CVE-2026-74718

In the Linux kernel, the following vulnerability has been resolved: devlink: fix net namespace reference leak in reload devlinknlreloaddoit calls devlinknetnsget, which returns a net with a held reference. When the requested namespace differs from the current one and the reload action is not...

CVE-2026-74618

In the Linux kernel, the following vulnerability has been resolved: binfmtmisc: don't warn when the mount is completed from another user namespace fsopen records the caller's user namespace in fc-userns and hands back an ordinary file descriptor. Nothing ties the task that calls...

CVE-2026-74619

In the Linux kernel, the following vulnerability has been resolved: ovl: don't warn when the mount is completed from another user namespace fsopen records the caller's user namespace in fc-userns and hands back an ordinary file descriptor. Nothing ties the task that calls fsconfigFSCONFIGCMDCREAT...

CVE-2026-74615

In the Linux kernel, the following vulnerability has been resolved: vxlan: do not arm the ageing timer on a device that is down vxlanchangelink arms vxlan-agetimer whenever the requested ageing interval differs from the configured one: if conf.ageinterval != vxlan-cfg.ageinterval...

CVE-2026-74718

This vulnerability affects the Linux kernel devlink subsystem. In devlink_nl_reload_doit(), a call to devlink_netns_get() acquires a reference to a network namespace. When the requested namespace differs from the current one and the reload action is not DRIVER_REINIT, the function returns -EOPNOT...

EUVD-2026-64405

In the Linux kernel, the following vulnerability has been resolved: devlink: fix net namespace reference leak in reload devlinknlreloaddoit calls devlinknetnsget, which returns a net with a held reference. When the requested namespace differs from the current one and the reload action is not...

CVE-2026-74718 devlink: fix net namespace reference leak in reload

In the Linux kernel, the following vulnerability has been resolved: devlink: fix net namespace reference leak in reload devlinknlreloaddoit calls devlinknetnsget, which returns a net with a held reference. When the requested namespace differs from the current one and the reload action is not...

CVE-2026-74715

This vulnerability affects the Linux kernel BPF conntrack kfuncs (__bpf_nf_ct_lookup() and __bpf_nf_ct_alloc_entry()). The root cause is a race condition : the opts->netns_id field is read separately when acquiring and releasing the network namespace reference. Because opts can point to a shar...

EUVD-2026-64402

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix netns reference imbalance in conntrack kfuncs The opts argument of the BPF conntrack kfuncs can point to a shared map value. bpfnfctlookup and bpfnfctallocentry read opts-netnsid separately when acquiring and releasing t...

EUVD-2026-64357

In the Linux kernel, the following vulnerability has been resolved: ipvs: stop estimator after disabled calc phase IPVS estimator kthread 0 starts with zeroed chain and tick limits until its initial calculation phase completes. If network namespace teardown clears ipvs-enable during that phase,...

CVE-2026-74670 ipvs: stop estimator after disabled calc phase

In the Linux kernel, the following vulnerability has been resolved: ipvs: stop estimator after disabled calc phase IPVS estimator kthread 0 starts with zeroed chain and tick limits until its initial calculation phase completes. If network namespace teardown clears ipvs-enable during that phase,...

CVE-2026-74670

CVE-2026-74670 is an out-of-bounds write vulnerability in the Linux kernel IPVS (IP Virtual Server) subsystem. The IPVS estimator kthread starts with zeroed chain and tick limits until its initial calculation phase completes. If network namespace teardown clears ipvs->enable during that phase,...

CVE-2026-74619

This Linux kernel vulnerability affects the overlayfs component. An unprivileged task can trigger a WARN_ON() in ovl_fill_super() by creating a user and mount namespace in a child process, calling fsopen("overlay"), passing the fscontext file descriptor to the parent, and having the parent issue ...

CVE-2026-74619 ovl: don't warn when the mount is completed from another user namespace

In the Linux kernel, the following vulnerability has been resolved: ovl: don't warn when the mount is completed from another user namespace fsopen records the caller's user namespace in fc-userns and hands back an ordinary file descriptor. Nothing ties the task that calls fsconfigFSCONFIGCMDCREAT...

EUVD-2026-64556

In the Linux kernel, the following vulnerability has been resolved: ovl: don't warn when the mount is completed from another user namespace fsopen records the caller's user namespace in fc-userns and hands back an ordinary file descriptor. Nothing ties the task that calls fsconfigFSCONFIGCMDCREAT...

CVE-2026-74618

CVE-2026-74618 affects the Linux kernel 's binfmt_misc filesystem. The root cause is a WARN_ON() in bm_fill_super() that triggers when a binfmt_misc mount is completed from a different user namespace than the one that created the fscontext via fsopen(). Because fsconfig(FSCONFIG_CMD_CREATE) autho...

EUVD-2026-64555

In the Linux kernel, the following vulnerability has been resolved: binfmtmisc: don't warn when the mount is completed from another user namespace fsopen records the caller's user namespace in fc-userns and hands back an ordinary file descriptor. Nothing ties the task that calls...

CVE-2026-74618 binfmt_misc: don't warn when the mount is completed from another user namespace

In the Linux kernel, the following vulnerability has been resolved: binfmtmisc: don't warn when the mount is completed from another user namespace fsopen records the caller's user namespace in fc-userns and hands back an ordinary file descriptor. Nothing ties the task that calls...

CVE-2026-74615

CVE-2026-74615 is a slab-use-after-free in the Linux kernel's VXLAN driver. The root cause is that vxlan_changelink() arms the ageing timer without a netif_running() check, so the timer remains queued even when the device is never brought up. When the netdev is subsequently freed via free_netdev(...

CVE-2026-74615 vxlan: do not arm the ageing timer on a device that is down

In the Linux kernel, the following vulnerability has been resolved: vxlan: do not arm the ageing timer on a device that is down vxlanchangelink arms vxlan-agetimer whenever the requested ageing interval differs from the configured one: if conf.ageinterval != vxlan-cfg.ageinterval...