CVE-2004-0558

这是针对CVE-2004-0558的概念验证利用程序 特定版本的CUPs（1.1.x）在接收到零长度UDP数据包时存在拒绝服务漏洞 https://www.exploit-db.com/exploits/24599/ 值得注意的是，使用nmap也可以实现此攻击，该利用程序仅用于研究和教育目的。 用法： python kill-cups.py -t 192.168.1.91 附加的命令行标志仅用于研究目的。UDP要求数据包头部使用任意源端口。在利用程序中，我默认将其设置为4321，但如有必要可以更改。 python kill-cups.py -t 192.168.1.91...

CVE-2026-93395 Integer Underflow → Heap Out-of-Bounds Read in `bson_new_from_buffer()

A missing lower-bound validation in the bsonnewfrombuffer function of libbson allows an integer underflow when processing BSON data with a zero-length prefix. The function reads a 32-bit document length from the input buffer but does not verify that the value is at least 5 the minimum valid BSON...

cve-2025-39682

Exploit de CVE-2025-39682 en instancia de mitigación de kernelCTF Este es también mi primer exploit de 1 día ? no sé, esta es una variante de CVE-2024-58239. Parche: tls: corrige el manejo de registros de longitud cero en rxlist Este CVE se usó en exp398 y exp403. Hoja de cálculo de kernelCTF. Pa...

DEBIAN-CVE-2026-90370

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7996: bound TLV walk in mt7996mcugetchipconfig The response TLV loop advanced by tlv-len without a minimum, so a theoretical firmware response containing a zero-length TLV could spin forever, hanging the CPU during...

EUVD-2026-82031

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7996: bound TLV walk in mt7996mcugetchipconfig The response TLV loop advanced by tlv-len without a minimum, so a theoretical firmware response containing a zero-length TLV could spin forever, hanging the CPU during...

CVE-2026-40369

这是对 VoidSec 公开技术分析 CVE-2026-40369 的改写和总结，添加了流程图和防御笔记，以便我自己理解。 所有核心技术细节均来自他的研究。我并未对此漏洞进行独立的逆向工程。 CVE-2026-40369：关于 12 字节 Windows 内核递增加载原语的防御分析 一项关于 CVE-2026-40369 的防御性技术分析，这是一个 Windows 内核权限提升漏洞，通过 NtQuerySystemInformation（信息类 0xFD / 253）提供了一个受限的 12 字节加法写入原语。 本报告重点关注利用约束条件、根本原因分析和防御影响，而非武器化利用。 概述...

DEBIAN-CVE-2026-90996

A flaw was found in sssd. A local unprivileged user could send a specially crafted request with a zero-length body to the Network Security Services NSS responder. This could lead to a denial-of-service condition, causing the NSS responder to become unstable or terminate. This vulnerability affect...

CVE-2026-90996

A flaw was found in sssd. A local unprivileged user could send a specially crafted request with a zero-length body to the Network Security Services NSS responder. This could lead to a denial-of-service condition, causing the NSS responder to become unstable or terminate. This vulnerability affect...

EUVD-2026-77590

A flaw was found in sssd. A local unprivileged user could send a specially crafted request with a zero-length body to the Network Security Services NSS responder. This could lead to a denial-of-service condition, causing the NSS responder to become unstable or terminate. This vulnerability affect...

CVE-2026-90996 Sssd: sssd: denial of service in nss responder via crafted zero-length requests

A flaw was found in sssd. A local unprivileged user could send a specially crafted request with a zero-length body to the Network Security Services NSS responder. This could lead to a denial-of-service condition, causing the NSS responder to become unstable or terminate. This vulnerability affect...

CVE-2026-90996

sssd (System Security Services Daemon) is vulnerable to a denial-of-service condition in its NSS (Network Security Services) responder . A local unprivileged user can send a specially crafted request with a zero-length body , causing the NSS responder to become unstable or terminate, degrading th...

CVE-2026-90996

A flaw was found in sssd. A local unprivileged user could send a specially crafted request with a zero-length body to the Network Security Services NSS responder. This could lead to a denial-of-service condition, causing the NSS responder to become unstable or terminate. This vulnerability affect...

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

In the Linux kernel, the following vulnerabilities have been resolved: net: USB: Fixed an error in the warning message for incorrect direction handling in plusb.c. The syzbot fuzzer detected a bug in the plusb network driver: A zero-length control-OUT transfer was incorrectly processed as a read...

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

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btrtl – Prevent potential NULL dereferencing. The btrtlinitialize function checks whether rtlloadfile either had an error or loaded a zero-length file. However, if it loads a zero-length file, the error code is not set...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: bpf, sockmap: Fixed an infinite loop issue when len is 0 in the tcpbpfrecvmsg parser. When the buffer length of the recvmsg system call is 0, a soft lockup problem occurred. watchdog: BUG: Soft lockup – CPU3 stuck for 27...

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

In the Linux kernel, the following vulnerability has been resolved: crypto: marvell/cesa – Handles zero-length skcipher requests. Do not access random memory for zero-length skcipher requests. Simply return 0...

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

In the Linux kernel, the following vulnerability has been resolved: arm64: ptrace: Fixed the issue of partial SETREGSET for NTARMTAGGEDADDRCTRL. Currently, the taggedaddrctrlset function does not initialize the temporary “ctrl” variable. A SETREGSET call with a length of zero will leave this...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: tls: fixed handling of zero-length records in the rxlist Each recvmsg call must process either: - only contiguous DATA records any number of them - one non-DATA record If the next record has a different type than those that ha...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Misc: pciendpointtest: Fixed the panic that occurs when calling pciendpointtestcopy,write,read The dmamapsingle function does not allow zero-length mappings. This causes a panic. A panic was reported on the arm64 architecture:...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: hugetlbfs: fixed the null-ptr-deref issue in hugetlbfsParseParam Syzkaller reported a null-ptr-deref bug as follows: ====================================================== KASAN: null-ptr-deref in range...