The vulnerability of the icmpv6_rcv() function in the net/ipv6/icmp.c module of the Linux operating system allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the icmpv6rcv function in the net/ipv6/icmp.c module of the Linux operating system is related to the use of memory after it is freed. Exploiting this vulnerability could allow a remote attacker to compromise the confidentiality, integrity, and accessibility of the protected...

ICMP-Timestamp-POC

ICMP Timestamp Information Disclosure Scanner CVE-1999-0524 A set of scripts to detect and demonstrate the ICMP Timestamp Information Disclosure vulnerability CVE-1999-0524. These tools send crafted ICMP Type 13 Timestamp Request packets and analyze responses to extract remote system time...

CVE-2026-23398

CVE-2026-23398 Desreferencia de puntero NULL en icmptagvalidation del kernel de Linux DoS remoto Descripción icmptagvalidation en net/ipv4/icmp.c desreferencia inetprotosproto sin una comprobación de NULL. Un atacante remoto puede enviar un único paquete ICMP Fragmentation Needed manipulado con u...

CVE-1999-0524-POC

ICMP Timestamp Scanner — CVE-1999-0524 root@kitploit: ╔══════════════════════════════════════════════════════════════════╗ ║ ██╗ ██████╗███╗ ███╗██████╗ ████████╗███████╗ ║ ║ ██║██╔════╝████╗ ████║██╔══██╗ ██╔══╝██╔════╝ ║ ║ ██║██║ ██╔████╔██║██████╔╝ ██║ ███████╗ ║ ║ ██║██║ ██║╚██╔╝██║██╔═══╝ ██...

Treck20-Related

Treck20-Related PoC for CVE-2020-11896 Treck TCP/IP stack and device asset investigation Protocol stack inspection As many manufacturers adopt the Treck protocol stack, some manufacturers refer to the Treck protocol stack by way of hardware IP cores. It is not enough to identify vulnerabilities...

CVE-2018-4407

CVE-2018-4407 Kernel crash caused by out-of-bounds write in Apple's ICMP packet-handling code CVE-2018-4407 for iOS 11.0，11.2，11.3.1...

The vulnerability of the icmp_build_probe() function in the net/ipv4/icmp.c module of the Linux operating system allows a hacker to induce a service failure.

The vulnerability of the icmpbuildprobe function in the net/ipv4/icmp.c module of the Linux operating system is related to pointer manipulation. Exploiting this vulnerability could allow a remote attacker to cause a service failure...

CVE-2026-74747

CVE-2026-74747 affects the Linux kernel in the ipvs (IP Virtual Server) subsystem, specifically in ip_vs_nat_icmp() . After reading embedded IP headers from skb frags, the ihl field is not revalidated; a local process can modify it so that after skb_ensure_writable() a larger value is visible, ca...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098725)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098725 advisory. In the Linux kernel, the following vulnerability has been resolved: inet: RAW sockets using IPPROTORAW MUST drop incoming ICMP Yizhou Zhao reported that simply havi...

PT-2026-82127

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the ipvs module where the system fails to revalidate embedded headers after reading them from the skb frags. A local process can modify the ihl field, which, following...

CVE-2026-74597

A flaw was found in the Linux kernel's IPv6 Internet Protocol version 6 tunnel error handling. A remote attacker could send a specially crafted IPv6 ICMP Internet Control Message Protocol error packet with a malformed inner destination-options header. This could lead to memory corruption within t...

CVE-2026-74669

A flaw was found in the Linux kernel's IP Virtual Server IPVS component. When processing Internet Control Message Protocol ICMP errors for tunneled packets, the system can incorrectly use a stale IPv4 option offset. A remote attacker could exploit this by sending a specially crafted ICMP packet,...

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: Tunnels: Fixed the crash when generating IPV4 PMTU errors due to KASAN. If we attempt to emit an ICMP error in response to a non-linear SKB, we encounter the following issue: Bug: KASAN: Out-of-bounds access in...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ICMP: Fixed data races related to sysctl. When reading ICMP sysctl variables, they can be changed concurrently. Therefore, we need to add READONCE to avoid data races...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ICMP: Prevent possible NULL dereferencing from icmpbuildprobe. The first issue involves a double call to indevgetrcu; the second call might return NULL. if indevgetrcudev && indevgetrcudev-ifalist The second issue involves...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ICMP: Fixed data races related to sysctlicmpechoenableprobe. When reading sysctlicmpechoenableprobe, it can be changed concurrently. Therefore, we need to add READONCE to its readers...

SUSE CVE-2026-74597

In the Linux kernel, the following vulnerability has been resolved: ip6tunnel: clear skb2-cb in ip6ip6err ip6ip6err clones an outer IPv6 ICMP error skb, pulls it to the quoted inner IPv6 packet, and then passes the clone to icmpv6send. The clone still carries the outer packet's inet6skbparm in...

SUSE CVE-2026-74669

In the Linux kernel, the following vulnerability has been resolved: ipvs: clear IPv4 options after rebasing tunnel ICMP errors ipvsinicmp rebases an skb from the outer ICMP packet to the quoted original request before passing it to icmpsend. However, IPCBskb-opt still describes the outer IPv4...

AZL-97091 CVE-2026-74669 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: ipvs: clear IPv4 options after rebasing tunnel ICMP errors ipvsinicmp rebases an skb from the outer ICMP packet to the quoted original request before passing it to icmpsend. However, IPCBskb-opt still describes the outer IPv4...

CVE-2026-74669

In the Linux kernel, the following vulnerability has been resolved: ipvs: clear IPv4 options after rebasing tunnel ICMP errors ipvsinicmp rebases an skb from the outer ICMP packet to the quoted original request before passing it to icmpsend. However, IPCBskb-opt still describes the outer IPv4...