ZigRaceExploit

CVE-2021-25741 — Zig での TOCTOU シンボリックリンクレースエクスプロイト Kubernetes kubelet の脆弱性である CVE-2021-25741 の原因となった TOCTOU（Time Of Check, Time Of Use）レースコンディションの教育的エクスプロイトです。 このプロジェクトは、ローカル（K8s クラスタなし）で、lstat と open の間のパス検証を、同時実行されるシンボリックリンクのスワップがどのように回避できるかを実証し、RESOLVE フラグを備えた openat2 が解決策であることを示します。 目次 問題...

CVE-2024-21626

소개 재현 단계 커널이 5.4,4.19,.. 이상이고 /proc/kallsyms에 openat2가 있는지 확인하세요. v1.0.0-rc93= runc =1.1.11 $ grep openat2 /proc/kallsyms ffffffffa64290d0 T pfxauditopenat2how ffffffffa64290e0 T auditopenat2how ffffffffa666de90 t pfxdosysopenat2 ffffffffa666dea0 t dosysopenat2 ffffffffa666e020 t pfxdosysopenat2...

Security update for tar

This update for tar fixes the following issues Security fixes: CVE-2026-5704: crafted archives can be used to to hide file injection bsc1261900. Other fixes: Fix tar changing dir permissions temporarily even when using --no-overwrite-dir. Fix --dereference/-h not working properly after...

SUSE-SU-2026:2714-1 Security update for tar

This update for tar fixes the following issues Security fixes: - CVE-2026-5704: crafted archives can be used to to hide file injection bsc1261900. Other fixes: - Fix tar changing dir permissions temporarily even when using --no-overwrite-dir. - Fix --dereference/-h not working properly after...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via the processPIDEvents goroutine. An attacker can cause the agent to become unresponsive by triggering the goroutine to block indefinitely in the openat2 syscall, preventing further...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via the processPIDEvents goroutine. An attacker can cause the agent to become unresponsive by triggering the goroutine to block indefinitely in the openat2 syscall, preventing further...

GHSA-F2R5-5M7W-P5CX opentelemetry-ebpf-profiler: Unprivileged process can trigger a denial of service on the ebpf-profiler agent

Summary An unprivileged process can easily trigger the processPIDEvents goroutine to be blocked indefinitely, preventing the goroutine from analyzing any new ELF file. The goroutine stays blocked in the openat2 syscall forever and the profiler can no longer work properly, it is a denial of servic...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via the processPIDEvents goroutine. An attacker can cause the agent to become unresponsive by triggering the goroutine to block indefinitely in the openat2 syscall, preventing further...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via the processPIDEvents goroutine. An attacker can cause the agent to become unresponsive by triggering the goroutine to block indefinitely in the openat2 syscall, preventing further...

PT-2026-51617

Name of the Vulnerable Software and Affected Versions opentelemetry-ebpf-profiler versions prior to 0.0.202622 Description An unprivileged process can cause a denial of service on the ebpf-profiler agent by triggering the processPIDEvents goroutine to block indefinitely. This occurs when the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Audit: Do not dereference the syscall arguments when checking the openat2 openhow::flags. According to Jeff, dereferencing the openat2 syscall argument in auditmatchperm to obtain the openhow::flags can lead to an oops/page-fault...

UBUNTU-CVE-2026-43619

Rsync version 3.4.2 and prior contain symlink race condition vulnerabilities in path-based system calls including chmod, lchown, utimes, rename, unlink, mkdir, symlink, mknod, link, rmdir, and lstat that allow local attackers to redirect operations to files outside the exported rsync module...

OCI layer symlink escape → arbitrary host write

Affected versions of boxlite extract OCI image layer tarballs without fully containing path resolution to the extraction root. A crafted layer containing a symlink whose target is an absolute on-host path e.g. escape - /tmp followed by a file entry that resolves through that symlink e.g...

Oracle Linux 9 : tar (ELSA-2026-0067)

The remote Oracle Linux 9 host has a package installed that is affected by a vulnerability as referenced in the ELSA-2026-0067 advisory. 2:1.34-9 - Fix the last patch to solve a regression with -x and --xattrs: RHEL-136277 also, fix another tiny mistake in the patch w/o visible consequences...

tar security update

2:1.34-9 - Fix the last patch to solve a regression with -x and --xattrs: RHEL-136277 also, fix another tiny mistake in the patch w/o visible consequences 2:1.34-8 - Backport upstream changes to jailify extraction directory Includes related gnulib changes to add openat2 Fixes CVE-2025-45582...

Oracle Linux 10 : tar (ELSA-2026-0002)

The remote Oracle Linux 10 host has a package installed that is affected by a vulnerability as referenced in the ELSA-2026-0002 advisory. 2:1.35-9 - Fix a tiny mistake in the last patch affecting hardling extraction w/o visible consequences 2:1.35-8 - Backport upstream changes to jailify extracti...

SUSE CVE-2022-48832

In the Linux kernel, the following vulnerability has been resolved: audit: don't deref the syscall args when checking the openat2 openhow::flags As reported by Jeff, dereferencing the openat2 syscall argument in auditmatchperm to obtain the openhow::flags can result in an oops/page-fault. This...

CVE-2022-48832

In the Linux kernel, the following vulnerability has been resolved: audit: don't deref the syscall args when checking the openat2 openhow::flags As reported by Jeff, dereferencing the openat2 syscall argument in auditmatchperm to obtain the openhow::flags can result in an oops/page-fault. This...

DEBIAN-CVE-2022-48832

In the Linux kernel, the following vulnerability has been resolved: audit: don't deref the syscall args when checking the openat2 openhow::flags As reported by Jeff, dereferencing the openat2 syscall argument in auditmatchperm to obtain the openhow::flags can result in an oops/page-fault. This...

CVE-2022-48832

In the Linux kernel, the following vulnerability has been resolved: audit: don't deref the syscall args when checking the openat2 openhow::flags As reported by Jeff, dereferencing the openat2 syscall argument in auditmatchperm to obtain the openhow::flags can result in an oops/page-fault. This...