CVE-2026-80838

In the Linux kernel, the following vulnerability has been resolved: vxlan: keep the last remote linked during FDB flush A non-nexthop FDB entry is expected to have at least one remote while it remains reachable through the FDB hash table. A filtered bulk flush violates this invariant when every...

CVE-2026-80761

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: zero the sockaddr before returning it in getname isosockgetname fills a struct sockaddriso in place and returns its size without clearing it first, so bytes it does not write are copied to user space from the kern...

CVE-2026-80849

In the Linux kernel, the following vulnerability has been resolved: net/tcp-ao: fix use-after-free of currentkey on reconnect to another peer tcpinboundaohash is called before bhlocksocknested is taken, with only rcureadlock held. On the fast path for established sockets, if the rnextkeyid sent b...

CVE-2026-80816

In the Linux kernel, the following vulnerability has been resolved: ALSA: FCP: Use a private URB for the notification endpoint fcpinitnotify used mixer-urb, which sndusbmixerstatuscreate allocates for the optional UAC2 status interrupt endpoint and mixer.c kills, resubmits and frees. On a device...

UBUNTU-CVE-2026-80769

In the Linux kernel, the following vulnerability has been resolved: HID: rapoo: fix missing hidisusb check tousbinterface can only be used on a hiddevice whose parent is really USB; uhid can create devices that identify as being on BUSUSB, but don't actually have a USB parent. Fix the use of...

UBUNTU-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...

UBUNTU-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...

UBUNTU-CVE-2026-80800

In the Linux kernel, the following vulnerability has been resolved: nfc: llcp: bound the connectsn TLV walk to the skb Commit 27256cdb290e "nfc: llcp: bound SNL TLV parsing to the skb and add length checks" fixed the unbounded TLV walk in nfcllcprecvsnl, and commit d8bd2dedbde5 "nfc: llcp: fix OO...

UBUNTU-CVE-2026-80860

In the Linux kernel, the following vulnerability has been resolved: fuse: fix race between interrupt and resend After commit f8fce75fedf7 "fuse: clear intrentry in fuseresend and fuseremovependingreq" the WARNON!listempty&req-intrentry in fuserequestfree still triggers due to the following race: ...

CVE-2026-80774

In the Linux kernel, the following vulnerability has been resolved: HID: asus: fix missing hidisusb check tousbinterface can only be used on a hiddevice whose parent is really USB; uhid can create devices that identify as being on BUSUSB, but don't actually have a USB parent. Fix the use of...

CVE-2026-80823

In the Linux kernel, the following vulnerability has been resolved: nfc: st21nfca: validate ATRREQ length against the received frame st21nfcatmrecvatrreq checks that the received ATRREQ frame is at least ST21NFCAATRREQMINSIZE and that the self-declared atrreq-length is at least sizeofstruct...

CVE-2026-80828

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Complete cleanup after system-resume errors A failed system resume can leave the card unusable until reboot. usbaudioresume jumps to errout when sndusbpcmresume or sndusbmixerresume fails. The error path skips th...

UBUNTU-CVE-2026-80796

In the Linux kernel, the following vulnerability has been resolved: nfc: nci: add datalen bound checks to activation parameter extractors nciextractactivationparamsisodep and nciextractactivationparamsnfcdep read an inner length byte from the NCI RFINTFACTIVATEDNTF payload and use it to memcpy in...

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...

CVE-2026-80846

In the Linux kernel, the following vulnerability has been resolved: xfrm: drop ESP-in-TCP packets with no ingress device ESP-in-TCP receives records through the TCP strparser. handleesp restores skb-dev from the saved skbiif before passing the packet into the XFRM input path. Queued TCP data can ...

UBUNTU-CVE-2026-80762

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: Fix accept list UAF during suspend hciupdateeventfiltersync walks hdev-acceptlist while sending a synchronous HCI command for each remote-wakeup device. The suspend path holds hdev-reqlock, but accept-list...

UBUNTU-CVE-2026-80799

In the Linux kernel, the following vulnerability has been resolved: nfc: llcp: fix OOB read and u8 offset wrap in TLV parsers nfcllcpparsegbtlv and nfcllcpparseconnectiontlv contain three related bugs in their TLV parsing loops: 1. 'offset' is declared u8 but tlvarraylen is u16. When TLV data...

CVE-2026-80839

In the Linux kernel, the following vulnerability has been resolved: batman-adv: reject unrepresentable multicast TVLV offsets The network and transport header fields in struct skbuff are 16-bit offsets from skb-head, and U16MAX is reserved as the unset transport header value. batadvtvlvcallhandle...

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-2026-80784

In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: fix memory leak from alloc-during-teardown race mptcppmdestroy empties msk-pm.annolist and msk-pm.userspacepmlocaladdrlist under msk-pm.lock during socket teardown, dropping the lock between the two. A concurrent...