CVE-2026-44640

CVE-2026-44640 affects NanoMQ (MQTT Broker). The issue is a type confusion in the QUIC dialer: aio->prov_data is stored as nni_quic_conn * during dialing but read as ex_quic_conn * during dialer close, leading to invalid object interpretation and a close-path hang/crash. This describes the vul...

SUSE CVE-2026-46215

In the Linux kernel, the following vulnerability has been resolved: drm: Set old handle to NULL before prime swap in changehandle There was a potential race condition in changehandle. The ioctl briefly had a single object with two idr entries; a concurrent gemclose could delete the object and...

PT-2026-44985

Name of the Vulnerable Software and Affected Versions NanoMQ versions prior to 0.24.14 Description A type confusion occurs when aio-prov data is stored as nni quic conn during the dialing process but is subsequently read as ex quic conn during the dialer close. This discrepancy leads to invalid...

CVE-2026-46215

A flaw was found in the Linux kernel. A race condition in the Direct Rendering Manager DRM subsystem's changehandle function could allow a local attacker to trigger a use-after-free vulnerability. This occurs when a concurrent gemclose operation removes one handle while another remains dangling...

SUSE CVE-2026-45866

In the Linux kernel, the following vulnerability has been resolved: serial: caif: fix use-after-free in caifserial ldiscclose There is a use-after-free bug in caifserial where handletx may access ser-tty after the tty has been freed. The race condition occurs between ldiscclose and packet...

CVE-2026-46090

A flaw was found in the Linux kernel's ALSA Advanced Linux Sound Architecture aloop driver. This Use-After-Free UAF vulnerability occurs when loopbackcheckformat stops the capture side during a format change, while a concurrent close operation detaches or frees the runtime. An attacker could...

EUVD-2026-32332

In the Linux kernel, the following vulnerability has been resolved: serial: caif: fix use-after-free in caifserial ldiscclose There is a use-after-free bug in caifserial where handletx may access ser-tty after the tty has been freed. The race condition occurs between ldiscclose and packet...

CVE-2026-45918

In the Linux kernel, the following vulnerability has been resolved: ovpn: tcp - don't deref NULL sksocket member after tcpclose When deleting a peer in case of keepalive expiration, the peer is removed from the OpenVPN hashtable and is temporary inserted in a "release list" for further processing...

CVE-2026-45866

In the Linux kernel, the following vulnerability has been resolved: serial: caif: fix use-after-free in caifserial ldiscclose There is a use-after-free bug in caifserial where handletx may access ser-tty after the tty has been freed. The race condition occurs between ldiscclose and packet...

CVE-2026-45837

A flaw was found in the Linux kernel. A use-after-free vulnerability exists in the arenavmclose function during a fork operation. This occurs because the child's Virtual Memory Area VMA is not correctly registered, leading to a dangling pointer. If a child process attempts to access this stale...

CVE-2026-45918

CVE-2026-45918 concerns a race condition in the Linux kernel related to OpenVPN TCP handling. When a peer is kept alive and later removed, the kernel temporarily places the peer in a release list and detaches from the socket by restoring its proto and socket callbacks. If userspace closes the soc...

CVE-2026-45866 serial: caif: fix use-after-free in caif_serial ldisc_close()

In the Linux kernel, the following vulnerability has been resolved: serial: caif: fix use-after-free in caifserial ldiscclose There is a use-after-free bug in caifserial where handletx may access ser-tty after the tty has been freed. The race condition occurs between ldiscclose and packet...

CVE-2026-45866

In the Linux kernel, the following vulnerability has been resolved: serial: caif: fix use-after-free in caifserial ldiscclose There is a use-after-free bug in caifserial where handletx may access ser-tty after the tty has been freed. The race condition occurs between ldiscclose and packet...

CVE-2026-45866 serial: caif: fix use-after-free in caif_serial ldisc_close()

In the Linux kernel, the following vulnerability has been resolved: serial: caif: fix use-after-free in caifserial ldiscclose There is a use-after-free bug in caifserial where handletx may access ser-tty after the tty has been freed. The race condition occurs between ldiscclose and packet...

CVE-2026-45866

The CVE-2026-45866 case concerns a use-after-free in the Linux kernel caif_serial ldisc path. A race between ldisc_close() and packet transmission can cause handle_tx() to access ser->tty after the tty is freed, due to tty_kref_put() being invoked in ldisc_close() while the network device may ...

UBUNTU-CVE-2026-45837

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix use-after-free in arenavmclose on fork arenavmopen only bumps vml-mmapcount but never registers the child VMA in arena-vmalist. The vml-vma always points at the parent VMA, so after parent munmap the pointer dangles. If...

EUVD-2026-32163

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix use-after-free in arenavmclose on fork arenavmopen only bumps vml-mmapcount but never registers the child VMA in arena-vmalist. The vml-vma always points at the parent VMA, so after parent munmap the pointer dangles. If...

CVE-2026-45837

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix use-after-free in arenavmclose on fork arenavmopen only bumps vml-mmapcount but never registers the child VMA in arena-vmalist. The vml-vma always points at the parent VMA, so after parent munmap the pointer dangles. If...

CVE-2026-45837

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix use-after-free in arenavmclose on fork arenavmopen only bumps vml-mmapcount but never registers the child VMA in arena-vmalist. The vml-vma always points at the parent VMA, so after parent munmap the pointer dangles. If...

Linux Distros Unpatched Vulnerability : CVE-2026-45837

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - bpf: Fix use-after-free in arenavmclose on fork arenavmopen only bumps vml-mmapcount but never registers the child VMA in arena-vmalist. The vml-vma always poin...