kernel: net: bridge: stop fast-leave after deleting a port group

A flaw was found in the Linux kernel's network bridge module. When handling multicast fast-leave, a vulnerability exists where the system may attempt to access a port group after it has been deleted. This can occur if multicast-to-unicast was previously enabled and then disabled, leading to a sta...

ipv6tools

IPv6Tools The IPv6Tools framework is a robust set of modules and plugins that allow a user to audit an IPv6 enabled network. The built-in modules support enumeration of IPv6 features such as ICMPv6 and Multicast Listener Discovery MLD. In addition, the framework also supports enumeration of Upper...

spycast

SpyCast 是一个跨平台的 mDNS 枚举工具，既可以工作在主动模式（递归查询服务），也可以工作在被动模式（仅监听多播数据包）。 构建 root@kitploit: cargo build --release 特定操作系统的捆绑包（例如 OSX 上的 dmg 和 app 捆绑包）可以通过以下方式构建： root@kitploit: cargo tauri build SpyCast 也可以在没有默认 UI 的情况下构建，此时所有输出将打印在终端上： root@kitploit: cargo build --no-default-features --release 运行 以主动模式运...

huawei-p10-cve-2017-8890-unlock

Investigación sobre el desbloqueo del bootloader de Huawei P10 CVE-2017-8890 Este repositorio documenta un proyecto de investigación autorizado por el propietario que portó CVE-2017-8890 a un firmware de Huawei P10, convirtió el use-after-free del kernel en lectura/escritura arbitraria del kernel...

cve-2017-8890-msf

Módulo: Phoenix Talon CVE 2017-8890 Isso pode resolver a issue 8571, que solicita módulos Phoenix Talon. Visão geral do 2017-8890 Este CVE: é o membro mais sério da classe Phoenix Talon de vulnerabilidades do kernel Linux. Nenhum POC deste CVE existe no Exploit DB. Mas outros POCs públicos estão...

Sapito

Sapito Autoren: Sebastian Garcia [email protected], @eldracote, Veronica Valeros [email protected], @verovaleros Über Sapito Sapito ist ein Multicast-DNS-Sniffer mDNS und -Interpretierer, geschrieben in Python. Sapito schnüffelt Pakete aus einer Pcap-Datei oder einer Schnittstelle und...

multicast_bytecopy

multicastbytecopy This code is published for security researchers, do not use this code for any purpose unless you know what you are doing. multicastbytecopy is a kernel r/w exploit for iOS 15.0 - 15.1.1 by @jaakerblom and the spiritual successor of multipathkfree. The exploit can be adapted to...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098912)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098912 advisory. In the Linux kernel, the following vulnerability has been resolved: ipv4: igmp: remove multicast group from hash table on device destruction When a device is destroy...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098740)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098740 advisory. In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: Fix use-after-free when processing MLD queries When processing an MLD query, a point...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: netfilter: Bridge: Multicast packets must be confirmed before being passed up the stack. The conntrack/nfconfirm logic does not handle cloned skb objects that reference the same nfct entry. This issue occurs when dealing with...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: RDMA/ucma: Protects mc during concurrent multicast leaves. The commit mentioned in the “Fixes” section has been partially reverted to ensure that the allocation and erasure of multicast structures are locked. BUG: KASAN:...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Bug: Unchecked dereferencing of a NULL pointer in the kernel. Address: 0000000000000000 Causes: - ip6rcvcore net/ipv6/ip6input.c:190:20 - ipv6rcv net/ipv6/ip6input.c:306:8 - processbacklog net.core/dev.c:6186:4 - napipoll...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: RDMA/cma: Allow UD qptype to join multicast only Regarding multicast: - The SIDR is the only mode that makes sense; - In addition to PSUDP, other port spaces like PSIB are also allowed, as they are UD-compatible. In this case,...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net: bridge: Fixed a soft lockup issue in brmulticastqueryexpired. When setting multicastqueryinterval to a large value, the local variable time in brmulticastsendquery may overflow. If the time is less than a few milliseconds...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Net: Bridge: mcast: Wait for previous GC cycles when removing a port The syzbot encountered a use-after-free issue1. This issue occurs because the bridge does not ensure that all previous garbage collection cycles are completed...

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: RDMA/cm: Fixed the issue of leaking the multicast GID table reference. If the CM ID is destroyed while the CM event for multicast creation is still queued, the cancelworksync function will prevent the work from running. This also...

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

In the Linux kernel, the following vulnerability has been resolved: net: Fixed an unsafe loop on the list. The kernel may crash when deleting a genetlink family if there are still listeners for that family: Oops: Kernel access to a corrupted area, sig: 11 1 … NIP c000000000c080bc...

CVE-2026-74480

A flaw was found in the Linux kernel's network bridge module. When handling multicast fast-leave, a vulnerability exists where the system may attempt to access a port group after it has been deleted. This can occur if multicast-to-unicast was previously enabled and then disabled, leading to a sta...

CVE-2026-76166

A flaw was found in modcluster's AdvertiseListenerImpl org.jboss.modcluster core module. A single crafted UDP multicast datagram with a valid HTTP status line and a "Server:" header but without the "Date:", "Digest:", and "Sequence:" headers triggers a NullPointerException in verifyDigest that is...

EUVD-2026-62367

A flaw was found in modcluster's AdvertiseListenerImpl org.jboss.modcluster core module. A single crafted UDP multicast datagram with a valid HTTP status line and a "Server:" header but without the "Date:", "Digest:", and "Sequence:" headers triggers a NullPointerException in verifyDigest that is...