Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: sh: cpuinfo: Fixed a warning for CONFIGCPUMASKOFFSTACK When CONFIGCPUMASKOFFSTACK and CONFIGDEBUGPERCPUMAPS are selected, cpumaxbitswarn generates a runtime warning similar to the following when showing /proc/cpuinfo. This issue...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: dma-mapping: Benchmark: Properly handling NUMANONODE. The cpumaskofnode function can be called within domapbenchmark when dealing with NUMANONODE. This results in the following issue reported by the sanitizer tool: UBSAN: Array...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1, and Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: ACPI: PAD: fixed a crash in exitroundrobin The kernel occasionally crashes in cpumaskclearcpu, which is called within exitroundrobin. This occurs when executing clearbitnr, addr with nr set to 0xffffffff. In such cases, the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Tracing: Prevent an incorrect count for tracingcpumaskwrite. If a large count is provided, it will trigger a warning in bitmapparseuser. Also, check for zero in that case...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: UM: cpuinfo: Fix a warning for CONFIGCPUMASKOFFSTACK When CONFIGCPUMASKOFFSTACK and CONFIGDEBUGPERCPUMAPS is selected, cpumaxbitswarn generates a runtime warning similar as below while we show /proc/cpuinfo. Fix this by using...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: net/iucv: Avoid explicit allocation of the cpumask variable on the stack. For the CONFIGCPUMASKOFFSTACK=y kernel, explicit allocation of the cpumask variable on the stack is not recommended, as it may cause a potential stack...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: stmmac: Fix for accessing freed irq affinityhint In stmmacrequestirqmultimsi, a pointer to the stack variable cpumask is passed to irqsetaffinityhint. This value is stored in irqdesc-affinityhint, but once...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: net/dpaa2: Avoid explicit allocation of the cpumask variable on the stack. For the CONFIGCPUMASKOFFSTACK=y kernel, explicit allocation of the cpumask variable on the stack is not recommended, as it may cause a potential stack...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Topology: Keep the cpumask unchanged when printing cpumap. During fuzz testing, the following warning was discovered: Different return values 15 and 11 from vsnprintf"%pbl",.... Warning: “keyward” is a warning in kvasprintf...

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

In the Linux kernel, the following vulnerability has been resolved: mips: sched: Fix CPUMASK OFFSTACK memory corruption This patch addresses a critical memory management flaw. When CONFIG CPUMASK OFFSTACK is enabled, cpumask var t is a pointer. Consequently, sizeofnew mask evaluates to the pointe...

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...

CVE-2026-53187

The CVE-2026-53187 issue affects the Linux kernel RDMA/core: the cpu_id supplied via UVERBS_ATTR_ALLOC_DMAH_CPU_ID is passed to cpumask_test_cpu() without validating it against nr_cpu_ids, leading to an out-of-bounds read of the cpumask bitmap. On kernels built with CONFIG_DEBUG_PER_CPU_MAPS this...

PT-2026-52283

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the RDMA/core component where the cpu id attribute, provided by user space via UVERBS ATTR ALLOC DMAH CPU ID, is passed to the cpumask test cpu function without...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: tracing/osnoise: Use a cpumask to know what threads are kthreads The startkthread and stopthread code was not always called with the interfacelock held. This means that the kthread variable could be unexpectedly changed causing t...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: workqueue: The issue related to selecting the wakecpu in kickpool has been fixed. With cpupossiblemask=0-63 and cpuonlinemask=0-7, the following kernel error was observed: smp: Bringing up secondary CPUs… smp: Brought up 1 node, ...

Astra Linux – Vulnerability in Linux 5.10, Linux

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...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: virtio-vdpa: Fixed a cpumask memory leak in virtiovdpafindvqs Free the cpumask allocated by createaffinitymasks before returning from the function...