SUSE-SU-2026:22967-1 Security update for the Linux Kernel RT (Live Patch 8 for SUSE Linux Enterprise 16)

This update for the SUSE Linux Enterprise Kernel 6.12.0-160000.29.1 fixes various security issues: The following security issues were fixed: - CVE-2026-31738: vxlan: validate ND option lengths in vxlannacreate bsc1264060. - CVE-2026-43038: ipv6: icmp: clear skb2-cb in ip6errgenicmpv6unreach...

SUSE-SU-2026:3354-1 Security update for the Linux Kernel (Live Patch 51 for SUSE Linux Enterprise 15 SP4)

This update for the SUSE Linux Enterprise Kernel 5.14.21-150400.24.205 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...

kernel: ipv6: fix possible UAF in icmpv6_rcv()

A flaw was found in the Linux kernel's IPv6 Internet Protocol version 6 implementation. This vulnerability, a Use-After-Free UAF error, occurs due to incorrect caching of network packet addresses before a memory operation. An attacker could potentially exploit this flaw to cause memory corruption...

kernel: ipv6: fix possible UAF in icmpv6_rcv()

A flaw was found in the Linux kernel's IPv6 Internet Protocol version 6 implementation. This vulnerability, a Use-After-Free UAF error, occurs due to incorrect caching of network packet addresses before a memory operation. An attacker could potentially exploit this flaw to cause memory corruption...

Security update for the Linux Kernel (Live Patch 35 for SUSE Linux Enterprise 15 SP5)

This update for the SUSE Linux Enterprise Kernel 5.14.21-150500.55.136 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...

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-2026-64538

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...

SUSE-SU-2026:3316-1 Security update for the Linux Kernel (Live Patch 5 for SUSE Linux Enterprise 15 SP7)

This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.53.19 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. ...

libreswan security update

An update is available for libreswan. 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 Libreswan is an implementation of IPsec and IKE for Linux. IPsec is the...

ALSA-2026:46397 Important: libreswan security update

Libreswan is an implementation of IPsec and IKE for Linux. IPsec is the Internet Protocol Security and uses strong cryptography to provide both authentication and encryption services. These services allow you to build secure tunnels through untrusted networks such as virtual private network VPN...

SUSE-SU-2026:3254-1 Security update for the Linux Kernel (Live Patch 25 for SUSE Linux Enterprise 15 SP6)

This update for the SUSE Linux Enterprise Kernel 6.4.0-150600.23.109 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....

CVE-2026-64522 net/mlx5e: Fix eswitch mode block underflow on IPsec acquire SA

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix eswitch mode block underflow on IPsec acquire SA mlx5exfrmaddstate handles acquire-flow temporary SAs by allocating software state and skipping hardware offload setup. That path jumps to the common success label...

CVE-2026-64522

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix eswitch mode block underflow on IPsec acquire SA mlx5exfrmaddstate handles acquire-flow temporary SAs by allocating software state and skipping hardware offload setup. That path jumps to the common success label...

CVE-2026-64522

CVE-2026-64522 affects the Linux kernel’s net/mlx5e subsystem. The issue arises in mlx5e_xfrm_add_state() when handling acquire-flow temporary SAs: software state is allocated and hardware offload setup is skipped, causing a path that jumps to the common success label to unconditionally call mlx5...

CVE-2026-64422

In the Linux kernel, the following vulnerability has been resolved: net: ipv4: bound TCP reordering sysctl writes and MTU probe sizes Reject invalid net.ipv4.tcpreordering values before they reach TCP socket state. The sysctl is stored as an int but copied into the u32 tp-reordering field for new...

SUSE-SU-2026:3253-1 Security update for the Linux Kernel RT (Live Patch 17 for SUSE Linux Enterprise 15 SP7)

This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.7.62 fixes various security issues: The following security issues were fixed: - CVE-2026-53366: ipv4: account for fraggap on the paged allocation path bsc1271370...

SUSE-SU-2026:3246-1 Security update for the Linux Kernel RT (Live Patch 14 for SUSE Linux Enterprise 15 SP7)

This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.7.51 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. -...

PT-2026-64743

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the net/mlx5e component where the mlx5e xfrm add state function incorrectly handles acquire-flow temporary Security Associations SAs. When allocating software state an...

PT-2026-64631

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the netfilter flowtable where IPIP tunnel hardware offload is not supported because no driver currently supports this scenario. The system previously enqueued offload...

Linux Distros Unpatched Vulnerability : CVE-2026-64422

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: ipv4: bound TCP reordering sysctl writes and MTU probe sizes Reject invalid net.ipv4.tcpreordering values before they reach TCP socket state. The sysctl is...