CVE-2026-53075

The CVE-2026-53075 issue affects the Linux kernel PPP subsystem. A local unprivileged user can create a new user namespace (CLONE_NEWUSER), obtain CAP_NET_ADMIN only in that namespace, and still perform unattached PPP administrative IOCTLs (PPPIOCNEWUNIT, PPPIOCATTACH, PPPIOCATTCHAN) against an i...

EUVD-2026-38943

In the Linux kernel, the following vulnerability has been resolved: ppp: require CAPNETADMIN in target netns for unattached ioctls /dev/ppp open is currently authorized against file-fcred-userns, while unattached administrative ioctls operate on current-nsproxy-netns. As a result, a local...

CVE-2026-53075 ppp: require CAP_NET_ADMIN in target netns for unattached ioctls

In the Linux kernel, the following vulnerability has been resolved: ppp: require CAPNETADMIN in target netns for unattached ioctls /dev/ppp open is currently authorized against file-fcred-userns, while unattached administrative ioctls operate on current-nsproxy-netns. As a result, a local...

CVE-2026-53075: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ppp: require CAPNETADMIN in target netns for unattached ioctls /dev/ppp open is currently authorized against file-fcred-userns, while unattached administrative ioctls operate on current-nsproxy-netns. As a result, a local...

SUSE CVE-2026-46120

In the Linux kernel, the following vulnerability has been resolved: ip6gre: Use cached t-net in ip6erspanchangelink. After commit 5e72ce3e3980 "net: ipv6: Use link netns in newlink of rtnllinkops", ip6erspannewlink correctly resolves the per-netns ip6gre hash via linknet. ip6erspanchangelink was...

CVE-2026-46120

In the Linux kernel, the following vulnerability has been resolved: ip6gre: Use cached t-net in ip6erspanchangelink. After commit 5e72ce3e3980 "net: ipv6: Use link netns in newlink of rtnllinkops", ip6erspannewlink correctly resolves the per-netns ip6gre hash via linknet. ip6erspanchangelink was...

CVE-2026-46120: Use After Free

In the Linux kernel, the following vulnerability has been resolved: ip6gre: Use cached t-net in ip6erspanchangelink. After commit 5e72ce3e3980 "net: ipv6: Use link netns in newlink of rtnllinkops", ip6erspannewlink correctly resolves the per-netns ip6gre hash via linknet. ip6erspanchangelink was...

AZL-88490 CVE-2026-45842 affecting package kernel for versions less than 6.6.141.1-1

In the Linux kernel, the following vulnerability has been resolved: slip: reject VJ receive packets on instances with no rstate array slhcinit accepts rslots == 0 as a valid configuration, with the documented meaning of 'no receive compression'. In that case the allocation loop in slhcinit is...

BIT-GITLAB-2026-4527 Cross-Site Request Forgery (CSRF) in GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.10 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an unauthenticated user to create unauthorized Jira subscriptions for a targeted user's namespace via a specially crafted link due...

CVE-2026-45781 MCP Registry: OCI ownership validation fails open on upstream rate limits, allowing attacker-controlled package claims

The MCP Registry provides MCP clients with a list of MCP servers, like an app store for MCP servers. Prior to 1.7.9, OCI ownership validation skips label-match check when upstream OCI registry returns HTTP 429, letting any authenticated publisher bind their io.github./ namespace to OCI images the...

Exploit for CVE-2026-46300

Security Research & Legal Disclaimer This repository is for educ...

CVE-2026-4527 Cross-Site Request Forgery (CSRF) in GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.10 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an unauthenticated user to create unauthorized Jira subscriptions for a targeted user's namespace via a specially crafted link due...

PT-2026-40867

Name of the Vulnerable Software and Affected Versions GitLab CE/EE versions 11.10 through 18.9.6 GitLab CE/EE versions 18.10 through 18.10.5 GitLab CE/EE versions 18.11 through 18.11.2 Description Missing Cross-Site Request Forgery CSRF protection—a flaw where an attacker tricks a victim into...

CVE-2026-31692

In the Linux kernel, the following vulnerability has been resolved: rtnetlink: add missing netlinknscapable check for peer netns rtnlnewlink lacks a CAPNETADMIN capability check on the peer network namespace when creating paired devices veth, vxcan, netkit. This allows an unprivileged user with a...

PT-2026-51969

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the Point-to-Point Protocol PPP implementation where /dev/ppp open is authorized against file-f cred-user ns, while unattached administrative ioctls operate on...

CVE-2026-23405: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix: limit the number of levels of policy namespaces Currently the number of policy namespaces is not bounded relying on the user namespace limit. However policy namespaces aren't strictly tied to user namespaces and it...

MiracleLinux 9 : pam-1.5.1-19.el9 (AXSA:2024-7776:01)

The remote MiracleLinux 9 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2024-7776:01 advisory. pam: allowing unprivileged user to block another user namespace CVE-2024-22365 Tenable has extracted the preceding description block directly from the...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-000736)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000736 advisory. fs/namespace.c in the Linux kernel through 3.16.1 does not properly restrict clearing MNTNODEV, MNTNOSUID, and MNTNOEXEC and changing MNTATIMEMASK during a remount o...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001063)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001063 advisory. The networking implementation in the Linux kernel through 4.3.3, as used in Android and other products, does not validate protocol identifiers for certain protocol...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-000806)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000806 advisory. The doremount function in fs/namespace.c in the Linux kernel through 3.16.1 does not maintain the MNTLOCKREADONLY bit across a remount of a bind mount, which allows...