CVE-2017-1000367

CVE-2017-1000367 我々は、Linux向けSudoのgetprocessttynameに脆弱性を発見しました。この関数は“/proc/pid/stat”（man proc）を開き、フィールド7（ttynr）からttyのデバイス番号を読み取ります。残念ながら、これらのフィールドはスペース区切りであり、フィールド2（comm、コマンドのファイル名）にはスペースを含めることができます（CVE-2017-1000367）。 例えば、シンボリックリンク“./ 1...

CVE-2026-3854-PoC

CVE-2026-3854 PoC — X-Stat Push Option Injection による GitHub RCE 教育目的および許可を得たセキュリティ研究目的のみに使用してください。 明示的な書面による許可なしに、いかなるシステムに対しても使用しないでください。 概要 CVE-2026-3854 は、GitHub Enterprise Server（および GitHub.com）の git push パイプラインにおけるリモートコード実行（RCE）の脆弱性です。 クライアントが push オプション（git push -o）を指定すると、GitHub の内部 Ruby...

CVE-2026-3854

CVE-2026-3854: GitHub における X-Stat ヘッダーインジェクションによる RCE Wiz Research が GitHub.com および GitHub Enterprise Server の内部 git push パイプラインで発見した脆弱性の仕組みに関する実践的な概要。 注意 この資料は教育目的および攻撃的セキュリティ研究を目的としています。 この脆弱性は、サポートされているすべてのバージョンで GitHub によってすでに修正されています。 自分が所有していない環境、または書面による明示的な許可を得ていない環境に対して再現を試みないでください。...

CVE-2011-0762

CVE-2011-0762 Exploit Exploit en C para la vulnerabilidad CVE-2011-0762 en servidores FTP que permite el envío de un comando STAT con una carga útil maliciosa para causar posibles fallos o ejecución no deseada. Descripción Este exploit se conecta a un servidor FTP y autentica usando un usuario y...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: procfs: Fixed a missing RCU protection when reading realparent in dotaskstat. When reading /proc/pid/stat, dotaskstat accesses task-realparent without proper RCU protection. This leads to the following sequence of events: cpu 0 c...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ftrace: Avoid potential division by zero in the functionstatshow function. Check whether the denominator expression x x - 1 1000 mod 2^32, 2^64 results in zero, and skip the calculation of stddev in such cases. For now, don’t wor...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Wifi: mt76: mt7921s – Fixed the issue where potentially hung tasks might occur during chip recovery. During chip recovery e.g., chip reset, there is a possibility that the kernel worker resetwork holds a lock and waits for the...

Linux Distros Unpatched Vulnerability : CVE-2026-89460

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - s390/cpumcf: Handle CPU hotplug via prepare/dead callbacks The command 'perf stat -e cycles -- ' crashes the kernel when CPUs are hotplug added during that run...

CVE-2026-89460

A flaw was found in the Linux kernel. A local user can trigger a kernel panic by running the perf stat command while CPUs are being hotplugged. This occurs because the system fails to properly allocate CPU event structures for newly online CPUs, leading to a null pointer dereference. Successful...

CVE-2026-89460

In the Linux kernel, the following vulnerability has been resolved: s390/cpumcf: Handle CPU hotplug via prepare/dead callbacks The command 'perf stat -e cycles -- ' crashes the kernel when CPUs are hotplug added during that run. Root cause is the allocation of struct cpucfevents at first event...

CVE-2026-89460

In the Linux kernel, the following vulnerability has been resolved: s390/cpumcf: Handle CPU hotplug via prepare/dead callbacks The command 'perf stat -e cycles -- ' crashes the kernel when CPUs are hotplug added during that run. Root cause is the allocation of struct cpucfevents at first event...

UBUNTU-CVE-2026-89460

In the Linux kernel, the following vulnerability has been resolved: s390/cpumcf: Handle CPU hotplug via prepare/dead callbacks The command 'perf stat -e cycles -- ' crashes the kernel when CPUs are hotplug added during that run. Root cause is the allocation of struct cpucfevents at first event...

CVE-2026-89460 s390/cpum_cf: Handle CPU hotplug via prepare/dead callbacks

In the Linux kernel, the following vulnerability has been resolved: s390/cpumcf: Handle CPU hotplug via prepare/dead callbacks The command 'perf stat -e cycles -- ' crashes the kernel when CPUs are hotplug added during that run. Root cause is the allocation of struct cpucfevents at first event...

CVE-2026-89460

CVE-2026-89460 affects the Linux kernel on s390 systems using the CPUMF (Command Processor Measurement Facility) PMU driver. The root cause is that per-CPU cpu_cf_events structures are allocated only for CPUs online at event-creation time. If a CPU is hotplugged online during a perf stat run with...

CVE-2026-89460 s390/cpum_cf: Handle CPU hotplug via prepare/dead callbacks

In the Linux kernel, the following vulnerability has been resolved: s390/cpumcf: Handle CPU hotplug via prepare/dead callbacks The command 'perf stat -e cycles -- ' crashes the kernel when CPUs are hotplug added during that run. Root cause is the allocation of struct cpucfevents at first event...

CVE-2026-89460

In the Linux kernel, the following vulnerability has been resolved: s390/cpumcf: Handle CPU hotplug via prepare/dead callbacks The command 'perf stat -e cycles -- ' crashes the kernel when CPUs are hotplug added during that run. Root cause is the allocation of struct cpucfevents at first event...

PT-2026-90176

In the Linux kernel, the following vulnerability has been resolved: s390/cpum cf: Handle CPU hotplug via prepare/dead callbacks The command 'perf stat -e cycles -- ' crashes the kernel when CPUs are hotplug added during that run. Root cause is the allocation of struct cpu cf events at first event...

Important: kbd

Issue Overview: openvt -u is intended to identify the owner of the current VT and then execute login as that user from a privileged context. In the documented kbrequest/init usage, the ownership test in authenticateuser relies on stat"/proc//fd/0". stat on /proc//fd/0 follows the symlink to the...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098812)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098812 advisory. In the Linux kernel, the following vulnerability has been resolved: ethtool: Avoid overflowing userspace buffer on stats query The ethtool -S command operates across...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: afs: Fixed dynamic root getattr The recent patch to modify afagetattr to consult the server did not take into account the pseudo-inodes used by the dynamic root-type afa superblock. As a result, there was an oops when such a...