kernel: ip6mr: Fix skb_under_panic in ip6mr_cache_report()

A buffer underwrite vulnerability exists in the linux kernel in the function skbunderpanic in ip6mrcachereport, leading to an attacker, via crafting a payload, could result in damage to system availability and integrity...

Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 7 Extended Lifecycle Support. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

CVE-2023-53831 net: read sk->sk_family once in sk_mc_loop()

In the Linux kernel, the following vulnerability has been resolved: net: read sk-skfamily once in skmcloop syzbot is playing with IPV6ADDRFORM quite a lot these days, and managed to hit the WARNONONCE1 in skmcloop We have many more similar issues to fix. WARNING: CPU: 1 PID: 1593 at...

CVE-2023-53831

CVE-2023-53831: In the Linux kernel, the issue concerns reading sk->sk_family multiple times in sk_mc_loop(), which syzbot has used to trigger a WARN_ON_ONCE(1) in net/core/sock.c. The vulnerability is described as resolved in the initial document, but no concrete patch details (such as fixed ...

CVE-2023-53821 ip6_vti: fix slab-use-after-free in decode_session6

In the Linux kernel, the following vulnerability has been resolved: ip6vti: fix slab-use-after-free in decodesession6 When ipv6vti device is set to the qdisc of the sfb type, the cb field of the sent skb may be modified during enqueuing. Then, slab-use-after-free may occur when ipv6vti device sen...

CVE-2023-53821

In the Linux kernel, the following vulnerability has been resolved: ip6vti: fix slab-use-after-free in decodesession6 When ipv6vti device is set to the qdisc of the sfb type, the cb field of the sent skb may be modified during enqueuing. Then, slab-use-after-free may occur when ipv6vti device sen...

CVE-2023-53821 ip6_vti: fix slab-use-after-free in decode_session6

In the Linux kernel, the following vulnerability has been resolved: ip6vti: fix slab-use-after-free in decodesession6 When ipv6vti device is set to the qdisc of the sfb type, the cb field of the sent skb may be modified during enqueuing. Then, slab-use-after-free may occur when ipv6vti device sen...

CVE-2023-53831: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net: read sk-skfamily once in skmcloop syzbot is playing with IPV6ADDRFORM quite a lot these days, and managed to hit the WARNONONCE1 in skmcloop We have many more similar issues to fix. WARNING: CPU: 1 PID: 1593 at...

RHEL 7 : kernel-rt (RHSA-2025:22914)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:22914 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism...

Linux Distros Unpatched Vulnerability : CVE-2023-53821

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ip6vti: fix slab-use-after-free in decodesession6 When ipv6vti device is set to the qdisc of the sfb type, the cb field of the sent skb may be modified during...

Linux IPv6 Kernel Heap Buffer Overflow DoS

The vulnerability of the inet6rtmdeladdr function in the net/ipv6/addrconf.c module of the Linux operating system’s IPv6 kernel implementation is related to the use of pointers. Exploiting this vulnerability could allow an attacker to cause a service failure...

Oracle Linux 10 : kernel (ELSA-2025-21931)

The remote Oracle Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2025-21931 advisory. - fs/smb: Fix inconsistent refcnt update Paulo Alcantara RHEL-124955 CVE-2025-39819 - tcp: Clear tcpsksk-fastopenrsk in tcpdisconnect. Antoine Tenart...

Amazon Linux 2 : cri-tools, --advisory ALAS2-2025-3079 (ALAS-2025-3079)

The version of cri-tools installed on the remote host is prior to 1.32.0-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2025-3079 advisory. net/url: insufficient validation of bracketed IPv6 hostnames The Parse function permitted values other than IPv6...

Amazon Linux 2 : ecs-init, --advisory ALAS2ECS-2025-083 (ALASECS-2025-083)

The version of ecs-init installed on the remote host is prior to 1.101.0-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2ECS-2025-083 advisory. net/url: insufficient validation of bracketed IPv6 hostnames The Parse function permitted values other than IPv6...

Important: cni-plugins

Issue Overview: net/url: insufficient validation of bracketed IPv6 hostnames The Parse function permitted values other than IPv6 addresses to be included in square brackets within the host component of a URL. RFC 3986 permits IPv6 addresses to be included within the host component, enclosed withi...

Important: ecs-init

Issue Overview: net/url: insufficient validation of bracketed IPv6 hostnames The Parse function permitted values other than IPv6 addresses to be included in square brackets within the host component of a URL. RFC 3986 permits IPv6 addresses to be included within the host component, enclosed withi...

Important: cri-tools

Issue Overview: net/url: insufficient validation of bracketed IPv6 hostnames The Parse function permitted values other than IPv6 addresses to be included in square brackets within the host component of a URL. RFC 3986 permits IPv6 addresses to be included within the host component, enclosed withi...

CVE-2025-40282

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: 6lowpan: reset link-local header on ipv6 recv path Bluetooth 6lowpan.c netdev has headerops, so it must set link-local header for RX skb, otherwise things crash, eg. with AFPACKET SOCKRAW Add missing skbresetmacheader...

UBUNTU-CVE-2025-40282

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: 6lowpan: reset link-local header on ipv6 recv path Bluetooth 6lowpan.c netdev has headerops, so it must set link-local header for RX skb, otherwise things crash, eg. with AFPACKET SOCKRAW Add missing skbresetmacheader...

CVE-2025-40282: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: 6lowpan: reset link-local header on ipv6 recv path Bluetooth 6lowpan.c netdev has headerops, so it must set link-local header for RX skb, otherwise things crash, eg. with AFPACKET SOCKRAW Add missing skbresetmacheader...