Linux-Kernel-Copy-Fail-CVE-2026-31431-

Copy FailCVE-2026-31431 漏洞分析与应对实践 本项目分析了 Linux Kernel Copy FailCVE-2026-31431 漏洞的工作原理，并利用公开 PoC 仓库的非破坏性 checker 对比了补丁前后的状态，是一个微型项目。 实际并未执行 setuid 二进制文件篡改或 /etc/passwd 篡改漏洞利用，而是专注于基于临时 testfile 的安全漏洞检测，以及从检测/缓解角度进行的分析。 1. 项目目标 本项目的目的并非单纯执行漏洞利用，而是理解 Linux 内核漏洞是如何通过内部结构的组合产生的，并从运维角度总结如何确认和应对。 研究范围如下...

CVE-2026-40572 NovumOS has Arbitrary Memory Mapping via Syscall 15 (MemoryMapRange)

NovumOS is a custom 32-bit operating system written in Zig and x86 Assembly. In versions prior to 0.24, Syscall 15 MemoryMapRange allows Ring 3 user-mode processes to map arbitrary virtual address ranges into their address space without validating against forbidden regions, including critical...

CVE-2026-40572

NovumOS is a custom 32-bit operating system written in Zig and x86 Assembly. In versions prior to 0.24, Syscall 15 MemoryMapRange allows Ring 3 user-mode processes to map arbitrary virtual address ranges into their address space without validating against forbidden regions, including critical...

CVE-2026-40572 NovumOS has Arbitrary Memory Mapping via Syscall 15 (MemoryMapRange)

NovumOS is a custom 32-bit operating system written in Zig and x86 Assembly. In versions prior to 0.24, Syscall 15 MemoryMapRange allows Ring 3 user-mode processes to map arbitrary virtual address ranges into their address space without validating against forbidden regions, including critical...

CVE-2026-40572

NovumOS vulnerability CVE-2026-40572: In versions prior to 0.24, Syscall 15 (MemoryMapRange) lets Ring-3 user processes map arbitrary virtual ranges into their address space without validating against forbidden regions, including kernel structures (IDT, GDT, TSS, page tables). This can allow a lo...

PT-2026-33549

Name of the Vulnerable Software and Affected Versions NovumOS versions prior to 0.24 Description Syscall 15 'MemoryMapRange' allows Ring 3 user-mode processes to map arbitrary virtual address ranges into their address space without validating against forbidden regions. This includes critical kern...

CVE-2026-29923

The pstrip64.sys driver in EnTech Taiwan PowerStrip =3.90.736 allows local users to escalate privileges to SYSTEM via a crafted IOCTL request enabling unprivileged users to map arbitrary physical memory into their address space and modify critical kernel structures...

CVE-2026-29923

The pstrip64.sys driver in EnTech Taiwan PowerStrip =3.90.736 allows local users to escalate privileges to SYSTEM via a crafted IOCTL request enabling unprivileged users to map arbitrary physical memory into their address space and modify critical kernel structures...

CVE-2026-29923

The pstrip64.sys driver in EnTech Taiwan PowerStrip =3.90.736 allows local users to escalate privileges to SYSTEM via a crafted IOCTL request enabling unprivileged users to map arbitrary physical memory into their address space and modify critical kernel structures...

CVE-2026-29923

The CVE relates to EnTech Taiwan PowerStrip ≤ 3.90.736 where the pstrip64.sys kernel driver exposes IOCTL 0x80002008 that, without proper checks, maps arbitrary physical memory into an unprivileged process via \Device\PhysicalMemory/ZwMapViewOfSection. This creates an unrestricted physical memory...

PT-2026-31701

Name of the Vulnerable Software and Affected Versions EnTech Taiwan PowerStrip versions up to and including 3.90.736 Description The pstrip64.sys driver in EnTech Taiwan PowerStrip allows local users to escalate privileges to SYSTEM via a crafted IOCTL request. This enables unprivileged users to...

FreeBSD ktrace 安全漏洞

FreeBSD ktrace is a tool from the FreeBSD Foundation for tracing system calls. An information disclosure vulnerability exists in FreeBSD ktrace due to a flaw in the ktrace facility. An attacker can exploit the vulnerability to obtain the contents of kernel structure information...

Linux Kernel 2.6.34+ - CAP_SYS_ADMIN x86 & x64 Local Privilege Escalation Exploit (2)

No description provided by source. / Linux Kernel CAPSYSADMIN to Root Exploit 2 32 and 64-bit by Joe Sylve @jtsylve on twitter Released: Jan 7, 2011 Based on the bug found by Dan Rosenberg @djrbliss only loosly based on his exploit http://www.exploit-db.com/exploits/15916/ Usage: gcc -w...

APPLE-SA-2013-03-19-2 Apple TV 5.2.1

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 APPLE-SA-2013-03-19-2 Apple TV 5.2.1 Apple TV 5.2.1 is now available and addresses the following: Apple TV Available for: Apple TV 2nd generation and later Impact: A local user may be able to execute unsigned code Description: A state management issue...

Linux Kernel 2.6.34 (Ubuntu 10.10 x86x64) - CAP_SYS_ADMIN Local Privilege Escalation (2)

Linux Kernel 2.6.34 Ubuntu 10.10 x86x64 - CAPSYSADMIN Local Privilege Escalation 2 / Linux Kernel CAPSYSADMIN to Root Exploit 2 32 and 64-bit by Joe Sylve @jtsylve on twitter Released: Jan 7, 2011 Based on the bug found by Dan Rosenberg @djrbliss only loosly based on his exploit...

Windows GDI Privilege Elevation

Added: 05/25/2009 CVE: CVE-2006-5758 BID: 20940 OSVDB: 30214 Background The Graphics Rendering Engine in Microsoft Windows 2000 and Windows XP maps GDI Kernel structures on a global shared memory section that is created with insecure permissions. Problem Users with local access can remap the shar...

Windows GDI Privilege Elevation

Added: 05/25/2009 CVE: CVE-2006-5758 BID: 20940 OSVDB: 30214 Background The Graphics Rendering Engine in Microsoft Windows 2000 and Windows XP maps GDI Kernel structures on a global shared memory section that is created with insecure permissions. Problem Users with local access can remap the shar...

Windows GDI Privilege Elevation

Added: 05/25/2009 CVE: CVE-2006-5758 BID: 20940 OSVDB: 30214 Background The Graphics Rendering Engine in Microsoft Windows 2000 and Windows XP maps GDI Kernel structures on a global shared memory section that is created with insecure permissions. Problem Users with local access can remap the shar...

Memory corruption

The Intel 2200BG 802.11 Wireless Mini-PCI driver 9.0.3.9 w29n51.sys allows remote attackers to cause a denial of service system crash via crafted disassociation packets, which triggers memory corruption of "internal kernel structures," a different vulnerability than CVE-2006-6651. NOTE: this issu...

CVE-2007-0686

The Intel 2200BG 802.11 Wireless Mini-PCI driver 9.0.3.9 w29n51.sys allows remote attackers to cause a denial of service system crash via crafted disassociation packets, which triggers memory corruption of "internal kernel structures," a different vulnerability than CVE-2006-6651. NOTE: this issu...