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

In the Linux kernel, the following vulnerabilities have been resolved: hwmon: coretemp Fixed out-of-bounds memory access. Fixed a bug where pdata-cpumap was set before the out-of-bounds check. This issue may occur on systems with more than 128 cores per package...

CVE-2026-98150

A flaw was found in the Linux kernel's BPF Berkeley Packet Filter subsystem. A local user could trigger a Denial of Service DoS by providing an invalid processor identifier during per-CPU map operations on systems with non-contiguous CPU configurations. Due to improper validation of CPU flags, th...

SUSE CVE-2026-98149

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix percpu map update indexing with sparse CPU IDs Per-CPU array, hash, and cgroup storage map updates without BPFFCPU or BPFFALLCPUS use a value buffer whose per-CPU slots are packed in possible-CPU order. The buffer is siz...

CVE-2026-98149: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix percpu map update indexing with sparse CPU IDs Per-CPU array, hash, and cgroup storage map updates without BPFFCPU or BPFFALLCPUS use a value buffer whose per-CPU slots are packed in possible-CPU order. The buffer is siz...

PT-2026-98811

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the BPF Berkeley Packet Filter subsystem regarding per-CPU map updates for array, hash, and cgroup storage maps when BPF F CPU or BPF F ALL CPUS are not used. The syst...

SUSE CVE-2026-93174

In the Linux kernel, the following vulnerability has been resolved: bpf: Copy per-CPU map value padding in copymapvaluelong In kernel, per-CPU map elements are stored with roundupmap-valuesize, 8 bytes. On UAPI lookup paths, it copies the rounded size for each CPU into a temporary buffer. However...

Linux Distros Unpatched Vulnerability : CVE-2026-93174

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - bpf: Copy per-CPU map value padding in copymapvaluelong In kernel, per-CPU map elements are stored with roundupmap-valuesize, 8 bytes. On UAPI lookup paths, it...

CVE-2026-93174 bpf: Copy per-CPU map value padding in copy_map_value_long()

In the Linux kernel, the following vulnerability has been resolved: bpf: Copy per-CPU map value padding in copymapvaluelong In kernel, per-CPU map elements are stored with roundupmap-valuesize, 8 bytes. On UAPI lookup paths, it copies the rounded size for each CPU into a temporary buffer. However...

CVE-2026-93174: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: bpf: Copy per-CPU map value padding in copymapvaluelong In kernel, per-CPU map elements are stored with roundupmap-valuesize, 8 bytes. On UAPI lookup paths, it copies the rounded size for each CPU into a temporary buffer. However...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: bpf, cpumap: Handle skb as well when cleaning up ptrring. The following warning was reported when running xdpredirectcpu with both skbmode and stressmode enabled: ------------ Cut here ------------ Incorrect XDP memory type...

CVE-2026-53076

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix OOB in pcpuinitvalue An out-of-bounds read occurs when copying element from a BPFMAPTYPECGROUPSTORAGE map to another pcpu map with the same valuesize that is not rounded up to 8 bytes. The issue happens when: 1. A...

PT-2026-51970

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An out-of-bounds read occurs during the copying of elements from a BPF MAP TYPE CGROUP STORAGE map to a per-CPU pcpu map when the value size is not aligned to 8 bytes. The pcpu init valu...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006597)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006597 advisory. In the Linux kernel, the following vulnerability has been resolved: bpf, cpumap: Make sure kthread is running before map update returns The following warning was...

Linux kernel BPF Heap Buffer Overflow DoS

The vulnerability of the cpumapringcleanup function in the kernel/bpf/cpumap.c module, which is part of the Linux kernel’s BPF interpreter support, is related to incorrect code validation for function return operations. Exploiting this vulnerability could allow an attacker to trigger a service...

UBUNTU-CVE-2026-23342

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix race in cpumap on PREEMPTRT On PREEMPTRT kernels, the per-CPU xdpbulkqueue bq can be accessed concurrently by multiple preemptible tasks on the same CPU. The original code assumes bqenqueue and cpumapflush run atomically...

CVE-2026-23342

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix race in cpumap on PREEMPTRT On PREEMPTRT kernels, the per-CPU xdpbulkqueue bq can be accessed concurrently by multiple preemptible tasks on the same CPU. The original code assumes bqenqueue and cpumapflush run atomically...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-005450)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005450 advisory. In the Linux kernel, the following vulnerability has been resolved: bpf: cpumap: Fix memory leak in cpumapupdateelem Syzkaller reported a memory leak as follows: BUG...

SUSE SLES15: cluster-md-kmp-default / dlm-kmp-default / gfs2-kmp-default / etc (SUSE-SU-2026:0617-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0617-1 advisory. The SUSE Linux Enterprise 15 SP4 kernel was updated to fix various security issues The following security issues were fixed: -...

SUSE-SU-2026:0350-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP3 RT kernel was updated to fix various security issues The following security issues were fixed: - CVE-2022-50282: chardev: fix error handling in cdevdeviceadd bsc1249739. - CVE-2022-50630: mm: hugetlb: fix UAF in hugetlbhandleuserfault bsc1254785. - CVE-2022-50700:...

SUSE SLES15 : Security update for the Linux Kernel (SUSE-SU-2026:0317-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0317-1 advisory. The SUSE Linux Enterprise 15 SP5 kernel was updated to fix various security issues The following security issues were fixed: -...