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 – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ext4: Verify that the size of orphan files is not too large. In principle, orphan files can be arbitrarily large. However, orphan replay operations need to traverse those files, and all their buffers are stored in memory...

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

In the Linux kernel, the following vulnerabilities have been resolved: RDMA/core: Silence oversized kvmalloc warnings The syzkaller triggered an oversized kvmalloc warning. Silence this warning by adding GFPNOWARN. syzkaller log: WARNING: CPU: 7 PID: 518 at mm/util.c:665...

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...

Astra Linux – Vulnerability in Linux 5.10, Linux

A issue was discovered in the Linux kernel through version 5.16-rc6. The function netvscgetethtoolstats in the drivers/net/hyperv/netvscdrv.c file lacks a check on the return value of kvmallocarray, which can lead to a null pointer derefrence...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ext4: fix invalid free tracking in ext4xattrMoveToBlock In ext4xattrMoveToBlock, the value of the extended attribute that we need to move to an external block may be allocated by kvmalloc if the value is stored in an external...

CVE-2026-89539

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: reject duplicate CREDSVALUE options gssxdecoptionarray walks the wire-supplied option array and, for every entry whose name matches CREDSVALUE, calls gssxdeclinuxcreds on the same struct svccred. That helper unconditional...

CVE-2026-89651: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ceph: bound MDSCapAuth path and fsname decode in handlesession handlesession decodes the MDSCapAuth records carried by a CEPHSESSIONOPEN message msgversion = 6. For each record the match.path and match.fsname byte strings are rea...

CVE-2026-89656: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: libceph: reject buckets with mismatched CRUSH ids crushdecode stores bucket data by array slot, and the mapper later derives the per-bucket workspace index from the decoded bucket id. A malformed map can therefore make one bucket...

PT-2026-90308

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 7.2.6-1.1 Description The rocket job push function contains a NULL pointer dereference and an integer overflow. The function allocates a temporary array to store input and output GEM object pointers. A failure in...

CVE-2026-68232

In the Linux kernel, the following vulnerability has been resolved: drm/gpusvm: Fix MM reference leak in drmgpusvmrangeevict If kvmallocarray fails in drmgpusvmrangeevict, the MM reference acquired earlier is not released, resulting in a reference leak. Fix this by dropping the MM reference on th...

CVE-2026-68232

CVE-2026-68232 affects the Linux kernel DRM/GPU virtualization path (drm_gpusvm). The issue is a MM reference leak in drm_gpusvm_range_evict when kvmalloc_array() fails, leaving a previously acquired MM reference unreleased. The documented remediation is to drop the MM reference on the kvmalloc_a...

EUVD-2026-55333

In the Linux kernel, the following vulnerability has been resolved: drm/gpusvm: Fix MM reference leak in drmgpusvmrangeevict If kvmallocarray fails in drmgpusvmrangeevict, the MM reference acquired earlier is not released, resulting in a reference leak. Fix this by dropping the MM reference on th...

CVE-2026-68232 drm/gpusvm: Fix MM reference leak in drm_gpusvm_range_evict

In the Linux kernel, the following vulnerability has been resolved: drm/gpusvm: Fix MM reference leak in drmgpusvmrangeevict If kvmallocarray fails in drmgpusvmrangeevict, the MM reference acquired earlier is not released, resulting in a reference leak. Fix this by dropping the MM reference on th...

PT-2026-69632

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A reference leak occurs in the drm gpusvm range evict function. This happens when the kvmalloc array function fails, causing the previously acquired MM Memory Management reference to...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-004924)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004924 advisory. In the Linux kernel, the following vulnerability has been resolved: vhost/vsock: Use kvmalloc/kvfree for larger packets. When copying a large file over sftp over...

Azure Linux 3.0 Security Update: kernel (CVE-2025-37867)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-37867 advisory. - In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Silence oversized kvmalloc...

SUSE CVE-2023-54194

In the Linux kernel, the following vulnerability has been resolved: exfat: use kvmallocarray/kvfree instead of kmallocarray/kfree The call stack shown below is a scenario in the Linux 4.19 kernel. Allocating memory failed where exfat fs use kmallocarray due to system memory fragmentation, while t...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-993090)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-993090 advisory. In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Silence oversized kvmalloc warning syzkaller triggered an oversized kvmalloc warning...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-992925)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992925 advisory. In the Linux kernel, the following vulnerability has been resolved: vhost/vsock: Use kvmalloc/kvfree for larger packets. When copying a large file over sftp over...