x18-leak

x18-leak iOS 11.2 引入了一个内核信息泄露漏洞，可用于确定 kASLR 偏移量。该问题是新增功能 ARMKERNELPROTECT 带来的意外后果，它导致在使用 threadgetstate 获取线程寄存器值时，内核函数 Lel0synchronousvector64long 的地址意外出现在寄存器 x18 中。该问题是在 iOS 应用崩溃日志中出现内核指针时被发现的。 漏洞详情 在 iOS 11.2 中，Apple 在 arm64 上引入了一项名为 ARMKERNELPROTECT 的功能。根据 osfmk/arm64/procreg.h 中的注释：...

CVE-2019-8540

CVE-2019-8540 Fuga de información de la pila del kernel en la función exportObjectToClient detalles del error: macOSrelease; return kIOReturnSuccess; Sabemos que ioobjectt tiene una longitud de 8 bytes y en 1 se fuerza la conversión a machportnamet 4 bytes, por lo que los 4 bytes superiores no se...

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

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fixed a kernel-infoleak in nilfsioctlwrapcopy The ioctl helper function nilfsioctlwrapcopy, which exchanges a metadata array to/from user space, may copy uninitialized buffer regions to user space memory for read-only ioc...

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

In the Linux kernel, the following vulnerabilities have been resolved: uprobes: Fixed a kernel information leak via “uprobes” vma. xoladdvma: Maps the uninitialized page allocated by createxolarea into user space. On some architectures x86, this memory is readable even without VMREAD or VMEXEC;...

SUSE CVE-2026-80543

In the Linux kernel, the following vulnerability has been resolved: s390/zcrypt: Pad trailing CCA or EP11 message with zeros The both functions xcrbmsgtotype6cprbmsgx and xcrbmsgtotype6ep11cprbmsgx copy the user space message into a kernel buffer based on the message length. But on further...

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

In the Linux kernel, the following vulnerability has been resolved: USB: usbtmc: prevented kernel-usb-infoleak. The syzbot reported a kernel-usb-infoleak in usbtmcwrite; we need to clear the structure before filling the fields...

CVE-2026-49425 Kernel stack disclosure in 32-bit compatibility support

The compat32 kevent handler translates a 64-bit kevent struct into a stack- declared 32-bit struct. It did not first zero the stack struct. An unprivileged user may observe a small amount of uninitialized kernel stack data, which may contain sensitive information...

AZL-96354 CVE-2026-74577 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: net: mpls: initialize rtmtos in mplsgetroute mplsgetroute builds the RTMNEWROUTE reply to an RTMGETROUTE request by filling a struct rtmsg allocated from an skb whose data area is not zeroed allocskbNLMSGGOODSIZE, .... It sets...

Linux Distros Unpatched Vulnerability : CVE-2026-72305

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - VDUSE: avoid leaking information to userspace The bounceing is not necessarily page aligned, so current VDUSE can leak kernel information through mapping bounce...

Linux Distros Unpatched Vulnerability : CVE-2026-68288

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: dropmonitor: fix info leak in NETDMATTRPAYLOAD netdmpacketreportfill and netdmhwpacketreportfill open code the NETDMATTRPAYLOAD attribute to avoid zeroing...

RHEL 9 : kernel (RHSA-2026:44385)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:44385 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: VMCI: Fix use-after-free when...

SUSE CVE-2026-53243

In the Linux kernel, the following vulnerability has been resolved: rseq: Fix using an uninitialized stack variable in rseqexituserupdate There is an bug in which an uninitialized stack variable is used in rseqexituserupdate as reported by syzbot: BUG: KMSAN: kernel-infoleak in rseqsetidsgetcsadd...

CVE-2026-53243

In the Linux kernel, the following vulnerability has been resolved: rseq: Fix using an uninitialized stack variable in rseqexituserupdate There is an bug in which an uninitialized stack variable is used in rseqexituserupdate as reported by syzbot: BUG: KMSAN: kernel-infoleak in rseqsetidsgetcsadd...

EUVD-2026-39194

In the Linux kernel, the following vulnerability has been resolved: rseq: Fix using an uninitialized stack variable in rseqexituserupdate There is an bug in which an uninitialized stack variable is used in rseqexituserupdate as reported by syzbot: BUG: KMSAN: kernel-infoleak in rseqsetidsgetcsadd...

kernel: ipv6: use RCU in ip6_output()

A use-after-free flaw was found in ip6finishoutput2 in net/ipv6/ip6output.c in ipv6 access. This flaw could allow an attacker to crash the system at device disconnect. This vulnerability could even lead to a kernel information leak problem...

PT-2026-52338

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists where an uninitialized stack variable is used within the rseq exit user update function. This occurs because the evaluation order of expressions in an initializer list is...

UBUNTU-CVE-2026-45856

In the Linux kernel, the following vulnerability has been resolved: RDMA/uverbs: Validate wqesize before using it in ibuverbspostsend ibuverbspostsend uses cmd.wqesize from userspace without any validation before passing it to kmalloc and using the allocated buffer as struct ibuverbssendwr. If a...

CVE-2026-43040 net: ipv6: ndisc: fix ndisc_ra_useropt to initialize nduseropt_padX fields to zero to prevent an info-leak

In the Linux kernel, the following vulnerability has been resolved: net: ipv6: ndisc: fix ndiscrauseropt to initialize nduseroptpadX fields to zero to prevent an info-leak When processing Router Advertisements with user options the kernel builds an RTMNEWNDUSEROPT netlink message. The nduseroptms...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006810)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006810 advisory. In the Linux kernel, the following vulnerability has been resolved: net/sched: actskbmod: prevent kernel-infoleak syzbot found that tcfskbmoddump was copying four...

CVE-2026-22978

In the Linux kernel, the following vulnerability has been resolved: wifi: avoid kernel-infoleak from struct iwpoint struct iwpoint has a 32bit hole on 64bit arches. struct iwpoint void user pointer; / Pointer to the data in user space / u16 length; / number of fields or size in bytes / u16 flags;...