USN-8615-1 linux, linux-aws, linux-aws-5.4, linux-aws-fips, linux-azure, linux-azure-5.4, linux-azure-fips, linux-bluefield, linux-fips, linux-gcp, linux-gcp-5.4, linux-gcp-fips, linux-hwe-5.4, linux-iot, linux-oracle, linux-oracle-5.4, linux-xilinx-zynqmp vulnerabilities

It was discovered that a logic flaw existed in the XFRM ESP-in-TCP subsystem in the Linux kernel when handling socket buffer fragments. This flaw is known as Fragnesia. A local attacker could use this to escalate privileges, or possibly escape a container. CVE-2026-43503 Several security issues...

USN-8547-2: Linux kernel (Azure FIPS) vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - RISC-V architecture; - Cryptographic API; - InfiniBand drivers; - IOMMU subsystem; - Network drivers; -...

USN-8547-2 linux-azure-fips vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - RISC-V architecture; - Cryptographic API; - InfiniBand drivers; - IOMMU subsystem; - Network drivers; -...

Important: Red Hat Security Advisory: kernel-rt security update

An update for kernel-rt is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from...

SUSE-SU-2026:3319-1 Security update for the Linux Kernel (Live Patch 38 for SUSE Linux Enterprise 15 SP5)

This update for the SUSE Linux Enterprise Kernel 5.14.21-150500.55.149 fixes various security issues: The following security issues were fixed: - CVE-2026-23240: tls: Fix race condition in tlsswcancelworktx bsc1262404. - CVE-2026-31738: vxlan: validate ND option lengths in vxlannacreate bsc126406...

SUSE SLES15 Security Update : kernel (Live Patch 28 for SUSE Linux Enterprise 15 SP5) (SUSE-SU-2026:3289-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3289-1 advisory. This update for the SUSE Linux Enterprise Kernel 5.14.21-150500.55.113 fixes various security issues: The following security issues were fixed:...

SUSE SLES15 Security Update : kernel RT (Live Patch 14 for SUSE Linux Enterprise 15 SP7) (SUSE-SU-2026:3246-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3246-1 advisory. This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.7.51 fixes various security issues: The following security issues were fixed: -...

SUSE SLES15 Security Update : kernel (Live Patch 25 for SUSE Linux Enterprise 15 SP6) (SUSE-SU-2026:3254-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3254-1 advisory. This update for the SUSE Linux Enterprise Kernel 6.4.0-150600.23.109 fixes various security issues: The following security issues were fixed: -...

Linux Distros Unpatched Vulnerability : CVE-2026-64542

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ipv6: ndisc: fix NULL deref in acceptuntrackedna acceptuntrackedna re-fetches the inet6dev with in6devgetdev and dereferences idev-cnf.acceptuntrackedna without...

Linux Distros Unpatched Vulnerability : CVE-2026-64554

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - netfilter: bridge: fix stale prevhdr pointer in brip6fragment brip6fragment gets prevhdr, a pointer into the skb head, from ip6find1stfragopt, then calls...

RHEL 8 : kernel (RHSA-2026:47011)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:47011 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: ipv6: fix possible UAF in icmpv6rcv...

RHEL 8 : kernel-rt (RHSA-2026:47010)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:47010 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements...

ALSA-2026:47011 Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: ipv6: fix possible UAF in icmpv6rcv CVE-2026-53006 For more details about the security issues, including the impact, a CVSS score, acknowledgments, and other related information, refer to...

CVE-2026-64542

In the Linux kernel, the following vulnerability has been resolved: ipv6: ndisc: fix NULL deref in acceptuntrackedna acceptuntrackedna re-fetches the inet6dev with in6devgetdev and dereferences idev-cnf.acceptuntrackedna without a NULL check, even though its only caller ndiscrecvna already fetche...

UBUNTU-CVE-2026-64542

In the Linux kernel, the following vulnerability has been resolved: ipv6: ndisc: fix NULL deref in acceptuntrackedna acceptuntrackedna re-fetches the inet6dev with in6devgetdev and dereferences idev-cnf.acceptuntrackedna without a NULL check, even though its only caller ndiscrecvna already fetche...

CVE-2026-64542

Summary: CVE-2026-64542 in the Linux kernel fixes a NULL dereference in IPv6 neighbor discovery. The vulnerable path occurs in accept_untracked_na(), which re-fetches inet6_dev via __in6_dev_get(dev) and accesses idev->cnf.accept_untracked_na without a NULL check, despite ndisc_recv_na() havin...

CVE-2026-64538 ipv6: Fix null-ptr-deref in fib6_nh_mtu_change().

In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix null-ptr-deref in fib6nhmtuchange. fib6nhmtuchange re-fetches idev via in6devgetarg-dev and dereferences idev-cnf.mtu6 without a NULL check. addrconfifdown clears dev-ip6ptr with RCUINITPOINTER after rt6disableip has...

CVE-2026-64538

CVE-2026-64538 concerns a Linux kernel vulnerability where fib6_nh_mtu_change() dereferences idev->cnf.mtu6 after re-fetching idev with __in6_dev_get(arg->dev) without a NULL check. This can occur because addrconf_ifdown() clears dev->ip6_ptr after tb6_lock is released, allowing an RA-dr...

Security update for the Linux Kernel RT (Live Patch 2 for SUSE Linux Enterprise 15 SP7)

This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.7.8 fixes various security issues: The following security issues were fixed: CVE-2026-23240: tls: Fix race condition in tlsswcancelworktx bsc1262404. CVE-2026-31738: vxlan: validate ND option lengths in vxlannacreate bsc1264060...

kernel security, bug fix, and enhancement update

An update is available for kernel. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The kernel packages contain the Linux kernel, the core of any Linux operating...