CVE-2016-0728

CVE-2016-0728 Seccamp 2017 課題 以下のプログラムはLinuxカーネル3.8〜4.4に存在する脆弱性を悪用しています。このプログラムの実行により発生する不具合を説明してください。また、この脆弱性をさらに悪用することでroot権限昇格を行うエクスプロイトを記述し、自分が試した動作環境や工夫点等を説明してください。加えて、このような攻撃を緩和する対策手法をなるべく多く挙げ、それらを説明してください。...

CVE

cve: 与 CVE-2016-0728 相关的代码集合（多位作者） 来自 Linux 的代码摘录，展示该漏洞的演变与修复过程 来自 Perception Point 的漏洞利用代码，并添加了逐行注释，解释每行代码的作用。 一个简短的脚本，利用该信息泄漏递增引用计数，可用于判断你的系统是否存在此漏洞。 一个绕过系统调用包装器的漏洞利用版本（适用于未实现 keycntl 包装器的系统）。 2016 年 1 月发布的首个紧急补丁 复现此漏洞利用的最佳方式是找到下方列出的受影响的 Linux 构建版本。ISO 镜像可能包含向后移植的补丁，因此你需要下载源代码并自行编译。 在较新版本的...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Landlock: Do not lose track of restrictions on credtransfer. When a process’s credstruct is replaced, this mechanism almost always invokes the credprepare LSM hook. However, in one special case when KEYCTLSESSIONTOPARENT updates...

CVE-2008-0600

creationtimestamp| type| source ---|---|--- 2026-09-07 22:00:05+00:00| seen| Telegram/rgUS2xfP1LazmiWNfolsR27C0veXqG1jSYUwYlaoY9G7E0 2026-09-08 00:00:09+00:00| published-proof-of-concept| Telegram/rgUS2xfP1LazmiWNfolsR27C0veXqG1jSYUwYlaoY9G7E0 2026-09-09 05:00:06+00:00| seen|...

CVE-2026-63824

A flaw was found in the Linux kernel's keyctlpkeyparamsget2 function within the KEYS subsystem. The vulnerability arises from an incorrect calculation of the internal output buffer's length, which can lead to a buffer overflow when a user-provided buffer is too small. This flaw could allow a loca...

SUSE CVE-2026-63824

In the Linux kernel, the following vulnerability has been resolved: KEYS: fix overflow in keyctlpkeyparamsget2 The length for the internal output buffer is calculated incorrectly, which can result overflow when a too small buffer is provided. Fix the bug by allocating internal output with the siz...

CVE-2026-63824

In the Linux kernel, the following vulnerability has been resolved: KEYS: fix overflow in keyctlpkeyparamsget2 The length for the internal output buffer is calculated incorrectly, which can result overflow when a too small buffer is provided. Fix the bug by allocating internal output with the siz...

CVE-2026-63824

CVE-2026-63824 — Linux kernel KEYS overflow : The issue arises from an incorrect calculation of the internal output buffer size in keyctl_pkey_params_get_2(), which can overflow a too-small caller-provided buffer. The vulnerability is rooted in the kernel’s handling of cryptographic primitive len...

EUVD-2026-45490

In the Linux kernel, the following vulnerability has been resolved: KEYS: fix overflow in keyctlpkeyparamsget2 The length for the internal output buffer is calculated incorrectly, which can result overflow when a too small buffer is provided. Fix the bug by allocating internal output with the siz...

CVE-2026-63824 KEYS: fix overflow in keyctl_pkey_params_get_2()

In the Linux kernel, the following vulnerability has been resolved: KEYS: fix overflow in keyctlpkeyparamsget2 The length for the internal output buffer is calculated incorrectly, which can result overflow when a too small buffer is provided. Fix the bug by allocating internal output with the siz...

CVE-2026-63824 KEYS: fix overflow in keyctl_pkey_params_get_2()

In the Linux kernel, the following vulnerability has been resolved: KEYS: fix overflow in keyctlpkeyparamsget2 The length for the internal output buffer is calculated incorrectly, which can result overflow when a too small buffer is provided. Fix the bug by allocating internal output with the siz...

CVE-2026-63824

In the Linux kernel, the following vulnerability has been resolved: KEYS: fix overflow in keyctlpkeyparamsget2 The length for the internal output buffer is calculated incorrectly, which can result overflow when a too small buffer is provided. Fix the bug by allocating internal output with the siz...

Linux Distros Unpatched Vulnerability : CVE-2026-63824

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - KEYS: fix overflow in keyctlpkeyparamsget2 The length for the internal output buffer is calculated incorrectly, which can result overflow when a too small buffe...

PT-2026-61140

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An overflow occurs in the keyctl pkey params get 2 function due to an incorrect calculation of the internal output buffer length. This issue manifests when a buffer that is too small is...

CVE-2026-43492 lib/crypto: mpi: Fix integer underflow in mpi_read_raw_from_sgl()

In the Linux kernel, the following vulnerability has been resolved: lib/crypto: mpi: Fix integer underflow in mpireadrawfromsgl Yiming reports an integer underflow in mpireadrawfromsgl when subtracting "lzeros" from the unsigned "nbytes". For this to happen, the scatterlist "sgl" needs to occupy...

PT-2026-41874

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An integer underflow exists in the mpi read raw from sgl function. This occurs when the number of leading zeros in a scatterlist exceeds the nbytes parameter, causing an underflow during...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-000727)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000727 advisory. The keyctlreadkey function in security/keys/keyctl.c in the Key Management subcomponent in the Linux kernel before 4.13.5 does not properly consider that a key may b...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-000707)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000707 advisory. The keyctlreadkey function in security/keys/keyctl.c in the Linux kernel before 4.3.4 does not properly use a semaphore, which allows local users to cause a denial o...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001135)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001135 advisory. security/keys/keyctl.c in the Linux kernel before 4.11.5 does not consider the case of a NULL payload in conjunction with a nonzero length value, which allows local...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001073)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001073 advisory. The keyringdetectcycleiterator function in security/keys/keyring.c in the Linux kernel through 3.13.6 does not properly determine whether keyrings are identical, whi...