kernel: net/sched: ets: Always remove class from active list before deleting in ets_qdisc_change

In the Linux kernel, the following vulnerability has been resolved: net/sched: ets: Always remove class from active list before deleting in etsqdiscchange [email protected] says: The vulnerability is a race condition between etsqdiscdequeue and etsqdiscchange. It leads to UAF on stru...

SUSE CVE-2026-53075

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-2026-53089

A flaw was found in the Linux kernel's BPF Berkeley Packet Filter subsystem. When querying information for an offloaded BPF map or program, a race condition can occur during network namespace destruction. This can lead to a use-after-free vulnerability, potentially causing a system crash or denia...

SUSE CVE-2026-53175

In the Linux kernel, the following vulnerability has been resolved: inet: frags: fix use-after-free caused by the fqdirpreexit flush On netns teardown, fqdirpreexit walks the fqdir rhashtable and flushes every fragment queue that is not yet complete using inetfragqueueflush. That helper frees all...

CVE-2026-53075

A flaw was found in the Linux kernel's Point-to-Point Protocol PPP subsystem. A local unprivileged user can exploit this vulnerability by creating a new user namespace and bypassing authorization checks for unattached administrative input/output controls ioctls. This allows the user to perform...

CVE-2026-53094

A flaw was found in the Linux kernel's Berkeley Packet Filter BPF component. When a dev-bound-only BPF program undergoes Just-In-Time JIT compilation with constant blinding enabled, a stale pointer to a freed program can occur. This issue arises when the network namespace is destroyed, leading to...

EUVD-2026-39266

In the Linux kernel, the following vulnerability has been resolved: inet: frags: fix use-after-free caused by the fqdirpreexit flush On netns teardown, fqdirpreexit walks the fqdir rhashtable and flushes every fragment queue that is not yet complete using inetfragqueueflush. That helper frees all...

Linux Distros Unpatched Vulnerability : CVE-2026-53075

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ppp: require CAPNETADMIN in target netns for unattached ioctls /dev/ppp open is currently authorized against file-fcred-userns, while unattached administrative...

CVE-2026-53075

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-2026-53077

In the Linux kernel, the following vulnerability has been resolved: net/rds: Restrict use of RDS/IB to the initial network namespace Prevent using RDS/IB in network namespaces other than the initial one. The existing RDS/IB code will not work properly in non-initial network namespaces...

EUVD-2026-38945

In the Linux kernel, the following vulnerability has been resolved: net/rds: Restrict use of RDS/IB to the initial network namespace Prevent using RDS/IB in network namespaces other than the initial one. The existing RDS/IB code will not work properly in non-initial network namespaces...

CVE-2026-53077 net/rds: Restrict use of RDS/IB to the initial network namespace

In the Linux kernel, the following vulnerability has been resolved: net/rds: Restrict use of RDS/IB to the initial network namespace Prevent using RDS/IB in network namespaces other than the initial one. The existing RDS/IB code will not work properly in non-initial network namespaces...

CVE-2026-53077

The vulnerability CVE-2026-53077 affects the Linux kernel RDS/IB code: it restricted usage to the initial network namespace, with the non-initial namespaces not supported and the existing code likely malfunctioning. Multiple advisories note the issue has been resolved/patched (e.g., Debian/Ubuntu...

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...

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

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...

PT-2026-51872

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The dev-set and key-rotate netlink operations allow the modification of shared device state, specifically the PSP version configuration and cryptographic key material. These operations...

PT-2026-51971

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the net/rds component where the RDS/IB Reliable Datagram Sockets over InfiniBand code does not function correctly when used in network namespaces other than the initia...

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-2026-52909

In the Linux kernel, the following vulnerability has been resolved: ip6vti: set netnsimmutable on the fallback device. john1988 and Noam Rathaus reported that vti6initnet does not set the netnsimmutable flag on the per-netns fallback tunnel device ip6vti0. Other similar tunnel drivers like...