Ubuntu 20.04 LTS : Linux kernel (FIPS) vulnerabilities (USN-7585-2)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7585-2 advisory. It was discovered that the CIFS network file system implementation in the Linux kernel did not properly verify the target namespace when handling upcalls...

CVE-2026-44430

The MCP Registry provides MCP clients with a list of MCP servers, like an app store for MCP servers. Prior to 1.7.7, the Registry's HTTP-based namespace verification POST /v0/auth/http, POST /v0.1/auth/http uses safeDialContext internal/api/handlers/v0/auth/http.go:67-110 to refuse dialling...

CVE-2026-41704

AgentClienthandlemethod lines 264-303 processes every NATS reply. It calls injectcompilelog line 273 on every response, which reads response'value''result''compilelogid' line 332-338 and passes it to downloadanddeleteblob. Separately, any response containing 'exception' goes through formatexcepti...

CVE-2026-41704 Compromised VM can make arbitrary blobstore deletes

AgentClienthandlemethod lines 264-303 processes every NATS reply. It calls injectcompilelog line 273 on every response, which reads response'value''result''compilelogid' line 332-338 and passes it to downloadanddeleteblob. Separately, any response containing 'exception' goes through formatexcepti...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-000963)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000963 advisory. The scmcheckcreds function in net/core/scm.c in the Linux kernel before 3.11 performs a capability check in an incorrect namespace, which allows local users to gain...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002383)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002383 advisory. The scmcheckcreds function in net/core/scm.c in the Linux kernel before 3.11 performs a capability check in an incorrect namespace, which allows local users to gain...

ALSA-2025:23241 Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: cloneprivatemnt: make sure that caller has CAPSYSADMIN in the right userns CVE-2025-38499 kernel: iommufd: Fix race during abort for file descriptors CVE-2025-39966 kernel: tls: wait for...

EUVD-2016-3929

Malware in sbrugna...

CVE-2025-38499 clone_private_mnt(): make sure that caller has CAP_SYS_ADMIN in the right userns

In the Linux kernel, the following vulnerability has been resolved: cloneprivatemnt: make sure that caller has CAPSYSADMIN in the right userns What we want is to verify there is that clone won't expose something hidden by a mount we wouldn't be able to undo. "Wouldn't be able to undo" may be a...

Design/Logic Flaw

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Prior to version 1.13.4, when Gateway API is enabled in Cilium, the absence of a check on the namespace in which a ReferenceGrant is created could result in Cilium unintentionally gaining visibility of...

CVE-2023-34242 Cilium vulnerable to information leakage via incorrect ReferenceGrant handling

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Prior to version 1.13.4, when Gateway API is enabled in Cilium, the absence of a check on the namespace in which a ReferenceGrant is created could result in Cilium unintentionally gaining visibility of...

PT-2023-24766 · Cilium · Cilium

Name of the Vulnerable Software and Affected Versions: Cilium versions prior to 1.13.4 Description: The issue arises when Gateway API is enabled in Cilium, allowing an attacker on an affected cluster to leverage the absence of a check on the namespace in which a ReferenceGrant is created. This...

Important: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel is now available for Red Hat Enterprise Linux 7.4 Extended Update Support. 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...

kernel: Missing namespace check in net/netlink/af_netlink.c allows for network monitors to observe systemwide activity

The netlinkdelivertapskb function in net/netlink/afnetlink.c in the Linux kernel, through 4.14.4, does not restrict observations of Netlink messages to a single net namespace, when CONFIGNLMON is enabled. This allows local users to obtain sensitive information by leveraging the CAPNETADMIN...

kernel: Missing namespace check in net/netlink/af_netlink.c allows for network monitors to observe systemwide activity

The netlinkdelivertapskb function in net/netlink/afnetlink.c in the Linux kernel, through 4.14.4, does not restrict observations of Netlink messages to a single net namespace, when CONFIGNLMON is enabled. This allows local users to obtain sensitive information by leveraging the CAPNETADMIN...

Important: Red Hat Security Advisory: kernel-alt security, bug fix, and enhancement update

An update for kernel-alt is now available for Red Hat Enterprise Linux 7. 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 fro...

UBUNTU-CVE-2017-5985

lxc-user-nic in Linux Containers LXC allows local users with a lxc-usernet allocation to create network interfaces on the host and choose the name of those interfaces by leveraging lack of netns ownership check...

The vulnerability of the Firefox browser, which allows a remote attacker to execute arbitrary code or trigger a service denial-of-service attack.

The vulnerability in Firefox’s Firefox browser, related to the HTMLSourceElement::BindToTree function, lies in insufficient data type constraints after a failed namespace check during the tree binding process. Exploiting this vulnerability allows a malicious actor to execute arbitrary code or...

CVE-2016-2856

ptchown in the glibc package before 2.19-18+deb8u4 on Debian jessie; the elibc package before 2.15-0ubuntu10.14 on Ubuntu 12.04 LTS and before 2.19-0ubuntu6.8 on Ubuntu 14.04 LTS; and the glibc package before 2.21-0ubuntu4.2 on Ubuntu 15.10 and before 2.23-0ubuntu1 on Ubuntu 16.04 LTS and 16.10...

DEBIAN-CVE-2016-2856

ptchown in the glibc package before 2.19-18+deb8u4 on Debian jessie; the elibc package before 2.15-0ubuntu10.14 on Ubuntu 12.04 LTS and before 2.19-0ubuntu6.8 on Ubuntu 14.04 LTS; and the glibc package before 2.21-0ubuntu4.2 on Ubuntu 15.10 and before 2.23-0ubuntu1 on Ubuntu 16.04 LTS and 16.10...