btr

分支目标重用（BTR）工件 本仓库包含论文《分支目标重用：通过陈旧分支预测条目在 JIT 引擎中实现实用的 Spectre-v2 攻击》的工件（已被 ACM CCS 2026 接收）。 有关 BTR 攻击的更多信息，请参阅我们的项目页面和论文！ btr ├─ uarch-experiments/ uArch 实验代码 （第 5 节） ├─ attack-surface/ 攻击面分析 （第 6 节） │ ├─ linux-cbpf Linux cBPF 实验 （第 6.1 节） │ ├─ spidermonkey/ SpiderMonkey 实验 （第 6.2 节） │ ├─...

Rocky Linux 9 [CIQ] Security Update: kernel-rt / kernel-rt-core / kernel-rt-debug / kernel-rt-debug-core / etc Multiple Vulnerabilities (crlsa-2023_4378)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20234378 advisory. kernel: ipvlan: out-of-bounds write caused by unclear skb-cb CVE-2023-3090 kernel: clsflower: out-of-bounds write in flsetgeneveopt CVE-2023-35788 kernel:...

CentOS Linux 7 [TuxCare] Security Update: bpftool / kernel / kernel-debug / kernel-debug-devel / kernel-devel / etc Multiple Vulnerabilities (CENTOS7:CLSA-2024:1730801690)

"The CentOS Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS7:CLSA-2024:1730801690 advisory. - A use-after-free flaw was found in the Linux kernel's sound subsystem in the way a user triggers concurrent calls of PCM hwparams. Th...

New Spectre-v2 BTR Attack Leaks Linux Memory Despite Existing Defenses

A group of academics from VUSec and Scuola Superiore Sant'Anna have disclosed details of a new Spectre CPU vulnerability variant that affects Just-In-Time JIT engines present in web browsers, language runtimes, and the operating system kernel, across multiple CPU vendors. The new Spectre v2 varia...

AZL-93809 CVE-2026-64507 affecting package kernel for versions less than 6.6.145.2-1

In the Linux kernel, the following vulnerability has been resolved: x86/bugs: Enable IBPB flush on BPF JIT allocation Enable hardening against JIT spraying when Spectre-v2 mitigations are in use. Specifically, issue an IBPB flush on BPF JIT memory reuse. Skip enabling the IBPB flush if the BPF...

CVE-2026-64507

In the Linux kernel, the following vulnerability has been resolved: x86/bugs: Enable IBPB flush on BPF JIT allocation Enable hardening against JIT spraying when Spectre-v2 mitigations are in use. Specifically, issue an IBPB flush on BPF JIT memory reuse. Skip enabling the IBPB flush if the BPF...

CVE-2026-64507: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: x86/bugs: Enable IBPB flush on BPF JIT allocation Enable hardening against JIT spraying when Spectre-v2 mitigations are in use. Specifically, issue an IBPB flush on BPF JIT memory reuse. Skip enabling the IBPB flush if the BPF...

MiracleLinux 7 : kernel-3.10.0-1160.119.1.0.6.el7.AXS7 (AXSA:2024-9046:38)

"The remote MiracleLinux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2024-9046:38 advisory. net/mlx5e: SHAMPO, Fix invalid WQ linked list unlink CVE-2024-44970 PCI: Add missing bridge lock to pcibuslock CVE-2024-46750 net/mlx5: Discard...

MiracleLinux 8 : kernel-4.18.0-477.10.1.el8_8 (AXSA:2023-5865:16)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2023-5865:16 advisory. use-after-free caused by l2capreassemblesdu in net/bluetooth/l2capcore.c CVE-2022-3564 net/ulp: use-after-free in listening ULP sockets CVE-2023-046...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-001364)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001364 advisory. The spectrev2selectmitigation function in arch/x86/kernel/cpu/bugs.c in the Linux kernel before 4.18.1 does not always fill RSB upon a context switch, which makes it...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-002539)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002539 advisory. arch/x86/kernel/paravirt.c in the Linux kernel before 4.18.1 mishandles certain indirect calls, which makes it easier for attackers to conduct Spectre-v2 attacks...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003365)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003365 advisory. arch/x86/kernel/paravirt.c in the Linux kernel before 4.18.1 mishandles certain indirect calls, which makes it easier for attackers to conduct Spectre-v2 attacks...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-000499)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000499 advisory. A flaw was found in the Linux kernel before 5.8-rc1 in the implementation of the Enhanced IBPB Indirect Branch Prediction Barrier. The IBPB mitigation will be disabl...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-000500)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000500 advisory. A flaw was found in the Linux Kernel before 5.8-rc1 in the prctl function, where it can be used to enable indirect branch speculation after it has been disabled. Thi...

EUVD-2020-3182

Malware in sbrugna...

EUVD-2018-7468

Malware in sbrugna...

EUVD-2021-15346

Malware in sbrugna...

EUVD-2020-3183

Malware in sbrugna...

EUVD-2022-34479

Malicious code in bioql PyPI...

EulerOS 2.0 SP13 : kernel (EulerOS-SA-2025-2144)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : x86/fpu: KVM: Set the base guest FPU uABI size to sizeofstruct kvmxsave.CVE-2022-49557 A cross-privilege Spectre v2 vulnerability allows attackers...