CVE-2023-20938

CVE-2023-20938 English 漏洞分析 1. client A与client B通过上下文管理器servicemanager建立Binder连接 2. A创建node 0xbeefnode = bindernewnodeproc, fp;，B通过ref-targetnode引用node 0xbeef 3. B先正确处理targetnode 0xbeef，将引用了targetnode 0xbeef的事物bindertransaction存入A的事物队列binderenqueueworkilocked&t-work, &proc-todo;，使A可以再次引用被释放的悬挂指针 ...

CVE-2026-43494

🛠️ PinTheft — CVE-2026-43494 Linux 内核中通过 RDS + iouring 页缓存覆写实现的本地权限提升 📌 概述 PinTheft 是 CVE-2026-43494 的一个高级本地 root 漏洞利用程序，该漏洞是 Linux 内核可靠数据报套接字（RDS）子系统中的一个引用计数错误。 通过将 RDS 零拷贝路径中的双重释放与 iouring 的固定缓冲区相结合，该漏洞利用程序实现了对 SUID-root 二进制文件 的可靠 页缓存覆写 ，从而获得 本地权限提升 至 root。 一个晦涩网络路径中的微小会计错误，当与现代 iouring...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: scsi: elx: libefc: Fixed potential use after free in efcnportvportdel The krefput function will call nport-release if the reference count drops to zero. The nport-release function is efcnportfree, which frees the “nport” object...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: can: j1939: fixed Use-after-Free, failed to increment the ref count of the skb while it was in use. This patch addresses a Use-after-Free issue identified by the syzbot. The problem arises when a skb is taken from the per-session...

CVE-2026-43494-PinTheft-PoC

SLEY — PoC de PinTheft CVE-2026-43494 Prueba de concepto — uid=1000raken → uid=0root después de ./sley en WSL2 6.6.87.2-microsoft-standard-WSL2 Prueba de concepto de un solo archivo para CVE-2026-43494 PinTheft: una escalada local de privilegios en el kernel de Linux que encadena un bug de conteo...

UBUNTU-CVE-2026-80995

In the Linux kernel, the following vulnerability has been resolved: net: mctp: hold a reference to the route device in mctproutelookup mctproutelookup uses rt-dev without holding a reference on it. mctproutelookupsingle returns the route under RCU only, so the route's device can be torn down...

CVE-2026-89527

In the Linux kernel, the following vulnerability has been resolved: svcrdma: Use svcxprtput to free listener on create failure svcrdmacreate calls kfreecmaxprt when svcrdmacreatelistenid fails. svcxprtinit has already acquired a net namespace reference via getnettrack; kfree bypasses svcxprtfree...

UBUNTU-CVE-2026-89504

In the Linux kernel, the following vulnerability has been resolved: regulator: as3722getregulatordtdata: fix premature ofnodeput leaving dangling ofnode pointer In as3722getregulatordtdata, ofgetchildbyname acquires a reference on np, which is then assigned to pdev-dev.ofnode. The function...

CVE-2026-89504

In the Linux kernel, the following vulnerability has been resolved: regulator: as3722getregulatordtdata: fix premature ofnodeput leaving dangling ofnode pointer In as3722getregulatordtdata, ofgetchildbyname acquires a reference on np, which is then assigned to pdev-dev.ofnode. The function...

Linux Distros Unpatched Vulnerability : CVE-2026-89536

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - SUNRPC: wait for in-flight client TLS handshake callback xstlshandshakesync gives xstlshandshakedone a reference to the lower transport before submitting the...

AZL-100259 CVE-2026-89750 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: tracing/userevents: Clear copied tracing state before fork duplication duptaskstruct copies usereventmm from the parent into the child, without grabbing a reference to it. usereventmmdup should replace it, but it leaves that copi...

CVE-2026-89710

In the Linux kernel, the following vulnerability has been resolved: NFSv4.1: fix layout segment leak on the pnfslayoutprocess forget path When the server returns a new layout stateid while a valid one is still held, pnfslayoutprocess calls pnfsmarkmatchinglsegsreturn on the on-stack freeme list a...

AZL-100325 CVE-2026-89697 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: nfsd: add fhwantwrite for early-verified SETATTR in nfsdprocsetattr The BOTHTIMESET branch calls fhverify early so setattrprepare can inspect the dentry. This causes nfsdsetattr to skip fhwantwrite, so notifychange runs without a...

CVE-2026-89527

In the Linux kernel, the following vulnerability has been resolved: svcrdma: Use svcxprtput to free listener on create failure svcrdmacreate calls kfreecmaxprt when svcrdmacreatelistenid fails. svcxprtinit has already acquired a net namespace reference via getnettrack; kfree bypasses svcxprtfree...

CVE-2026-89750 tracing/user_events: Clear copied tracing state before fork duplication

In the Linux kernel, the following vulnerability has been resolved: tracing/userevents: Clear copied tracing state before fork duplication duptaskstruct copies usereventmm from the parent into the child, without grabbing a reference to it. usereventmmdup should replace it, but it leaves that copi...

CVE-2026-89663 nfsd: revoke copy-notify stateids before dropping their reference

In the Linux kernel, the following vulnerability has been resolved: nfsd: revoke copy-notify stateids before dropping their reference Copy-notify stateids live in the s2scpstateids IDR and on their parent stid's sccplist, pinned by a single membership reference. freecpntfstatelocked only unlinks ...

CVE-2026-89663 nfsd: revoke copy-notify stateids before dropping their reference

In the Linux kernel, the following vulnerability has been resolved: nfsd: revoke copy-notify stateids before dropping their reference Copy-notify stateids live in the s2scpstateids IDR and on their parent stid's sccplist, pinned by a single membership reference. freecpntfstatelocked only unlinks ...

EUVD-2026-76575

In the Linux kernel, the following vulnerability has been resolved: nfsd: revoke copy-notify stateids before dropping their reference Copy-notify stateids live in the s2scpstateids IDR and on their parent stid's sccplist, pinned by a single membership reference. freecpntfstatelocked only unlinks ...

CVE-2026-89654

In the Linux kernel, the following vulnerability has been resolved: ceph: fix UAF in checknewmap on session freed during unlock checknewmap iterates mdsc-sessions and for each active session drops mdsc-mutex to perform per-session operations. The forced-close path rank removed from map correctly...

CVE-2026-89654 ceph: fix UAF in check_new_map() on session freed during unlock

In the Linux kernel, the following vulnerability has been resolved: ceph: fix UAF in checknewmap on session freed during unlock checknewmap iterates mdsc-sessions and for each active session drops mdsc-mutex to perform per-session operations. The forced-close path rank removed from map correctly...