CVE-2026-80847

In the Linux kernel, the following vulnerability has been resolved: tcp: clamp route advmss to TCPMINMSS tcpselectinitialwindow assumes that callers never pass an MSS smaller than 1, but route-derived advmss values can violate that assumption. A too-small explicit RTAXADVMSS is one way to get...

CVE-2026-80791

In the Linux kernel, the following vulnerability has been resolved: nvmet-auth: zero the AUTHRECEIVE response buffer nvmetexecuteauthreceive allocates the response buffer with kmalloc sized by the host-supplied AUTHRECEIVE allocation length, but the DH-HMAC-CHAP builders write only a fixed-size...

CVE-2026-80815

In the Linux kernel, the following vulnerability has been resolved: ALSA: scarlett2: Use a private URB for the notification endpoint scarlett2initnotify used mixer-urb, which sndusbmixerstatuscreate allocates for the UAC2 status interrupt endpoint and mixer.c manages. On a device with that...

CVE-2026-80852

In the Linux kernel, the following vulnerability has been resolved: tls: device: fix out-of-bounds write in tlsappendfrag Found with syzkaller and a local syzbot instance running on top of a netdevsim TLS offload emulation; tlsdevice.c is otherwise only reachable on a machine with a NIC that...

CVE-2026-80830

In the Linux kernel, the following vulnerability has been resolved: usb: core: Add lock to usbwakeupnotification Add a spin lock to usbwakeup notification to prevent a race condition with dereferencing freed memory. This could be hit by the xHCI driver as it calls this function from an IRQ and...

CVE-2026-80811

In the Linux kernel, the following vulnerability has been resolved: iouring/cmd: fix iovec leak when the async cmd is not recycled An ioasynccmd carries an iovec array in -vec.iovec, allocated when the vec has to grow and kept across recycling through ctx-cmdcache. On two paths nothing frees it a...

UBUNTU-CVE-2026-80790

In the Linux kernel, the following vulnerability has been resolved: nvmet-fc: fix invalid free in LS IOD error path nvmetfcalloclsiodlist advances iod while initializing the LS IOD array. If an rqstbuf allocation or response buffer DMA mapping fails, the unwind loop decrements iod past the start ...

UBUNTU-CVE-2026-80813

In the Linux kernel, the following vulnerability has been resolved: nvmet: fix NULL pointer dereference in nvmetexecuteidentifynslist When a host issues an Identify command with CNS 07h Active Namespace ID List for a specific I/O Command Set, nvmetexecuteidentifynslist is called with matchcss set...

UBUNTU-CVE-2026-80825

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7925: ensure tx headroom in usbsdiotxprepareskb mt7925usbsdiotxprepareskb pushes a TX descriptor and a USB header onto every skb and assumes the headroom for them is already there. That holds for locally generated...

UBUNTU-CVE-2026-80781

In the Linux kernel, the following vulnerability has been resolved: HID: core: fix OOB read of field-usage in hidsetfield hidsetfield hands field-usage + offset to hiddumpinput before the guard that bounds offset: hiddumpinputfield-report-device, field-usage + offset, value; if offset =...

UBUNTU-CVE-2026-80835

In the Linux kernel, the following vulnerability has been resolved: crypto: qcom-rng - Remove cryptorng interface qcom-rng.c exposes the same hardware through two completely separate interfaces, cryptorng and hwrng. However, the implementation of this is buggy because it permits generation...

UBUNTU-CVE-2026-80857

In the Linux kernel, the following vulnerability has been resolved: fuse: wait for FRFINISHED on abortonkill to prevent use-after-free The abortonkill path in requestwaitanswer calls fuseabortconn and returns without waiting for FRFINISHED. If fusedevdowrite is concurrently processing the same...

UBUNTU-CVE-2026-80819

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: take rfcommmutex for the deferred setup accept rfcommsockrecvmsg completes a deferred setup by calling rfcommdlcaccept without holding any RFCOMM lock: if testandclearbitRFCOMMDEFERSETUP, &d-flags...

UBUNTU-CVE-2026-80767

In the Linux kernel, the following vulnerability has been resolved: HID: sensor: custom: Fix use-after-free in enablesensor enablesensorstore can call setpowerreportstate, which dereferences sensorinst-powerstate and sensorinst-reportstate. These pointers refer to entries in sensorinst-fields...

UBUNTU-CVE-2026-80834

In the Linux kernel, the following vulnerability has been resolved: crypto: sun8i-ce - Remove cryptorng interface Since the cryptorng interface for hardware PRNGs is unused and is redundant with hwrng and the actual Linux RNG, it's being phased out. Most drivers for it were already removed. Go...

UBUNTU-CVE-2026-80812

In the Linux kernel, the following vulnerability has been resolved: ALSA: dummy: Check card index validity at probe snddummyprobe blindly trusts that the given devptr-id value is within the proper card index range. It's OK for the devices the driver itself creates at the module probe time, but if...

UBUNTU-CVE-2026-80768

In the Linux kernel, the following vulnerability has been resolved: HID: ft260: fix stack-use-after-return write in I2C read race ft260i2cread points dev-readbuf at a caller-supplied buffer often an on-stack variable, arms a completion and waits up to five seconds for the device to return the dat...

UBUNTU-CVE-2026-80824

In the Linux kernel, the following vulnerability has been resolved: usb: usbfs: fix use-after-free of usbdevice in usbdevrelease usbdevrelease drops its reference to the struct usbdevice before draining the list of completed async URBs, but that drain path reads back through the same object:...

UBUNTU-CVE-2026-80837

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: don't queue packet path object notifications All file:line references below are against v7.2-rc4 ac5b0e5651b1. The trace was captured on 7.2.0-rc6-kasan72rc6 075b74841bd0, where the same lines apply...

UBUNTU-CVE-2026-80809

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix missing metadata reservation for large xattrs BUG lsetxattr panics the kernel when setting a large xattr value on a fragmented filesystem where the file already has an external xattr block. CAUSE ocfs2calcxattrsetneed...