CVE-2026-43291: Use of Uninitialized Resource

In the Linux kernel, the following vulnerability has been resolved: net: nfc: nci: Fix parameter validation for packet data Since commit 9c328f54741b "net: nfc: nci: Add parameter validation for packet data" communication with nci nfc chips is not working any more. The mentioned commit tries to f...

PT-2026-39032

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A problem in the macb driver occurs when transmit is disabled, as the transmit buffer queue pointer resets to the address specified by the transmit buffer queue base address register. Th...

PT-2026-39226

Name of the Vulnerable Software and Affected Versions PgBouncer versions prior to 1.25.2 Description An integer overflow in the network packet parsing code allows an unauthenticated remote attacker to bypass a boundary check. By sending a malformed SCRAM authentication packet, the attacker can...

CVE-2026-43284

In the Linux kernel, the following vulnerability has been resolved: xfrm: esp: avoid in-place decrypt on shared skb frags MSGSPLICEPAGES can attach pages from a pipe directly to an skb. TCP marks such skbs with SKBFLSHAREDFRAG after skbsplicefromiter, so later paths that may modify packet data ca...

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. This vulnerability stems from the checkmemaccess function in the BPF module, which matches PTRTOBUF pointers using...

ALSA-2026:A005 Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: xfrm: esp: avoid in-place decrypt on shared skb frags CVE-2026-43284 For more details about the security issues, including the impact, a CVSS score, acknowledgments, and other related...

SUSE CVE-2026-43217

In the Linux kernel, the following vulnerability has been resolved: media: iris: gen2: Add sanity check for session stop In iriskillsession, inst-state is set to IRISINSTERROR and sessionclose is executed, which will kfreeinsthfigen2-packet. If stopstreaming is called afterward, it will cause a...

SUSE CVE-2026-43254

In the Linux kernel, the following vulnerability has been resolved: ovpn: tcp - fix packet extraction from stream When processing TCP stream data in ovpntcprecv, we receive large cloned skbs from strprcv that may contain multiple coalesced packets. The current implementation has two bugs: 1. Head...

container: pf Rule Injection via Domain Name Argument in `container system dns create --localhost` Command

The container system dns create --localhost command accepts a domainName argument and passes it unsanitized into the pf anchor file /etc/pf.anchors/com.apple.container as a comment in a rule line. A domain name containing a newline character breaks out of the comment context and injects an...

Kismet Packet-Kismet DoS

The vulnerability in the packet-kismet.c script of the Kismet protocol, a traffic analyzer for computer networks developed by Wireshark, involves allowing the operation to escape out of the buffer and into memory. Exploiting this vulnerability can allow an attacker to cause a service failure...

Wireshark Packet GSM RP Buffer Overflow DoS

The vulnerability in the packet-gsmarp.c script of the GSM RP protocol analyzer for computer network traffic analysis tool Wireshark relates to access to an uninitialized pointer. Exploiting this vulnerability can allow attackers to cause service failures...

RHEL 9 : corosync (RHSA-2026:14211)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:14211 advisory. The corosync packages provide the Corosync Cluster Engine and C APIs for Red Hat Enterprise Linux cluster software. Security Fixes: corosyn...

Linux Distros Unpatched Vulnerability : CVE-2026-43254

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ovpn: tcp - fix packet extraction from stream When processing TCP stream data in ovpntcprecv, we receive large cloned skbs from strprcv that may contain multipl...

CVE-2026-43254

A flaw was found in the Linux kernel's handling of OpenVPN ovpn TCP network traffic. This vulnerability occurs when the kernel processes multiple network packets that have been combined into a single stream. An attacker could exploit this by sending specially crafted TCP packets, leading to issue...

CVE-2026-43208

A flaw was found in the Linux kernel's networking component. An incorrect assumption about the size and immutability of the Receive Packet Steering RPS table could lead to an out-of-bounds memory access. This vulnerability, occurring during the computation of flowid in the setrpscpu function, cou...

Moderate: Red Hat Security Advisory: corosync security update

An update for corosync 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...

corosync: Corosync: Denial of Service and information disclosure via crafted UDP packet

A flaw was found in Corosync. A remote unauthenticated attacker can exploit a wrong return value vulnerability in the Corosync membership commit token sanity check by sending a specially crafted User Datagram Protocol UDP packet. This can lead to an out-of-bounds read, causing a denial of service...

corosync: Corosync: Denial of Service and information disclosure via crafted UDP packet

A flaw was found in Corosync. A remote unauthenticated attacker can exploit a wrong return value vulnerability in the Corosync membership commit token sanity check by sending a specially crafted User Datagram Protocol UDP packet. This can lead to an out-of-bounds read, causing a denial of service...

EUVD-2026-27815

In the Linux kernel, the following vulnerability has been resolved: ovpn: tcp - fix packet extraction from stream When processing TCP stream data in ovpntcprecv, we receive large cloned skbs from strprcv that may contain multiple coalesced packets. The current implementation has two bugs: 1. Head...

EUVD-2026-27635

In the Linux kernel, the following vulnerability has been resolved: wifi: wl1251: validate packet IDs before indexing txframes wl1251txpacketcb uses the firmware completion ID directly to index the fixed 16-entry wl-txframes array. The ID is a raw u8 from the completion block, and the callback do...