an Ampere Altra triggers: BUG: sleeping function called from invalid context at kernel/locking/spinlockrt.c:46 inatomic: 0,...

EUVD-2023-60285

In the Linux kernel, the following vulnerability has been resolved: firmware: armsdei: Fix sleep from invalid context BUG Running a preempt-rt v6.2-rc3-rt1 based kernel on an Ampere Altra triggers: BUG: sleeping function called from invalid context at kernel/locking/spinlockrt.c:46 inatomic: 0,...