Important: Red Hat Security Advisory: kernel security, bug fix, and enhancement update

An update for kernel is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

kernel: tipc: fix double-free in tipc_buf_append()

A flaw was found in the Linux kernel's Transparent Inter-Process Communication TIPC module. This vulnerability, a double-free, occurs when the tipcbufappend function incorrectly handles memory after a socket buffer skb reallocation. An attacker could potentially exploit this to cause system...

Important: Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update

An update for kernel-rt is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

kernel: tipc: fix double-free in tipc_buf_append()

A flaw was found in the Linux kernel's Transparent Inter-Process Communication TIPC module. This vulnerability, a double-free, occurs when the tipcbufappend function incorrectly handles memory after a socket buffer skb reallocation. An attacker could potentially exploit this to cause system...

ROS-20260923-73-0010

The vulnerability of the tipcbufAppend function in the net/tipc/msg.c module of the Linux operating system is related to the repeated release of previously released memory. Exploiting this vulnerability can allow an attacker to compromise the confidentiality, integrity, and accessibility of the...

CVE-2024-36886

N-Day Vulnerability Research Overview This project focuses on N-Day vulnerabilities in the Linux kernel, with an emphasis on understanding their lifecycle, analyzing their impact, and exploring mitigation strategies. N-Day vulnerabilities are publicly disclosed flaws that remain unpatched on many...

kernel: tipc: fix double-free in tipc_buf_append()

A flaw was found in the Linux kernel's Transparent Inter-Process Communication TIPC module. This vulnerability, a double-free, occurs when the tipcbufappend function incorrectly handles memory after a socket buffer skb reallocation. An attacker could potentially exploit this to cause system...

kernel: tipc: fix double-free in tipc_buf_append()

A flaw was found in the Linux kernel's Transparent Inter-Process Communication TIPC module. This vulnerability, a double-free, occurs when the tipcbufappend function incorrectly handles memory after a socket buffer skb reallocation. An attacker could potentially exploit this to cause system...

kernel: tipc: fix double-free in tipc_buf_append()

A flaw was found in the Linux kernel's Transparent Inter-Process Communication TIPC module. This vulnerability, a double-free, occurs when the tipcbufappend function incorrectly handles memory after a socket buffer skb reallocation. An attacker could potentially exploit this to cause system...

CVE-2026-64563_EXP

CVE-2026-64563EXP 仅供实验研究，prefetch和nperm的代码（需要设置的内存参考set.gdb）未附加，未进行优化命中概率低 作者关注到该漏洞作者已发布该漏洞相关信息：https://github.com/google/security-research/pull/414 利用思路截然不同，由于未完整验证该利用思路持保守意见（主要是sock自旋锁是否能竞态作者并未实测，按照代码片面理解可以通过timerfd硬中断进行竞态） 前置分析：https://xz.aliyun.com/news/92649...

CVE-2022-0435-Poc

CVE-2022-0435stack overflow wget https://releases.ubuntu.com/jammy/ubuntu-22.04.5-live-server-amd64.iso mkdir kernel wget https://kernel.ubuntu.com/mainline/v5.13/amd64/linux-headers-5.13.0-051300-generic5.13.0-051300.202106272333amd64.deb wget...

CVE-2021-43267

CVE-2021-43267 Local PoC exploit for CVE-2021-43267 Linux TIPC Reference: https://haxx.in/posts/pwning-tipc/...

CVE-2026-56923

In handleunmapreq of tipcvirtiodev.c, there is a possible memory corruption due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation...

CVE-2026-56923

CVE-2026-56923 is a race condition in the handle_unmap_req function of tipc_virtio_dev.c, a kernel driver component of Android (Pixel), that can cause memory corruption . Successful exploitation allows local privilege escalation without requiring additional execution privileges or user interactio...

CVE-2026-56923

In handleunmapreq of tipcvirtiodev.c, there is a possible memory corruption due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation...

CVE-2026-56923

In handleunmapreq of tipcvirtiodev.c, there is a possible memory corruption due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation...

PT-2026-92317

In handle unmap req of tipc virtio dev.c, there is a possible memory corruption due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation...

MiracleLinux 9 : kernel-5.14.0-687.33.1.el9_8 (AXSA:2026-1817:79)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-1817:79 advisory. kernel: ipc: limit nextid allocation to the valid ID range CVE-2026-52923 kernel: tipc: fix double-free in tipcbufappend CVE-2026-52993 kernel: net:...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: tipc: skblinearize the head skb when reassembling msgs It’s not a good idea to append the frag skb to a skb’s fraglist if the fraglist already contains skbs from elsewhere. For example, this frag skb was created by pskbcopy, wher...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: tipc: Force a dst refcount before doing decryption As stated in commit 3bc07321ccc2 “xfrm: Force a dst refcount before entering the xfrm type handlers”: “Crypto requests might return asynchronously. In this case, we leave the rcu...