Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions, and Red Hat Enterprise Linux 8.6 Telecommunications Update Service. Red Hat Product Security has rated this update as...

Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring Syste...

kernel: ipv6: BUG() in pskb_expand_head() as part of calipso_skbuff_setattr()

In the Linux kernel, the following vulnerability has been resolved: ipv6: BUG in pskbexpandhead as part of calipsoskbuffsetattr There exists a kernel oops caused by a BUGONnhead INTMAX i.e. intskbheadroomskb + lendelta skbheadroomskb is meant to ensure that delta = headroom - skbheadroomskb is...

RHEL 8 : kernel (RHSA-2026:5689)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:5689 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: ipv6: BUG in pskbexpandhead as part of...

Linux Distros Unpatched Vulnerability : CVE-2026-23381

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: bridge: fix ndtbl NULL dereference when IPv6 is disabled When booting with the 'ipv6.disable=1' parameter, the ndtbl is never initialized because inet6init...

Linux Distros Unpatched Vulnerability : CVE-2026-23304

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ipv6: fix NULL pointer deref in ip6rtgetdevrcu l3mdevmasterdevrcu can return NULL when the slave device is being un-slaved from a VRF. All other callers deal wi...

Important: kernel-livepatch-6.12.58-82.121

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: ipv6: BUG in pskbexpandhead as part of calipsoskbuffsetattr CVE-2025-71085 In the Linux kernel, the following vulnerability has been resolved: team: fix check for port enabled in teamqueueoverrideportpriochanged...

Linux Kernel Security Vulnerabilities

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from a classification error when using IPv4 routing to reference an IPv6 next hop. This error can lead to nu...

CVE-2026-23293: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: net: vxlan: fix ndtbl NULL dereference when IPv6 is disabled When booting with the 'ipv6.disable=1' parameter, the ndtbl is never initialized because inet6init exits before ndiscinit is called which initializes it. If an IPv6...

CVE-2026-23300: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: net: ipv6: fix panic when IPv4 route references loopback IPv6 nexthop When a standalone IPv6 nexthop object is created with a loopback device e.g., "ip -6 nexthop add id 100 dev lo", fib6nhinit misclassifies it as a reject route...

CVE-2026-23304: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix NULL pointer deref in ip6rtgetdevrcu l3mdevmasterdevrcu can return NULL when the slave device is being un-slaved from a VRF. All other callers deal with this, but we lost the fallback to loopback in ip6rtpcpualloc -...

SUSE SLES15 Security Update : go1.26-openssl (SUSE-SU-2026:0993-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0993-1 advisory. Update to go 1.26.1 bsc1255111, jscSLE-18320: - CVE-2026-25679: net/url: reject IPv6 literal not at start of host bsc1259264. -...

RHEL 9 : kernel (RHSA-2026:5813)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:5813 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: pagepool: Fix use-after-free i...

SUSE SLES15 Security Update : kernel (Live Patch 37 for SUSE Linux Enterprise 15 SP4) (SUSE-SU-2026:0983-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0983-1 advisory. This update for the SUSE Linux Enterprise Kernel 5.14.21-150400.24.153 fixes various security issues The following security issues were fixed: ...

RHEL 9 : kernel (RHSA-2026:5693)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:5693 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: bpf: Don't use tnumrange on...

Oracle Linux 7 : kernel (ELSA-2026-3685)

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-3685 advisory. - ext4: fix use-after-free in ext4orphancleanup CVE-2022-50673 Orabug: 39036029 - Squashfs: check return result of sbminblocksize CVE-2025-38415 Orabug...

SUSE-SU-2026:20888-1 Security update for the Linux Kernel (Live Patch 13 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-36.1 fixes various security issues The following security issues were fixed: - CVE-2025-40258: mptcp: fix race condition in mptcpschedulework bsc1255053. - CVE-2025-40284: Bluetooth: MGMT: cancel mesh send timer when hdev removed bsc1257669. ...

SUSE-SU-2026:20886-1 Security update for the Linux Kernel (Live Patch 11 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-34.1 fixes various security issues The following security issues were fixed: - CVE-2025-38488: smb: client: fix use-after-free in cryptmessage when using async crypto bsc1247240. - CVE-2025-40258: mptcp: fix race condition in mptcpschedulewor...

SUSE-SU-2026:20861-1 Security update for the Linux Kernel (Live Patch 9 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-31.1 fixes various security issues The following security issues were fixed: - CVE-2025-38488: smb: client: fix use-after-free in cryptmessage when using async crypto bsc1247240. - CVE-2025-40258: mptcp: fix race condition in mptcpschedulewor...

SUSE-SU-2026:20862-1 Security update for the Linux Kernel (Live Patch 10 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-32.1 fixes various security issues The following security issues were fixed: - CVE-2025-38488: smb: client: fix use-after-free in cryptmessage when using async crypto bsc1247240. - CVE-2025-40258: mptcp: fix race condition in mptcpschedulewor...