EUVD-2026-59687

In the Linux kernel, the following vulnerability has been resolved: ksmbd: reject repeated SMB2 NEGOTIATE requests Unauthenticated client can send multiple successful SMB2 NEGOTIATE requests on one connection before SESSIONSETUP. While the connection is in KSMBDSESSNEEDSETUP, smb2handlenegotiate...

EUVD-2026-59653

In the Linux kernel, the following vulnerability has been resolved: can: emsusb: validate CPC message lengths emsusbreadbulkcallback walks CPC messages packed in one USB receive buffer. Check that each declared message fits in the URB payload. Also require the type-specific payload to cover the...

CVE-2026-74455

The CVE-2026-74455 vulnerability in the Linux kernel concerns the peak_usb driver for CAN (uCAN) payloads. pcan_usb_fd_decode_buf() parses multiple CAN records packed in a single USB receive buffer and now requires each record to include the fixed header for its type and validates the CAN payload...

CVE-2026-72360

In the Linux kernel, the following vulnerability has been resolved: drm/xe/pf: Don't attempt to process FASTREQ or EVENT relays Currently defined VF/PF relay actions use regular REQUEST messages only and the PF shouldn't attempt to handle FASTREQUEST nor EVENT messages as this would result in...

UBUNTU-CVE-2026-72360

In the Linux kernel, the following vulnerability has been resolved: drm/xe/pf: Don't attempt to process FASTREQ or EVENT relays Currently defined VF/PF relay actions use regular REQUEST messages only and the PF shouldn't attempt to handle FASTREQUEST nor EVENT messages as this would result in...

CVE-2026-72351

In the Linux kernel, the following vulnerability has been resolved: gue: validate REMCSUM private option length GUE private flags can indicate that remote checksum offload metadata is present. The private flags field itself is accounted for by guehdrflagslen, but guehdrprivflagslen currently...

UBUNTU-CVE-2026-72351

In the Linux kernel, the following vulnerability has been resolved: gue: validate REMCSUM private option length GUE private flags can indicate that remote checksum offload metadata is present. The private flags field itself is accounted for by guehdrflagslen, but guehdrprivflagslen currently...

UBUNTU-CVE-2026-72491

In the Linux kernel, the following vulnerability has been resolved: net/9p: fix race condition on rdma-state in transrdma.c The rdma-state field is modified without holding reqlock in both recvdone and p9cmeventhandler, while rdmarequest accesses the same field under the reqlock spinlock. This...

CVE-2026-72122

In the Linux kernel, the following vulnerability has been resolved: can: bcm: fix lockless bound/ifindex race and silent RXSETUP failure bcmsendmsg reads bo-ifindex and checks bo-bound before taking locksock, while bcmnotify, bcmconnect and bcmrelease all mutate both fields under that same lock...

CVE-2026-72124

In the Linux kernel, the following vulnerability has been resolved: can: isotp: serialize TX state transitions under so-rxlock The TX state machine so-tx.state is driven from three contexts: sendmsg claiming and progressing a transfer, the RX path consuming Flow Control/echo frames, and two...

CVE-2026-72119

In the Linux kernel, the following vulnerability has been resolved: can: bcm: extend bcmtxlock usage for data and timer updates Stage new CAN frame content for an existing tx op into a kmalloc'd buffer and validate it there, mirroring the approach already used in bcmrxsetup. Only copy the validat...

CVE-2026-72022

In the Linux kernel, the following vulnerability has been resolved: llc: fix SAP refcount leak in llcuiautobind llcuiautobind opens a SAP after choosing a dynamic LSAP. llcsapopen returns a reference owned by the caller, and llcsapaddsocket takes a second reference for the socket's membership in...

UBUNTU-CVE-2026-72116

In the Linux kernel, the following vulnerability has been resolved: can: bcm: fix stale rx/tx ops after device removal RX: an RXSETUP update! for an existing op skipped canrxregister unconditionally, even when a concurrent NETDEVUNREGISTER had already torn down its registration op-rxregdev == NUL...

UBUNTU-CVE-2026-72121

In the Linux kernel, the following vulnerability has been resolved: can: bcm: add locking when updating filter and timer values KCSAN detected a simultaneous access to timer values that can be overwritten in bcmrxsetup when updating timer and filter content while bcmrxhandler, bcmrxtimeouthandler...

CVE-2026-74430 rxrpc: Fix ACKALL packet handling

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix ACKALL packet handling rxrpcinputackall accepts ACKALL packets without checking whether the call is in a state that can legitimately have outstanding transmit buffers. A forged ACKALL can therefore reach a new service...

CVE-2026-74362

In the Linux kernel, the following vulnerability has been resolved: ext2: fix ignored return value of genericwritesync Fix ext2diowriteiter to propagate the error returned by genericwritesync instead of silently discarding it, which could cause write2 to return success to userspace on OSYNC/ODSYN...

CVE-2026-72492 ksmbd: fix use-after-free in same_client_has_lease()

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in sameclienthaslease sameclienthaslease returns an opinfo pointer from ci-moplist after dropping ci-mlock without taking a reference. smbgrantoplock then dereferences that pointer in copylease and when...

CVE-2026-72491

CVE-2026-72491 — Linux kernel net/9p rdma state race fixed. The rdma->state field was updated without req_lock in recv_done() and p9_cm_event_handler(), while rdma_request() reads/modifies under req_lock, risking lost transitions and potential use‑after‑free during teardown. The fix adds req_l...

CVE-2026-72360

The CVE-2026-72360 entry concerns the Linux kernel, specifically the DRM XE PCIe PF path. The vulnerability arises from PF relay logic attempting to process FAST_REQ or EVENT relays; VF/PF relay actions were defined only for regular REQUEST messages. This misbehavior could break the VFPF ABI prot...

EUVD-2026-59259

In the Linux kernel, the following vulnerability has been resolved: drm/xe/pf: Don't attempt to process FASTREQ or EVENT relays Currently defined VF/PF relay actions use regular REQUEST messages only and the PF shouldn't attempt to handle FASTREQUEST nor EVENT messages as this would result in...