CVE-2022-49904 net, neigh: Fix null-ptr-deref in neigh_table_clear()

In the Linux kernel, the following vulnerability has been resolved: net, neigh: Fix null-ptr-deref in neightableclear When IPv6 module gets initialized but hits an error in the middle, kenel panic with: KASAN: null-ptr-deref in range 0x0000000000000598-0x000000000000059f CPU: 1 PID: 361 Comm:...

CVE-2022-49903

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix WARNING in ip6routenetexitlate During the initialization of ip6routenetinitlate, if file ipv6route or rt6stats fails to be created, the initialization is successful by default. Therefore, the ipv6route or rt6stats file...

CVE-2022-49865

The CVE-2022-49865 entry corresponds to a Linux kernel fix for an infoleak in IPv6 addrlabel. Root cause: when copying a struct ifaddrlblmsg to the network, the __ifal_reserved field was left uninitialized, enabling a 1-byte information leak. The patch initializes the reserved field to prevent le...

CVE-2022-49865

In the Linux kernel, the following vulnerability has been resolved: ipv6: addrlabel: fix infoleak when sending struct ifaddrlblmsg to network When copying a struct ifaddrlblmsg to the network, ifalreserved remained uninitialized, resulting in a 1-byte infoleak: BUG: KMSAN: kernel-network-infoleak...

CVE-2022-49865 ipv6: addrlabel: fix infoleak when sending struct ifaddrlblmsg to network

In the Linux kernel, the following vulnerability has been resolved: ipv6: addrlabel: fix infoleak when sending struct ifaddrlblmsg to network When copying a struct ifaddrlblmsg to the network, ifalreserved remained uninitialized, resulting in a 1-byte infoleak: BUG: KMSAN: kernel-network-infoleak...

CVE-2022-49865 ipv6: addrlabel: fix infoleak when sending struct ifaddrlblmsg to network

In the Linux kernel, the following vulnerability has been resolved: ipv6: addrlabel: fix infoleak when sending struct ifaddrlblmsg to network When copying a struct ifaddrlblmsg to the network, ifalreserved remained uninitialized, resulting in a 1-byte infoleak: BUG: KMSAN: kernel-network-infoleak...

CVE-2022-49776 macvlan: enforce a consistent minimal mtu

In the Linux kernel, the following vulnerability has been resolved: macvlan: enforce a consistent minimal mtu macvlan should enforce a minimal mtu of 68, even at link creation. This patch avoids the current behavior which could lead to crashes in ipv6 stack if the link is brought up $ ip link add...

CVE-2022-49776

CVE-2022-49776 affects the Linux kernel macvlan code; it fixes a low-level issue by enforcing a minimal MTU of 68 at link creation to prevent crashes in the IPv6 stack. The advisory notes that macvlan0 should reject mtu values below the device minimum (e.g., 67 rejected, 68 accepted), with the fi...

CVE-2022-49776 macvlan: enforce a consistent minimal mtu

In the Linux kernel, the following vulnerability has been resolved: macvlan: enforce a consistent minimal mtu macvlan should enforce a minimal mtu of 68, even at link creation. This patch avoids the current behavior which could lead to crashes in ipv6 stack if the link is brought up $ ip link add...

PT-2025-18493 · Linux +1 · Linux Kernel +1

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A vulnerability in the Linux kernel has been resolved, related to the macvlan module. The issue is that macvlan does not enforce a consistent minimal MTU Maximum Transmission Unit of 6...

PT-2025-18621 · Linux +1 · Linux Kernel +1

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A null pointer dereference issue has been identified in the Linux kernel, specifically in the neigh table clear function. This issue occurs when the IPv6 module is initialized but...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from an information disclosure issue in the ipv6 addrlabel driver when the ifaddrlblmsg structure is sent...

Chinese Hackers Abuse IPv6 SLAAC for AitM Attacks via Spellbinder Lateral Movement Tool

A China-aligned advanced persistent threat APT group called TheWizards has been linked to a lateral movement tool called Spellbinder that can facilitate adversary-in-the-middle AitM attacks. "Spellbinder enables adversary-in-the-middle AitM attacks, through IPv6 stateless address autoconfiguratio...

Security update for elemental-toolkit

This update for elemental-toolkit fixes the following issues: Updated to version 2.1.3: Simplify podman calls in CI steup Switched GHA runners to Ubuntu 24.04 Updated year in headers Updated to go1.23, required by the new x/crypto module CVE-2025-22870: Fixed proxy bypass using IPv6 zone IDs...

SUSE-SU-2025:20210-1 Security update for elemental-toolkit

This update for elemental-toolkit fixes the following issues: - Updated to version 2.1.3: Simplify podman calls in CI steup Switched GHA runners to Ubuntu 24.04 Updated year in headers Updated to go1.23, required by the new x/crypto module CVE-2025-22870: Fixed proxy bypass using IPv6 zone IDs...

USN-7455-5: Linux kernel (AWS) vulnerabilities

Jann Horn discovered that the watchqueue event notification subsystem in the Linux kernel contained an out-of-bounds write vulnerability. A local attacker could use this to cause a denial of service system crash or escalate their privileges. CVE-2022-0995 Several security issues were discovered i...

Amazon Linux 2 : docker (ALASNITRO-ENCLAVES-2025-060)

The version of docker installed on the remote host is prior to 19.03.6ce-4. It is, therefore, affected by a vulnerability as referenced in the ALAS2NITRO-ENCLAVES-2025-060 advisory. A flaw was found in Docker when it creates network bridges that accept IPv6 router advertisements by default. This...

Medium: docker

Issue Overview: A flaw was found in Docker when it creates network bridges that accept IPv6 router advertisements by default. This flaw allows an attacker who can execute code in a container to possibly spoof rogue IPv6 router advertisements to perform a man-in-the-middle MitM attack against the...

Medium: docker

Issue Overview: A flaw was found in Docker when it creates network bridges that accept IPv6 router advertisements by default. This flaw allows an attacker who can execute code in a container to possibly spoof rogue IPv6 router advertisements to perform a man-in-the-middle MitM attack against the...

Amazon Linux 2 : docker (ALASDOCKER-2025-062)

The version of docker installed on the remote host is prior to 19.03.6ce-4. It is, therefore, affected by a vulnerability as referenced in the ALAS2DOCKER-2025-062 advisory. A flaw was found in Docker when it creates network bridges that accept IPv6 router advertisements by default. This flaw...