CVE-2026-23134 slab: fix kmalloc_nolock() context check for PREEMPT_RT

In the Linux kernel, the following vulnerability has been resolved: slab: fix kmallocnolock context check for PREEMPTRT On PREEMPTRT kernels, locallock becomes a sleeping lock. The current check in kmallocnolock only verifies we're not in NMI or hard IRQ context, but misses the case where...

CVE-2026-23134

In the Linux kernel, the following vulnerability has been resolved: slab: fix kmallocnolock context check for PREEMPTRT On PREEMPTRT kernels, locallock becomes a sleeping lock. The current check in kmallocnolock only verifies we're not in NMI or hard IRQ context, but misses the case where...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the kmallocnolock function not properly checking the context within the PREEMPTRT kernel. This ma...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-001437)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001437 advisory. An issue was discovered in the Linux kernel before 5.8.10. virt/kvm/kvmmain.c has a kvmiobusunregisterdev memory leak upon a kmalloc failure, aka CID-f65886606c2d...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001035)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001035 advisory. net/ceph/authx.c in Ceph, as used in the Linux kernel before 3.16.3, does not properly consider the possibility of kmalloc failure, which allows remote attackers to...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-004455)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004455 advisory. An issue was discovered in the Linux kernel before 5.8.10. virt/kvm/kvmmain.c has a kvmiobusunregisterdev memory leak upon a kmalloc failure, aka CID-f65886606c2d...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-004021)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004021 advisory. An issue was discovered in the Linux kernel before 5.8.10. virt/kvm/kvmmain.c has a kvmiobusunregisterdev memory leak upon a kmalloc failure, aka CID-f65886606c2d...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001976)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001976 advisory. net/ceph/authx.c in Ceph, as used in the Linux kernel before 3.16.3, does not properly consider the possibility of kmalloc failure, which allows remote attackers to...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002323)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002323 advisory. net/ceph/authx.c in Ceph, as used in the Linux kernel before 3.16.3, does not properly consider the possibility of kmalloc failure, which allows remote attackers to...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-003430)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003430 advisory. A flaw was found in the Linux kernel's handlerx function in the vhostnet driver. A malicious virtual guest, under specific conditions, can trigger an out-of-bounds...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix crypto buffers in non-linear memory The crypto API, through the scatterlist API, expects input buffers to be in linear memory. We handle this by using the cifssgsetbuf helper function, which converts vmalloc’d...

PT-2026-8129

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains an issue where the kmalloc nolock function lacks a sufficient context check for PREEMPT RT kernels. Specifically, on PREEMPT RT kernels, local lock can become a...

SUSE CVE-2022-50866

In the Linux kernel, the following vulnerability has been resolved: ASoC: pxa: fix null-pointer dereference in filter kasprintf would return NULL pointer when kmalloc fail to allocate. Need to check the return pointer before calling strcmp...

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...

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...

CVE-2022-50866

In the Linux kernel, the following vulnerability has been resolved: ASoC: pxa: fix null-pointer dereference in filter kasprintf would return NULL pointer when kmalloc fail to allocate. Need to check the return pointer before calling strcmp...

CVE-2023-54178

In the Linux kernel, the following vulnerability has been resolved: of: unittest: fix null pointer dereferencing in ofunittestfindnodebyname when kmalloc fail to allocate memory in kasprintf, name or fullname will be NULL, strcmp will cause null pointer dereference...

UBUNTU-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...

UBUNTU-CVE-2022-50866

In the Linux kernel, the following vulnerability has been resolved: ASoC: pxa: fix null-pointer dereference in filter kasprintf would return NULL pointer when kmalloc fail to allocate. Need to check the return pointer before calling strcmp...

CVE-2022-50866 ASoC: pxa: fix null-pointer dereference in filter()

In the Linux kernel, the following vulnerability has been resolved: ASoC: pxa: fix null-pointer dereference in filter kasprintf would return NULL pointer when kmalloc fail to allocate. Need to check the return pointer before calling strcmp...