USN-8098-4 linux-hwe-5.4, linux-ibm vulnerabilities

Qualys discovered that several vulnerabilities existed in the AppArmor Linux kernel Security Module LSM. An unprivileged local attacker could use these issues to load, replace, and remove arbitrary AppArmor profiles causing denial of service, exposure of sensitive information kernel memory, local...

SUSE-SU-2026:0983-1 Security update for the Linux Kernel (Live Patch 37 for SUSE Linux Enterprise 15 SP4)

This update for the SUSE Linux Enterprise Kernel 5.14.21-150400.24.153 fixes various security issues The following security issues were fixed: - CVE-2022-50697: mrp: introduce active flags to prevent UAF when applicant uninit bsc1255595. - CVE-2023-53781: smc: Fix use-after-free in...

CVE-2026-30827

A flaw was found in express-rate-limit. The default key generator incorrectly applies IPv6 subnet masking to IPv4-mapped IPv6 addresses, which are used when an IPv4 client connects to a dual-stack server. This misconfiguration causes all IPv4 traffic to be treated as a single entity for rate...

Fedora 43 : coturn (2026-8cb5571ddc)

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-8cb5571ddc advisory. Coturn 4.9.0 - Multiple security fixes - Fix to Web Admin password check - Cleanup of deprecated OpenSSL APIs - Fix for CVE-2026-27624: Bypass...

GHSA-4RQQ-W8V4-7P47 OpenClaw has incomplete IPv4 special-use SSRF blocking in web fetch guard

Summary isPrivateIpv4 in bundled SSRF guard code missed several IPv4 special-use/non-global ranges, so webfetch could allow targets that should be blocked by SSRF policy. Affected Packages / Versions - Package: openclaw npm - Latest published affected version: 2026.2.21-2 published 2026-02-21 -...

SUSE CVE-2026-27624

Coturn is a free open source implementation of TURN and STUN Server. Coturn is commonly configured to block loopback and internal ranges using "denied-peer-ip" and/or default loopback restrictions. CVE-2020-26262 addressed bypasses involving "0.0.0.0", "::1" and "::", but IPv4-mapped IPv6 is not...

kernel: net: use dst_dev_rcu() in sk_setup_caps()

In the Linux kernel, the following vulnerability has been resolved: net: use dstdevrcu in sksetupcaps Use RCU to protect accesses to dst-dev from sksetupcaps and skdstgsomaxsize. Also use dstdevrcu in ip6dstmtumaybeforward, and ipdstmtumaybeforward. ip4dsthoplimit can use dstdevnetrcu...

ipv4: Fix reference count leak when using error routes with nexthop objects

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Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-002883)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002883 advisory. The IPv4 implementation in the Linux kernel before 4.5.2 mishandles destruction of device objects, which allows guest OS users to cause a denial of service host OS...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001875)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001875 advisory. The pingrecvmsg function in net/ipv4/ping.c in the Linux kernel before 3.12.4 does not properly interact with read system calls on ping sockets, which allows local...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001991)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001991 advisory. The IPv4 implementation in the Linux kernel before 3.18.8 does not properly consider the length of the Read-Copy Update RCU grace period for redirecting lookups in t...

CVE-2025-68813

In the Linux kernel, the following vulnerability has been resolved: ipvs: fix ipv4 null-ptr-deref in route error path The IPv4 code path in ipvsgetoutrt calls dstlinkfailure without ensuring skb-dev is set, leading to a NULL pointer dereference in fibcomputespecdst when ipv4linkfailure attempts t...

Siemens SIMATIC S7-1500 Improper Input Validation (CVE-2025-21766)

ipv4: use RCU protection in iprtupdatepmtu. iprtupdatepmtu must use RCU protection to make sure the net structure it reads does not disappear. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL 80900 C Tenable, Inc...

UBUNTU-CVE-2025-40173

In the Linux kernel, the following vulnerability has been resolved: net/ip6tunnel: Prevent perpetual tunnel growth Similarly to ipv4 tunnel, ipv6 version updates dev-neededheadroom, too. While ipv4 tunnel headroom adjustment growth was limited in commit 5ae1e9922bbd "net: iptunnel: prevent...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: Bug: Unchecked dereferencing of a NULL pointer in the kernel. Address: 0000000000000000 Causes: - ip6rcvcore net/ipv6/ip6input.c:190:20 - ipv6rcv net/ipv6/ip6input.c:306:8 - processbacklog net.core/dev.c:6186:4 - napipoll...

EUVD-2025-36735

The Parse function permits 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 within square brackets. For example: "http://::1/". IPv4 addresses and hostnames mus...

CVE-2025-55093 Out of bound read and write in _nx_ipv4_packet_receive() when handling unicast DHCP messages

In NetX Duo before 6.4.4, the networking support module for Eclipse Foundation ThreadX, there was a potential out of bound read issue in nxipv4packetreceive when handling unicast DHCP messages that could cause corruption of 4 bytes of memory...

CVE-2025-55090

In NetX Duo before 6.4.4, the networking support module for Eclipse Foundation ThreadX, there was a potential out of bound read issue in nxipv4packetreceive function when received an Ethernet frame with less than 4 bytes of IP packet...

Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-394251)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-394251 advisory. In the Linux kernel, the following vulnerability has been resolved: netlabel: Fix NULL pointer exception caused by CALIPSO on IPv4 sockets When calling...

SUSE CVE-2023-53342

In the Linux kernel, the following vulnerability has been resolved: net: marvell: prestera: fix handling IPv4 routes with nhid Fix handling IPv4 routes referencing a nexthop via its id by replacing calls to fibinfonh with fibinfonhc. Trying to add an IPv4 route referencing a nextop via nhid: $ ip...