EUVD-2026-76344

In the Linux kernel, the following vulnerability has been resolved: platform/x86: ISST: Validate logical CPU id and clos id Validate max CLOS ID and logical CPU ID for core power feature. Reject any clos level or logical CPU number greater than the supported maximum. These are used to calculate...

SUSE CVE-2026-64036

In the Linux kernel, the following vulnerability has been resolved: cgroup/rstat: validate cpu before cssrstatcpu access cssrstatupdated is exposed as a BPF kfunc and accepts a caller-provided cpu argument. The function uses cpu for per-cpu rstat lookups without checking whether it refers to a...

CVE-2026-64036

In the Linux kernel, the following vulnerability has been resolved: cgroup/rstat: validate cpu before cssrstatcpu access cssrstatupdated is exposed as a BPF kfunc and accepts a caller-provided cpu argument. The function uses cpu for per-cpu rstat lookups without checking whether it refers to a...

CVE-2026-64036 cgroup/rstat: validate cpu before css_rstat_cpu() access

In the Linux kernel, the following vulnerability has been resolved: cgroup/rstat: validate cpu before cssrstatcpu access cssrstatupdated is exposed as a BPF kfunc and accepts a caller-provided cpu argument. The function uses cpu for per-cpu rstat lookups without checking whether it refers to a...

CVE-2026-64036

In the Linux kernel, the following vulnerability has been resolved: cgroup/rstat: validate cpu before cssrstatcpu access cssrstatupdated is exposed as a BPF kfunc and accepts a caller-provided cpu argument. The function uses cpu for per-cpu rstat lookups without checking whether it refers to a...

EUVD-2026-45609

In the Linux kernel, the following vulnerability has been resolved: cgroup/rstat: validate cpu before cssrstatcpu access cssrstatupdated is exposed as a BPF kfunc and accepts a caller-provided cpu argument. The function uses cpu for per-cpu rstat lookups without checking whether it refers to a...

CVE-2026-64036 cgroup/rstat: validate cpu before css_rstat_cpu() access

In the Linux kernel, the following vulnerability has been resolved: cgroup/rstat: validate cpu before cssrstatcpu access cssrstatupdated is exposed as a BPF kfunc and accepts a caller-provided cpu argument. The function uses cpu for per-cpu rstat lookups without checking whether it refers to a...

PT-2026-61353

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The css rstat updated function, exposed as a BPF kfunc, fails to validate the cpu argument provided by the caller before using it for per-cpu rstat lookups. A BPF iter/cgroup program wit...

Linux Distros Unpatched Vulnerability : CVE-2025-21965

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: schedext: Validate prevcpu in scxbpfselectcpudfl If a BPF scheduler provides an invalid CPU...

CVE-2025-38366 LoongArch: KVM: Check validity of "num_cpu" from user space

In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Check validity of "numcpu" from user space The maximum supported cpu number is EIOINTCROUTEMAXVCPUS about irqchip EIOINTC, here add validation about cpu number to avoid array pointer overflow...

CVE-2025-21965

In the Linux kernel, the following vulnerability has been resolved: schedext: Validate prevcpu in scxbpfselectcpudfl If a BPF scheduler provides an invalid CPU outside the nrcpuids range as prevcpu to scxbpfselectcpudfl it can cause a kernel crash. To prevent this, validate prevcpu in...

DEBIAN-CVE-2025-21965

In the Linux kernel, the following vulnerability has been resolved: schedext: Validate prevcpu in scxbpfselectcpudfl If a BPF scheduler provides an invalid CPU outside the nrcpuids range as prevcpu to scxbpfselectcpudfl it can cause a kernel crash. To prevent this, validate prevcpu in...

UBUNTU-CVE-2025-21965

In the Linux kernel, the following vulnerability has been resolved: schedext: Validate prevcpu in scxbpfselectcpudfl If a BPF scheduler provides an invalid CPU outside the nrcpuids range as prevcpu to scxbpfselectcpudfl it can cause a kernel crash. To prevent this, validate prevcpu in...

CVE-2025-21965

In the Linux kernel, the following vulnerability has been resolved: schedext: Validate prevcpu in scxbpfselectcpudfl If a BPF scheduler provides an invalid CPU outside the nrcpuids range as prevcpu to scxbpfselectcpudfl it can cause a kernel crash. To prevent this, validate prevcpu in...

CVE-2025-21965

CVE-2025-21965 affects the Linux kernel sched_ext path used with BPF schedulers. If a BPF scheduler provides an invalid CPU (outside nr_cpu_ids) as prev_cpu to scx_bpf_select_cpu_dfl(), it can crash the kernel. The fix validates prev_cpu in scx_bpf_select_cpu_dfl() and triggers an scx error for i...

CVE-2025-21965 sched_ext: Validate prev_cpu in scx_bpf_select_cpu_dfl()

In the Linux kernel, the following vulnerability has been resolved: schedext: Validate prevcpu in scxbpfselectcpudfl If a BPF scheduler provides an invalid CPU outside the nrcpuids range as prevcpu to scxbpfselectcpudfl it can cause a kernel crash. To prevent this, validate prevcpu in...

PT-2025-14346

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A kernel crash can occur if a BPF scheduler provides an invalid CPU as prev cpu to the scx bpf select cpu dfl function. This issue is resolved by validating prev cpu in scx bpf select cp...