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-2026-80812

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-2026-80798

In the Linux kernel, the following vulnerability has been resolved: nfc: llcp: reject PDUs shorter than the LLCP header Every LLCP PDU begins with a two-byte header DSAP/SSAP + PTYPE, but the receive path never checked that a frame is at least LLCPHEADERSIZE bytes before parsing it. nfcllcprxskb...

UBUNTU-CVE-2026-80805

In the Linux kernel, the following vulnerability has been resolved: xfs: validate attr entry pointer before field access xfsattr3leafverifyentry accesses lentry/rentry fields namelen, valuelen before checking if the entry pointer itself is within bounds. If nameidx is crafted to point near the en...

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: ...

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-2026-80764

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: fix LE list UAF on reset hciccreset clears the LE accept and resolving lists without taking hdev-lock. Other command-complete handlers serialize updates to these lists with that lock, and the debugfs readers...

UBUNTU-CVE-2026-80777

In the Linux kernel, the following vulnerability has been resolved: futex/pi: Plug private futex exec race The check for private futexes whether the waiter's mm, which is stored in the futexkey and copied into the pistate, is the same as the owner's mm is not sufficient for exec. exec has a gap...

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...

UBUNTU-CVE-2026-80779

In the Linux kernel, the following vulnerability has been resolved: net/ionic: avoid OOB TX partner lookup for hwstamp RXQ The dedicated hardware timestamp RX queue is allocated with q-index equal to lif-ionic-nrxqsperlif. The normal txqcqs array only contains the regular queue pairs, so using th...

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...

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-2026-80778

In the Linux kernel, the following vulnerability has been resolved: futex/pi: Reject cross-mm private futex owners A private futex key borrows the waiter's mm without taking an mmusers reference. Nevertheless, attachtopiowner currently accepts an owner from a different address space and copies th...

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-2026-80803

In the Linux kernel, the following vulnerability has been resolved: nfc: digital: clamp SENSFRES length to the destination buffer digitalinrecvsensfres memcpys resp-len bytes from a remote NFC-F device response into the NFCSENSFRESMAXSIZE-byte target.sensfres field without an upper-bound check. A...

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-2026-80841

In the Linux kernel, the following vulnerability has been resolved: net/packet: defer vmalloc TXRING free until skbs finish AFPACKET TXRING skbs keep a raw pointer to their ring frame. The skb page references preserve page-backed ring blocks after pgvec is freed, but they do not preserve a vmallo...

UBUNTU-CVE-2026-80822

In the Linux kernel, the following vulnerability has been resolved: mailbox: mchp-ipc-sbi: Add null check for devmkasprintf Add a check to see if devmkasprintf is not NULL in mchpipcgetclusteraggrirq, returning -ENOMEM if the function failed...

UBUNTU-CVE-2026-80802

In the Linux kernel, the following vulnerability has been resolved: nfc: fdp: bound the device-reported read length and fix an skb leak fdpncii2cread takes the next packet length from two device-supplied bytes and never validates it. The value is a u16 used as the i2cmasterrecv count into a...

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...