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...

CVE-2023-53699

In the Linux kernel, the following vulnerability has been resolved: riscv: move memblockallowresize after linear mapping is ready The initial memblock metadata is accessed from kernel image mapping. The regions arrays need to "reallocated" from memblock and accessed through linear mapping to cove...

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...

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-2023-53699

In the Linux kernel, the following vulnerability has been resolved: riscv: move memblockallowresize after linear mapping is ready The initial memblock metadata is accessed from kernel image mapping. The regions arrays need to "reallocated" from memblock and accessed through linear mapping to cove...

UBUNTU-CVE-2022-50564

In the Linux kernel, the following vulnerability has been resolved: s390/netiucv: Fix return type of netiucvtx With clang's kernel control flow integrity kCFI, CONFIGCFICLANG, indirect call targets are validated against the expected function pointer prototype to make sure the call target is valid...

CVE-2023-53713 arm64: sme: Use STR P to clear FFR context field in streaming SVE mode

In the Linux kernel, the following vulnerability has been resolved: arm64: sme: Use STR P to clear FFR context field in streaming SVE mode The FFR is a predicate register which can vary between 16 and 256 bits in size depending upon the configured vector length. When saving the SVE state in...

CVE-2023-53713 arm64: sme: Use STR P to clear FFR context field in streaming SVE mode

In the Linux kernel, the following vulnerability has been resolved: arm64: sme: Use STR P to clear FFR context field in streaming SVE mode The FFR is a predicate register which can vary between 16 and 256 bits in size depending upon the configured vector length. When saving the SVE state in...

CVE-2023-53712

CVE-2023-53712 relates to the Linux kernel ARM kexec crash handling where the SMP stop notification can be triggered synchronously with interrupts disabled during a crash path. The root issue occurs when a panic is caused by a hrtimer interrupt, which would notify all online CPUs and set them off...

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

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 (...

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-2022-50579 arm64: ftrace: fix module PLTs with mcount

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...

CVE-2022-50577 ima: Fix memory leak in __ima_inode_hash()

In the Linux kernel, the following vulnerability has been resolved: ima: Fix memory leak in imainodehash Commit f3cc6b25dcc5 "ima: always measure and audit files in policy" lets measurement or audit happen even if the file digest cannot be calculated. As a result, iint-imahash could have been...

USN-7833-2: Linux kernel (Real-time) vulnerabilities

Oleksii Oleksenko, Cedric Fournet, Jana Hofmann, Boris Köpf, Stavros Volos, and Flavien Solt discovered that some AMD processors may allow an attacker to infer data from previous stores, potentially resulting in the leakage of privileged information. A local attacker could possibly use this to...

USN-7834-1: Linux kernel (Azure) vulnerabilities

Oleksii Oleksenko, Cedric Fournet, Jana Hofmann, Boris Köpf, Stavros Volos, and Flavien Solt discovered that some AMD processors may allow an attacker to infer data from previous stores, potentially resulting in the leakage of privileged information. A local attacker could possibly use this to...

QORE : Quantum Secure 5G/B5G Core

Quantum computing is reshaping the security landscape of modern telecommunications. The cryptographic foundations that secure todays 5G systems, including RSA, Elliptic Curve Cryptography ECC, and Diffie-Hellman DH, are all susceptible to attacks enabled by Shors algorithm. Protecting 5G networks...

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...