DEBIAN-CVE-2026-99251

In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: Avoid infinite retry loop in initvpindex There is a retry loop in initvpindex where the CPUs from a certain node are stripped out if they have already been in the allocated cpumask or not in HKTYPEMANAGEDIRQ...

Astra Linux – vulnerability in linux-5.10, linux-5.15, linux

In the Linux kernel, the following vulnerability has been resolved: UM: cpuinfo: Fix a warning for CONFIGCPUMASKOFFSTACK When CONFIGCPUMASKOFFSTACK and CONFIGDEBUGPERCPUMAPS are enabled, cpumaxbitswarn generates a runtime warning similar to the following while we display /proc/cpuinfo. This issue...

SUSE CVE-2026-97905

In the Linux kernel, the following vulnerability has been resolved: cpufreq: zero-initialize policy cpumask before sysfs publication cpufreqpolicyalloc allocates policy-cpus with alloccpumaskvar, i.e. without GFPZERO, unlike the sibling relatedcpus and realcpus masks. With CONFIGCPUMASKOFFSTACK=y...

CVE-2026-97905

The Linux kernel contains a vulnerability in the cpufreq component where policy->cpus is allocated without being zero-initialized when CONFIG_CPUMASK_OFFSTACK=y is enabled. Because alloc_cpumask_var() does not guarantee zeroing, the bitmap may contain garbage data from the slab allocator. This...

CVE-2026-97905 cpufreq: zero-initialize policy cpumask before sysfs publication

In the Linux kernel, the following vulnerability has been resolved: cpufreq: zero-initialize policy cpumask before sysfs publication cpufreqpolicyalloc allocates policy-cpus with alloccpumaskvar, i.e. without GFPZERO, unlike the sibling relatedcpus and realcpus masks. With CONFIGCPUMASKOFFSTACK=y...

CVE-2026-97905: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: cpufreq: zero-initialize policy cpumask before sysfs publication cpufreqpolicyalloc allocates policy-cpus with alloccpumaskvar, i.e. without GFPZERO, unlike the sibling relatedcpus and realcpus masks. With CONFIGCPUMASKOFFSTACK=y...

EUVD-2026-86125

In the Linux kernel, the following vulnerability has been resolved: sched/isolation: Defer freeing of cpumask memblock memory to initcall When testing a linux-next kernel with commit 59bd1d914bb5 "memblock: warn when freeing reserved memory before memory map is initialized", the following warning...

CVE-2026-93253

In the Linux kernel, the following vulnerability has been resolved: sched/isolation: Defer freeing of cpumask memblock memory to initcall When testing a linux-next kernel with commit 59bd1d914bb5 "memblock: warn when freeing reserved memory before memory map is initialized", the following warning...

CVE-2026-93112

CVE-2026-93112 affects the Linux kernel BPF subsystem. The vulnerability is in bpf_cpumask_populate() , whose destination parameter is typed as struct cpumask * instead of struct bpf_cpumask *. This type mismatch allows the BPF verifier to accept borrowed, read-only cpumask pointers (e.g., from s...

CVE-2026-93112 bpf: Require a BPF cpumask for bpf_cpumask_populate()

In the Linux kernel, the following vulnerability has been resolved: bpf: Require a BPF cpumask for bpfcpumaskpopulate bpfcpumaskpopulate writes to its destination with bitmapcopy, but the destination is typed as struct cpumask . That allows the verifier to accept borrowed cpumask pointers returne...

CVE-2026-93112 bpf: Require a BPF cpumask for bpf_cpumask_populate()

In the Linux kernel, the following vulnerability has been resolved: bpf: Require a BPF cpumask for bpfcpumaskpopulate bpfcpumaskpopulate writes to its destination with bitmapcopy, but the destination is typed as struct cpumask . That allows the verifier to accept borrowed cpumask pointers returne...

PT-2026-94908

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the BPF subsystem where the bpf cpumask populate function uses bitmap copy to write to a destination typed as struct cpumask . This allows the verifier to incorrectly...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: MIPS: cpuinfo: Fixed a warning for CONFIGCPUMASKOFFSTACK When CONFIGCPUMASKOFFSTACK and CONFIGDEBUGPERCPUMAPS are selected, cpumaxbitswarn generates a runtime warning similar to the following, while we display /proc/cpuinfo. This...

UBUNTU-CVE-2026-72181

In the Linux kernel, the following vulnerability has been resolved: mips: sched: Fix CPUMASKOFFSTACK memory corruption This patch addresses a critical memory management flaw. When CONFIGCPUMASKOFFSTACK is enabled, cpumaskvart is a pointer. Consequently, sizeofnewmask evaluates to the pointer size...

PT-2026-72369

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A memory management flaw exists in the MIPS scheduler when CONFIG CPUMASK OFFSTACK is enabled. In this configuration, cpumask var t is treated as a pointer, which causes sizeofnew mask t...

Malicious code in py-cpumask (PyPI)

Source: checkmarx 6cbe8781320597ab19338c02ac4948b8e44de09fab838b423e0a911252efaa1d EsqueleSquad group published nearly 6000 malicious PyPi and NPM packages, executing spyware and information-stealing malware --- Credit: OpenSSF source...

Malicious code in cpumask (PyPI)

Source: checkmarx d6bfce1bc4df6abf1be030948f26b27fda33007a4ddd2c65e2b8663a064c147f EsqueleSquad group published nearly 6000 malicious PyPi and NPM packages, executing spyware and information-stealing malware --- Credit: OpenSSF source...

CVE-2026-53187

A flaw was found in the Linux kernel's RDMA/core component. A local attacker could supply an invalid cpuid through the UVERBSATTRALLOCDMAHCPUID attribute without proper validation. This improper validation could lead to an out-of-bounds read of the cpumask bitmap. On systems configured with...

CVE-2026-53187

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Validate cpuid against nrcpuids in DMAH alloc The cpuid attribute supplied by user space through UVERBSATTRALLOCDMAHCPUID is passed directly to cpumasktestcpu without first verifying that the value is within the valid...

CVE-2026-53187

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Validate cpuid against nrcpuids in DMAH alloc The cpuid attribute supplied by user space through UVERBSATTRALLOCDMAHCPUID is passed directly to cpumasktestcpu without first verifying that the value is within the valid...