CVE-2017-16995-Linux-Kernel---BPF-Sign-Extension-Local-Privilege-Escalation-

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CVE-2023-21716

CVE-2023-21716 Microsoft Word RTF 字体表堆损坏 Microsoft Office wwlib 中的一个漏洞允许攻击者在受害者打开恶意 RTF 文档时，以受害者的权限实现远程代码执行。攻击者可以通过电子邮件附件（或其他方式）传递此文件。 背景 Microsoft Word 是 Microsoft Office 中包含的文字处理应用程序。默认安装下，Microsoft Word 处理富文本格式（RTF）文档。此类文档主要由基于 7 位 ASCII 的关键字组成，这些关键字共同封装了各种丰富的内容。 漏洞详情 Microsoft Word 中的 RTF...

CVE-2017-16995

CVE-2017-16995 CVE ID: CVE-2017-16995 公開日: 2017-12-27T17:08:17.670 基本スコア CVSS 3.0/3.1: 7.8 説明: Linuxカーネル4.4までのkernel/bpf/verifier.c内のcheckaluop関数は、ローカルユーザーが不正な符号拡張を利用することで、サービス拒否（メモリ破損）を引き起こしたり、あるいはその他の未特定の影響を与える可能性があります。...

Ubuntu-0day

Ubuntu16.04-0day 漏洞范围： all 4.4 ubuntu aws instances are vulnerable Jann Horn发现在某些情况下，Linux内核中的Berkeley Packet Filter（BPF）不正确地执行了符号扩展checkaluop。本地攻击者可以使用它在系统上进行提权,获取root权限。 bpf: fix incorrect sign extension in checkaluop Distinguish between BPFALU64|BPFMOV|BPFK load 32-bit immediate, sign-extended...

Linux Distros Unpatched Vulnerability : CVE-2026-90195

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - riscv, bpf: Fix missing sign-ext for signed 1-byte and 2-byte kfunc args On RV64, the ABI requires sign- extension for signed 1-byte and 2-byte kfunc args...

CVE-2026-93127

In the Linux kernel, the following vulnerability has been resolved: bpf: Drop scalar id on sign-extending narrowing stack fills When a spilled scalar is filled back with a sign-extending narrowing load BPFMEMSX, checkstackreadfixedoff copies the spilled register including its scalar id, but...

CVE-2026-90195

In the Linux kernel, the following vulnerability has been resolved: riscv, bpf: Fix missing sign-ext for signed 1-byte and 2-byte kfunc args On RV64, the ABI requires sign-extension for signed 1-byte and 2-byte kfunc args. However, the RV64 JIT currently does not perform sign-extension for such...

DEBIAN-CVE-2026-90195

In the Linux kernel, the following vulnerability has been resolved: riscv, bpf: Fix missing sign-ext for signed 1-byte and 2-byte kfunc args On RV64, the ABI requires sign-extension for signed 1-byte and 2-byte kfunc args. However, the RV64 JIT currently does not perform sign-extension for such...

CVE-2026-90195

This Linux kernel vulnerability affects the RISC-V (RV64) BPF JIT compiler . The RV64 ABI requires sign-extension for signed 1-byte and 2-byte kfunc arguments , but the JIT failed to perform this extension. The bug was previously masked by a state-pruning behavior in commit 7ce090afbf72, which in...

CVE-2026-90195 riscv, bpf: Fix missing sign-ext for signed 1-byte and 2-byte kfunc args

In the Linux kernel, the following vulnerability has been resolved: riscv, bpf: Fix missing sign-ext for signed 1-byte and 2-byte kfunc args On RV64, the ABI requires sign-extension for signed 1-byte and 2-byte kfunc args. However, the RV64 JIT currently does not perform sign-extension for such...

CVE-2026-90195 riscv, bpf: Fix missing sign-ext for signed 1-byte and 2-byte kfunc args

In the Linux kernel, the following vulnerability has been resolved: riscv, bpf: Fix missing sign-ext for signed 1-byte and 2-byte kfunc args On RV64, the ABI requires sign-extension for signed 1-byte and 2-byte kfunc args. However, the RV64 JIT currently does not perform sign-extension for such...

EUVD-2026-81788

In the Linux kernel, the following vulnerability has been resolved: riscv, bpf: Fix missing sign-ext for signed 1-byte and 2-byte kfunc args On RV64, the ABI requires sign-extension for signed 1-byte and 2-byte kfunc args. However, the RV64 JIT currently does not perform sign-extension for such...

DEBIAN-CVE-2026-89914

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Sign-extend VA for range-based TLBI invalidation When the decoderangetlbi helper was moved to be used for S1 TLBIs, the required sign extension was omitted. Add it. As a result, special care must be taken to not...

CVE-2026-89914

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Sign-extend VA for range-based TLBI invalidation When the decoderangetlbi helper was moved to be used for S1 TLBIs, the required sign extension was omitted. Add it. As a result, special care must be taken to not...

CVE-2026-89914 KVM: arm64: Sign-extend VA for range-based TLBI invalidation

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Sign-extend VA for range-based TLBI invalidation When the decoderangetlbi helper was moved to be used for S1 TLBIs, the required sign extension was omitted. Add it. As a result, special care must be taken to not...

EUVD-2026-80514

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Sign-extend VA for range-based TLBI invalidation When the decoderangetlbi helper was moved to be used for S1 TLBIs, the required sign extension was omitted. Add it. As a result, special care must be taken to not...

CVE-2026-89914: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Sign-extend VA for range-based TLBI invalidation When the decoderangetlbi helper was moved to be used for S1 TLBIs, the required sign extension was omitted. Add it. As a result, special care must be taken to not...

Linux Distros Unpatched Vulnerability : CVE-2026-89914

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - KVM: arm64: Sign-extend VA for range-based TLBI invalidation When the decoderangetlbi helper was moved to be used for S1 TLBIs, the required sign extension was...

CVE-2026-56123

A flaw was found in socat. A remote attacker, acting as a malicious SOCKS5 proxy server, can exploit a heap-based buffer overflow. This vulnerability, caused by a sign-extension flaw in the DOMAINNAME reply parser, allows the attacker to write arbitrary data to memory. This could lead to arbitrar...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Squashfs: fixed the handling and sanity checking of the xattrids count A Sysbot 1 that corrupted the filesystem exposed two flaws in the handling and sanity checking of the xattrids count in the filesystem. Both of these flaws...