CVE-2026-64189

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: fix race between dump and ipsetlist resize The release path of ipsetdumpdo and ipsetdumpdone read inst-ipsetlist via ipsetrefnetlink, a plain rcudereferenceraw of the array pointer. These run from netlinkrecvmsg...

EUVD-2026-46009

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: fix race between dump and ipsetlist resize The release path of ipsetdumpdo and ipsetdumpdone read inst-ipsetlist via ipsetrefnetlink, a plain rcudereferenceraw of the array pointer. These run from netlinkrecvmsg...

CVE-2026-64123

A flaw was found in the Linux kernel's High-availability Seamless Redundancy HSR networking component. When HSR node-list and node-status operations are performed, a generic-netlink reader might retain a pointer to a freed node table. This can lead to a use-after-free vulnerability, potentially...

Linux Distros Unpatched Vulnerability : CVE-2026-63989

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - bridge: Fix sleep in atomic context in netlink path Since the introduction of the netlink configuration path for bridge ports in commit 25c71c75ac87 bridge:...

CVE-2026-64137

In the Linux kernel, the following vulnerability has been resolved: smb: client: require net admin for CIFS SWN netlink CIFSGENLCMDSWNNOTIFY is the userspace witness-notify command. The intended sender is the cifs.witness helper, but the generic-netlink operation currently has no capability flag,...

CVE-2026-64043

In the Linux kernel, the following vulnerability has been resolved: ovpn: fix race between deleting interface and adding new peer While deleting an existing ovpn interface, there is a very narrow window where adding a new peer via netlink may cause the netdevice to hang and prevent its...

CVE-2026-63988

In the Linux kernel, the following vulnerability has been resolved: bridge: Fix sleep in atomic context in sysfs path Since the start of the git history, brportstore always acquired the bridge lock. Back then this decision made sense: The bridge lock protects the STP state of the bridge and its...

CVE-2026-63989

In the Linux kernel, the following vulnerability has been resolved: bridge: Fix sleep in atomic context in netlink path Since the introduction of the netlink configuration path for bridge ports in commit 25c71c75ac87 "bridge: bridge port parameters over netlink", brsetport was always called with...

CVE-2026-63985

In the Linux kernel, the following vulnerability has been resolved: ethtool: eeprom: add more safeties to EEPROM Netlink fallback The Netlink fallback path for reading module EEPROM fallbacksetparams validates that offset totallen return -EINVAL; This could lead to surprises in both drivers and...

CVE-2026-63987

In the Linux kernel, the following vulnerability has been resolved: ethtool: coalesce: cap profile updates at NETDIMPARAMSNUMPROFILES ethnlupdateprofile walks the ETHTOOLAPROFILEIRQMODERATION nest list with an index 'i' and writes newprofilei++ without bounding i. The destination is kmemdup'd at...

CVE-2026-63914

In the Linux kernel, the following vulnerability has been resolved: xfrm: route MIGRATE notifications to caller's netns xfrmsendmigrate in net/xfrm/xfrmuser.c and pfkeysendmigrate in net/key/afkey.c both hardcode &initnet for the multicast that announces a successful XFRMMSGMIGRATE / SADBXMIGRATE...

CVE-2026-64137

In the Linux kernel, the following vulnerability has been resolved: smb: client: require net admin for CIFS SWN netlink CIFSGENLCMDSWNNOTIFY is the userspace witness-notify command. The intended sender is the cifs.witness helper, but the generic-netlink operation currently has no capability flag,...

CVE-2026-64137

The CVE-2026-64137 issue affects the Linux kernel CIFS client (SWN netlink). The vulnerability arises because CIFS_GENL_CMD_SWN_NOTIFY and related SWN multicast group handling lack proper capability checks, allowing an unprivileged local process to send witness notifications or join the multicast...

CVE-2026-64137 smb: client: require net admin for CIFS SWN netlink

In the Linux kernel, the following vulnerability has been resolved: smb: client: require net admin for CIFS SWN netlink CIFSGENLCMDSWNNOTIFY is the userspace witness-notify command. The intended sender is the cifs.witness helper, but the generic-netlink operation currently has no capability flag,...

CVE-2026-64123

In the Linux kernel, the following vulnerability has been resolved: net: hsr: defer node table free until after RCU readers HSR node-list and node-status generic-netlink operations run under rcureadlock. They walk hsr-nodedb through hsrgetnextnode and hsrgetnodedata, but RTMDELLINK teardown remov...

CVE-2026-64043 ovpn: fix race between deleting interface and adding new peer

In the Linux kernel, the following vulnerability has been resolved: ovpn: fix race between deleting interface and adding new peer While deleting an existing ovpn interface, there is a very narrow window where adding a new peer via netlink may cause the netdevice to hang and prevent its...

EUVD-2026-45616

In the Linux kernel, the following vulnerability has been resolved: ovpn: fix race between deleting interface and adding new peer While deleting an existing ovpn interface, there is a very narrow window where adding a new peer via netlink may cause the netdevice to hang and prevent its...

CVE-2026-64043

The CVE-2026-64043 entry describes a race condition in the Linux kernel related to ovpn interfaces. During deletion of an ovpn netdevice, a CMD_PEER_NEW netlink message could race with the unregistration process, taking a fresh reference to the netdev and leaving the device in a state where it ca...

CVE-2026-63858

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: add hook transactions for device deletions Restore the flag that indicates that the hook is going away, ie. NFTHOOKREMOVE, but add a new transaction object to track deletion of hooks without altering the...

EUVD-2026-45570

In the Linux kernel, the following vulnerability has been resolved: ethtool: module: avoid leaking a netdev ref on module flash errors moduleflashfwschedule is missing undo for setting the "inprogress" flag and taking the netdev reference. Delay taking these, the device can't disappear while we a...