UBUNTU-CVE-2022-50579

In the Linux kernel, the following vulnerability has been resolved: arm64: ftrace: fix module PLTs with mcount Li Huafei reports that mcount-based ftrace with module PLTs was broken by commit: a6253579977e4c6f "arm64: ftrace: consistently handle PLTs." When a module PLTs are used and a module is...

UBUNTU-CVE-2023-53706

In the Linux kernel, the following vulnerability has been resolved: mm/vmemmap/devdax: fix kernel crash when probing devdax devices commit 4917f55b4ef9 "mm/sparse-vmemmap: improve memory savings for compound devmaps" added support for using optimized vmmemap for devdax devices. But how vmemmap...

UBUNTU-CVE-2023-53702

In the Linux kernel, the following vulnerability has been resolved: s390/crypto: use vector instructions only if available for ChaCha20 Commit 349d03ffd5f6 "crypto: s390 - add crypto library interface for ChaCha20" added a library interface to the s390 specific ChaCha20 implementation. However no...

CVE-2023-53706

Summary of CVE-2023-53706 : A Linux kernel vulnerability in mm/vmemmap/devdax caused a kernel crash during probing of devdax devices, linked to architecture-specific handling of vmemmap mappings. The root cause involved vmemmap_populate_compound_pages() not accounting for architecture-specific ma...

CVE-2023-53706 mm/vmemmap/devdax: fix kernel crash when probing devdax devices

In the Linux kernel, the following vulnerability has been resolved: mm/vmemmap/devdax: fix kernel crash when probing devdax devices commit 4917f55b4ef9 "mm/sparse-vmemmap: improve memory savings for compound devmaps" added support for using optimized vmmemap for devdax devices. But how vmemmap...

CVE-2023-53706 mm/vmemmap/devdax: fix kernel crash when probing devdax devices

In the Linux kernel, the following vulnerability has been resolved: mm/vmemmap/devdax: fix kernel crash when probing devdax devices commit 4917f55b4ef9 "mm/sparse-vmemmap: improve memory savings for compound devmaps" added support for using optimized vmmemap for devdax devices. But how vmemmap...

CVE-2023-53702 s390/crypto: use vector instructions only if available for ChaCha20

In the Linux kernel, the following vulnerability has been resolved: s390/crypto: use vector instructions only if available for ChaCha20 Commit 349d03ffd5f6 "crypto: s390 - add crypto library interface for ChaCha20" added a library interface to the s390 specific ChaCha20 implementation. However no...

CVE-2023-53702

CVE-2023-53702 concerns the s390 ChaCha20 vector-accelerator path in the Linux kernel. The ChaCha20 library interface added in commit 349d03ffd5f6 allows using assembler vector instructions when available, but a MACHINE_HAS_VX check was not added, causing a crash if vector facilities are absent (...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from dereferencing structures before pointer checking, which could cause the kernel to crash...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the smp stop call not being made in an asynchronous manner, which could cause the kernel to crash...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the way vmemmap mappings are created without taking into account architecture-specific mappings, which could...

EUVD-2022-54704

In the Linux kernel, the following vulnerability has been resolved: md/bitmap: don't set sb values if can't pass sanity check If bitmap area contains invalid data, kernel will crash then mdadm triggers "Segmentation fault". This is cluster-md speical bug. In non-clustered env, mdadm will handle...

EUVD-2025-35072

In the Linux kernel, the following vulnerability has been resolved: kmsan: fix out-of-bounds access to shadow memory Running sha224kunit on a KMSAN-enabled kernel results in a crash in kmsaninternalsetshadoworigin: BUG: unable to handle page fault for address: ffffbc3840291000 PF: supervisor read...

AZL-78380 CVE-2025-40005 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: spi: cadence-quadspi: Implement refcount to handle unbind during busy driver support indirect read and indirect write operation with assumption no force device removalunbind operation. However force device removalremoval is still...

UBUNTU-CVE-2025-40005

In the Linux kernel, the following vulnerability has been resolved: spi: cadence-quadspi: Implement refcount to handle unbind during busy driver support indirect read and indirect write operation with assumption no force device removalunbind operation. However force device removalremoval is still...

CVE-2025-40005

In the Linux kernel, the following vulnerability has been resolved: spi: cadence-quadspi: Implement refcount to handle unbind during busy driver support indirect read and indirect write operation with assumption no force device removalunbind operation. However force device removalremoval is still...

CVE-2025-40005 spi: cadence-quadspi: Implement refcount to handle unbind during busy

In the Linux kernel, the following vulnerability has been resolved: spi: cadence-quadspi: Implement refcount to handle unbind during busy driver support indirect read and indirect write operation with assumption no force device removalunbind operation. However force device removalremoval is still...

CVE-2025-40005

The CVE-2025-40005 entry concerns the Linux kernel’s cadence-quadspi driver. Technical detail from connected documents shows that the vulnerability arises when the indirect read/write path and force device removal (unbind) could crash the kernel during operation. The fix implements a refcount to ...

CVE-2025-40005 spi: cadence-quadspi: Implement refcount to handle unbind during busy

In the Linux kernel, the following vulnerability has been resolved: spi: cadence-quadspi: Implement refcount to handle unbind during busy driver support indirect read and indirect write operation with assumption no force device removalunbind operation. However force device removalremoval is still...

kernel: net_sched: ets: Fix double list add in class with netem as child qdisc

A use-after-free vulnerability was found in the Linux kernel’s netem qdisc. This issue occurs when it incorrectly manages duplicated packets in classful parent qdiscs. This leads to a corrupted internal state and eventual dereferencing of freed memory, resulting in unpredictable behavior, system...