Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: smb/server: a possible memory leak in smb2read has been fixed. The memory leak occurs when ksmbdvfsread fails. This issue has been fixed by adding the missing kvfree function...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: exfat: Use kvmallocarray/kvfree instead of kmallocarray/kfree. The call stack shown below represents a scenario in the Linux 4.19 kernel. Memory allocation failed for the exfat file system, due to system memory fragmentation...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: vhost/vsock: Use kvmalloc/kvfree for larger packets. When copying a large file via sftp using vsock, the data size is usually 32 kB. In such cases, kmalloc seems to fail when attempting to allocate 32 32 kB regions. vhost-5837...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-100571)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-100571 advisory. In the Linux kernel, the following vulnerability has been resolved: bpf: use kvfree for replaced sysctl write buffer procsyscallhandler allocates its temporary sysct...

CVE-2026-74416

In the Linux kernel, the following vulnerability has been resolved: drm/radeon: fix memory leak in radeonringrestore on lock failure radeonringrestore takes ownership of the data buffer allocated by radeonringbackup. The caller radeongpureset only frees it in the non-restore branch; in the restor...

CVE-2026-74416 drm/radeon: fix memory leak in radeon_ring_restore() on lock failure

In the Linux kernel, the following vulnerability has been resolved: drm/radeon: fix memory leak in radeonringrestore on lock failure radeonringrestore takes ownership of the data buffer allocated by radeonringbackup. The caller radeongpureset only frees it in the non-restore branch; in the restor...

CVE-2026-74416

CVE-2026-74416 affects the Linux kernel DRM/Radeon stack. The vulnerability is a memory-leak in radeon_ring_restore() on lock failure: radeon_ring_restore() takes ownership of the buffer allocated by radeon_ring_backup(), but when radeon_ring_lock() fails it returns early and does not kvfree(data...

PT-2026-72852

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A memory leak occurs in the radeon ring restore function when radeon ring lock fails. The radeon ring restore function is responsible for freeing the data buffer allocated by radeon ring...

CVE-2026-68285

In the Linux kernel, the following vulnerability has been resolved: LoongArch: BPF: Fix memory leak in bpfjitfree When bpfintjitcompile is called for subprograms, it returns early during the first pass !prog-isfunc || extrapass is false, keeping ctx-offset alive for the subsequent extra pass. If...

SUSE CVE-2026-63809

In the Linux kernel, the following vulnerability has been resolved: bpf: use kvfree for replaced sysctl write buffer procsyscallhandler allocates its temporary sysctl buffer with kvzalloc and passes it to cgroupbpfrunfiltersysctl. Since kvzalloc may fall back to vmalloc for large allocations,...

CVE-2026-63809

In the Linux kernel, the following vulnerability has been resolved: bpf: use kvfree for replaced sysctl write buffer procsyscallhandler allocates its temporary sysctl buffer with kvzalloc and passes it to cgroupbpfrunfiltersysctl. Since kvzalloc may fall back to vmalloc for large allocations,...

CVE-2026-63809

CVE-2026-63809 affects the Linux kernel memory-management path used by BPF when handling proc sysctl writes. The vulnerability stems from proc_sys_call_handler() allocating a temporary sysctl buffer with kvzalloc() and passing it to __cgroup_bpf_run_filter_sysctl(); since kvzalloc() may fall back...

CVE-2026-63809 bpf: use kvfree() for replaced sysctl write buffer

In the Linux kernel, the following vulnerability has been resolved: bpf: use kvfree for replaced sysctl write buffer procsyscallhandler allocates its temporary sysctl buffer with kvzalloc and passes it to cgroupbpfrunfiltersysctl. Since kvzalloc may fall back to vmalloc for large allocations,...

CVE-2026-63809

In the Linux kernel, the following vulnerability has been resolved: bpf: use kvfree for replaced sysctl write buffer procsyscallhandler allocates its temporary sysctl buffer with kvzalloc and passes it to cgroupbpfrunfiltersysctl. Since kvzalloc may fall back to vmalloc for large allocations,...

CVE-2026-63809

In the Linux kernel, the following vulnerability has been resolved: bpf: use kvfree for replaced sysctl write buffer procsyscallhandler allocates its temporary sysctl buffer with kvzalloc and passes it to cgroupbpfrunfiltersysctl. Since kvzalloc may fall back to vmalloc for large allocations,...

EUVD-2026-45475

In the Linux kernel, the following vulnerability has been resolved: bpf: use kvfree for replaced sysctl write buffer procsyscallhandler allocates its temporary sysctl buffer with kvzalloc and passes it to cgroupbpfrunfiltersysctl. Since kvzalloc may fall back to vmalloc for large allocations,...

CVE-2026-63809 bpf: use kvfree() for replaced sysctl write buffer

In the Linux kernel, the following vulnerability has been resolved: bpf: use kvfree for replaced sysctl write buffer procsyscallhandler allocates its temporary sysctl buffer with kvzalloc and passes it to cgroupbpfrunfiltersysctl. Since kvzalloc may fall back to vmalloc for large allocations,...

CVE-2026-63809: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: bpf: use kvfree for replaced sysctl write buffer procsyscallhandler allocates its temporary sysctl buffer with kvzalloc and passes it to cgroupbpfrunfiltersysctl. Since kvzalloc may fall back to vmalloc for large allocations,...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Use kvfree instead of kfree in amdgpugmcgetnpsmemranges. The amdgpudiscoverygetnpsinfo function internally allocates memory for ranges using kvcalloc, which may use vmalloc for large allocations. Using kfree to releas...

PT-2026-61125

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 7.1-rc5 Description Memory corruption can occur in the Linux kernel due to incorrect buffer deallocation. The proc sys call handler function allocates a temporary sysctl buffer using kvzalloc, which may use vmall...