CVE-2026-23461

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix use-after-free in l2capunregisteruser After commit ab4eedb790ca "Bluetooth: L2CAP: Fix corrupted list in hcichandel", l2capconndel uses conn-lock to protect access to conn-users. However, l2capregisteruser a...

CVE-2026-23449

In the Linux kernel, the following vulnerability has been resolved: net/sched: teql: Fix double-free in teqlmasterxmit Whenever a TEQL devices has a lockless Qdisc as root, qdiscreset should be called using the seqlock to avoid racing with the datapath. Failure to do so may cause crashes like the...

CVE-2026-23437

In the Linux kernel, the following vulnerability has been resolved: net: shaper: protect late read accesses to the hierarchy We look up a netdev during prep of Netlink ops pre- callbacks and take a ref to it. Then later in the body of the callback we take its lock or RCU which are the actual...

CVE-2026-23436

In the Linux kernel, the following vulnerability has been resolved: net: shaper: protect from late creation of hierarchy We look up a netdev during prep of Netlink ops pre- callbacks and take a ref to it. Then later in the body of the callback we take its lock or RCU which are the actual...

CVE-2026-23434

In the Linux kernel, the following vulnerability has been resolved: mtd: rawnand: serialize lock/unlock against other NAND operations nandlock and nandunlock call into chip-ops.lockarea/unlockarea without holding the NAND device lock. On controllers that implement SETFEATURES via multiple low-lev...

CVE-2026-23461

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix use-after-free in l2capunregisteruser After commit ab4eedb790ca "Bluetooth: L2CAP: Fix corrupted list in hcichandel", l2capconndel uses conn-lock to protect access to conn-users. However, l2capregisteruser a...

CVE-2026-23440

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix race condition during IPSec ESN update In IPSec full offload mode, the device reports an ESN Extended Sequence Number wrap event to the driver. The driver validates this event by querying the IPSec ASO and checking...

CVE-2026-23434

In the Linux kernel, the following vulnerability has been resolved: mtd: rawnand: serialize lock/unlock against other NAND operations nandlock and nandunlock call into chip-ops.lockarea/unlockarea without holding the NAND device lock. On controllers that implement SETFEATURES via multiple low-lev...

UBUNTU-CVE-2026-23449

In the Linux kernel, the following vulnerability has been resolved: net/sched: teql: Fix double-free in teqlmasterxmit Whenever a TEQL devices has a lockless Qdisc as root, qdiscreset should be called using the seqlock to avoid racing with the datapath. Failure to do so may cause crashes like the...

CVE-2026-23436

In the Linux kernel, the following vulnerability has been resolved: net: shaper: protect from late creation of hierarchy We look up a netdev during prep of Netlink ops pre- callbacks and take a ref to it. Then later in the body of the callback we take its lock or RCU which are the actual...

UBUNTU-CVE-2026-23434

In the Linux kernel, the following vulnerability has been resolved: mtd: rawnand: serialize lock/unlock against other NAND operations nandlock and nandunlock call into chip-ops.lockarea/unlockarea without holding the NAND device lock. On controllers that implement SETFEATURES via multiple low-lev...

CVE-2026-31402

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache The NFSv4.0 replay cache uses a fixed 112-byte inline buffer rpibufNFSD4REPLAYISIZE to store encoded operation responses. This size was calculated based on OPEN responses and...

UBUNTU-CVE-2026-31402

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache The NFSv4.0 replay cache uses a fixed 112-byte inline buffer rpibufNFSD4REPLAYISIZE to store encoded operation responses. This size was calculated based on OPEN responses and...

UBUNTU-CVE-2026-23461

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix use-after-free in l2capunregisteruser After commit ab4eedb790ca "Bluetooth: L2CAP: Fix corrupted list in hcichandel", l2capconndel uses conn-lock to protect access to conn-users. However, l2capregisteruser a...

EUVD-2026-18637

In the Linux kernel, the following vulnerability has been resolved: wifi: wlcore: Fix a locking bug Make sure that wl-mutex is locked before it is unlocked. This has been detected by the Clang thread-safety analyzer...

EUVD-2026-18636

In the Linux kernel, the following vulnerability has been resolved: net/rds: Fix circular locking dependency in rdstcptune syzbot reported a circular locking dependency in rdstcptune where sknetrefcntupgrade is called while holding the socket lock:...

CVE-2026-31402 nfsd: fix heap overflow in NFSv4.0 LOCK replay cache

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache The NFSv4.0 replay cache uses a fixed 112-byte inline buffer rpibufNFSD4REPLAYISIZE to store encoded operation responses. This size was calculated based on OPEN responses and...

CVE-2026-31402 nfsd: fix heap overflow in NFSv4.0 LOCK replay cache

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache The NFSv4.0 replay cache uses a fixed 112-byte inline buffer rpibufNFSD4REPLAYISIZE to store encoded operation responses. This size was calculated based on OPEN responses and...

CVE-2026-31402

CVE-2026-31402 affects the Linux kernel NFSv4.0 server (nfsd) via the LOCK replay cache. A large lock owner in a denied LOCK can cause a slab-out-of-bounds write into the 112-byte replay buffer, corrupting adjacent heap memory. The issue can be triggered remotely by two cooperating NFSv4.0 client...

CVE-2026-31402

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache The NFSv4.0 replay cache uses a fixed 112-byte inline buffer rpibufNFSD4REPLAYISIZE to store encoded operation responses. This size was calculated based on OPEN responses and...