Linux Kernel Security Vulnerabilities

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the premature release of boot service memory, potentially leading to memory leaks...

Linux Distros Unpatched Vulnerability : CVE-2026-23352

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - x86/efi: defer freeing of boot services memory efifreebootservices frees memory occupied by EFIBOOTSERVICESCODE and EFIBOOTSERVICESDATA using memblockfreelate...

PT-2026-27792

Name of the Vulnerable Software and Affected Versions Cisco IOS XE Software for Cisco Catalyst 9200 Series Switches Cisco Catalyst ESS9300 Embedded Series Switches Cisco Catalyst IE9310 and IE9320 Rugged Series Switches Cisco IE3500 and IE3505 Rugged Series Switches Description A flaw exists in t...

PT-2026-27790

Name of the Vulnerable Software and Affected Versions Cisco IOS XE Software affected versions not specified Description A flaw exists in the DHCP snooping feature that may allow a remote attacker to forward BOOTP packets between VLANs, leading to a denial of service DoS. This is caused by imprope...

CVE-2026-31788: Missing Authorization

In the Linux kernel, the following vulnerability has been resolved: xen/privcmd: restrict usage in unprivileged domU The Xen privcmd driver allows to issue arbitrary hypercalls from user space processes. This is normally no problem, as access is usually limited to root and the hypervisor will den...

Linux Distros Unpatched Vulnerability : CVE-2026-23369

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - i2c: i801: Revert i2c: i801: replace acpilock with I2C bus lock This reverts commit f707d6b9e7c18f669adfdb443906d46cfbaaa0c1. Under rare circumstances, multiple...

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 insufficient restrictions on the use of the xen/privcmd driver in non-privileged domains, potentially...

Cisco IOS XE Software for Catalyst Rugged Series Switches Secure Boot Bypass (cisco-sa-xe-secureboot-bypass-B6uYxYSZ)

According to its self-reported version, Cisco IOS-XE Software is affected by a vulnerability. - A vulnerability in the bootloader of Cisco IOS XE Software for Cisco Catalyst 9200 Series Switches, Cisco Catalyst ESS9300 Embedded Series Switches, Cisco Catalyst IE9310 and IE9320 Rugged Series...

Linux privcmd driver can circumvent kernel lockdown

ISSUE DESCRIPTION The Linux kernel's privcmd driver can be abused to circumvent kernel lockdown secure boot, e.g. by modifying page tables to enable user mode to modify kernel memory. IMPACT An administrator of an unprivileged guest booted in secure mode is able to perform actions on the kernel...

EUVD-2025-208957

A low-privileged remote attacker may be able to replace the boot application of the CODESYS Control runtime system, enabling unauthorized code execution...

CVE-2025-41660

A low-privileged remote attacker may be able to replace the boot application of the CODESYS Control runtime system, enabling unauthorized code execution...

CVE-2025-41660

A low-privileged remote attacker may be able to replace the boot application of the CODESYS Control runtime system, enabling unauthorized code execution...

CVE-2025-41660 CODESYS Control Boot Application Replacement Enables Code Execution

A low-privileged remote attacker may be able to replace the boot application of the CODESYS Control runtime system, enabling unauthorized code execution...

CVE-2025-41660

The CVE-2025-41660 entry concerns CODESYS Control runtime system. According to sources, a low-privileged remote attacker may replace the boot application, enabling unauthorized code execution on the target. This is characterized as a network-accessible issue with low attack complexity and privile...

CVE-2025-41660 CODESYS Control Boot Application Replacement Enables Code Execution

A low-privileged remote attacker may be able to replace the boot application of the CODESYS Control runtime system, enabling unauthorized code execution...

io.undertow:undertow-servlet (1.1.9.final), io.undertow:undertow-websockets-jsr (1.1.9.final) +1 more potentially affected by CVE-2026-3260 via io.undertow:undertow-core (1.1.9.final)

io.undertow:undertow-core MAVEN version 1.1.9.final is affected by a known vulnerability. The following packages have a transitive dependency on io.undertow:undertow-core and may be impacted: - io.undertow:undertow-servlet 1.1.9.final - io.undertow:undertow-websockets-jsr 1.1.9.final -...

de.adorsys.oauth:oauth-wildfly-support (>=0.12, <=0.35), io.undertow:undertow-servlet (1.1.8.final) +4 more potentially affected by CVE-2026-3260 via io.undertow:undertow-core (1.1.8.final)

io.undertow:undertow-core MAVEN version 1.1.8.final is affected by a known vulnerability. The following packages have a transitive dependency on io.undertow:undertow-core and may be impacted: - de.adorsys.oauth:oauth-wildfly-support =0.12, =7.12.0, =1.2.6.release, =1.2.7.release -...

io.undertow:undertow-servlet (1.1.7.final), io.undertow:undertow-websockets-jsr (1.1.7.final) +1 more potentially affected by CVE-2026-3260 via io.undertow:undertow-core (1.1.7.final)

io.undertow:undertow-core MAVEN version 1.1.7.final is affected by a known vulnerability. The following packages have a transitive dependency on io.undertow:undertow-core and may be impacted: - io.undertow:undertow-servlet 1.1.7.final - io.undertow:undertow-websockets-jsr 1.1.7.final -...

com.github.dkubiak:goldfish-collector-maven (1.0), com.github.dkubiak:goldfish-server (1.0) +3 more potentially affected by CVE-2026-3260 via io.undertow:undertow-core (1.1.4.final)

io.undertow:undertow-core MAVEN version 1.1.4.final is affected by a known vulnerability. The following packages have a transitive dependency on io.undertow:undertow-core and may be impacted: - com.github.dkubiak:goldfish-collector-maven 1.0 - com.github.dkubiak:goldfish-server 1.0 -...

com.github.gmcoringa:coordinator (0.0.1), io.undertow:undertow-servlet (1.1.3.final) +4 more potentially affected by CVE-2026-3260 via io.undertow:undertow-core (1.1.3.final)

io.undertow:undertow-core MAVEN version 1.1.3.final is affected by a known vulnerability. The following packages have a transitive dependency on io.undertow:undertow-core and may be impacted: - com.github.gmcoringa:coordinator 0.0.1 - io.undertow:undertow-servlet 1.1.3.final -...