UBUNTU-CVE-2026-98681

In the Linux kernel, the following vulnerability has been resolved: smb: client: split cifsFileInfo bitfields to avoid shared-byte RMW races The invalidHandle, swapfile, oplockbreakcancelled, offload, and statusfiledeleted fields are stored in the same bitfield byte in struct cifsFileInfo, but ar...

UBUNTU-CVE-2026-98698

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: handle empty FILS association request payload filsencryptassocreq accepts a ReAssociation Request frame whose last element is the FILS Session element. cryptlen is then zero and aessivencrypt is called with an emp...

UBUNTU-CVE-2026-98700

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: set info-band for 802.3 encap offload frames Unlike the 802.11 TX paths, ieee802118023xmit does not set info-band from the channel context on non-MLD interfaces. It stays at 0, so ieee80211gettxrates uses the wron...

UBUNTU-CVE-2026-98702

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: reject invalid 320 MHz CSA bandwidth The HT/VHT channel definition validator can receive a 320 MHz bandwidth indication from a received CSA frame on a non-6 GHz link. It warns for this unsupported width but...

UBUNTU-CVE-2026-98721

In the Linux kernel, the following vulnerability has been resolved: mtd: rawnand: cadence: Initialize IRQ state before requesting IRQ The Cadence NAND interrupt handler uses both the IRQ lock and completion object. Registering the IRQ before initializing them leaves a window in which a pending...

UBUNTU-CVE-2026-98760

In the Linux kernel, the following vulnerability has been resolved: usb: typec: tipd: fix uninitialized typecpartnerdesc in tps6598xconnect tps6598xconnect passes a stack-allocated typecpartnerdesc to typecregisterpartner after initializing only usbpd, accessory and identity. typecregisterpartner...

UBUNTU-CVE-2026-98769

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fuac1legacy: validate bRequest index in genericset,getcmd genericsetcmd and genericgetcmd use the low nibble of ctrl-bRequest as an index into con-data: u8 cmd = ctrl-bRequest & 0x0F; / 0 .. 15 / ... con-datacmd =...

UBUNTU-CVE-2026-98770

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: midi2: Fix the jack descriptor array sizes The jack in/out descriptor arrays in struct fmidi2usbconfig have the size of MAXCABLES, which look reasonable -- but it turned out to be incorrect. Namely, the entries for...

UBUNTU-CVE-2026-98837

In the Linux kernel, the following vulnerability has been resolved: ALSA: caiaq: unregister the input device when probe fails setupcard registers the input device, whose name and phys point into struct sndusbcaiaqdev, and then goes on to sndcardregister and sndusbcaiaqcontrolinit. If either fails...

UBUNTU-CVE-2026-98846

In the Linux kernel, the following vulnerability has been resolved: sctp: check RCVSHUTDOWN after the sendmsg connect wait sctpwaitforconnect drops the socket lock while it sleeps. An out-of-the-blue ABORT can then be processed from the socket backlog and unlink the association. If a concurrent...

UBUNTU-CVE-2026-98848

In the Linux kernel, the following vulnerability has been resolved: rtc: ac100: Assign .num before accessing .hws Commit f316cdff8d67 "clk: Annotate struct clkhwonecelldata with countedby" annotated the hws member of 'struct clkhwonecelldata' with countedby, which informs the bounds sanitizer...

UBUNTU-CVE-2026-98858

In the Linux kernel, the following vulnerability has been resolved: iouring: fix taskwork add use-after-free with SQPOLL For SQPOLL, the sqpoll thread runs taskwork off its own list and doesn't need to be told about it, so it can pop and complete a request as soon as mpscqpush has published it. I...

UBUNTU-CVE-2026-98433

In the Linux kernel, the following vulnerability has been resolved: KVM: PPC: Book3S HV: fix secure device page leak on uvpagein failure In kvmppcsvmpagein, if uvpagein fails after kvmppcuvmemgetpage has succeeded, the secure device page is never released. kvmppcuvmemgetpage sets a bit in...

UBUNTU-CVE-2026-98442

In the Linux kernel, the following vulnerability has been resolved: net/sched: actct: fix helper UAF due to extensions realloc While calling the helpers, a raw pointer to the extensions area is wired into expectations list: - nfcthelper - helper-help - nfctexpectrelatedreport - nfctexpectinsert -...

UBUNTU-CVE-2026-98448

In the Linux kernel, the following vulnerability has been resolved: xfs: release orphanage dir inode if chown fails LOLLM points out that we leak the igrab'd reference to the orphanage directory inode if chowning it fails. Fix that...

UBUNTU-CVE-2026-98450

In the Linux kernel, the following vulnerability has been resolved: smb: client: close completed creates on compound wait errors compoundsendrecv waits for responses in order. If a later wait is interrupted, or if a later MID fails during response synchronization, an earlier CREATE may already ha...

UBUNTU-CVE-2026-98454

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix create context out-of-bounds reads smb2parsecontexts validates the complete create-context area but does not limit each record to its Next field before dispatching it. A malformed chain can therefore expose bytes...

UBUNTU-CVE-2026-98495

In the Linux kernel, the following vulnerability has been resolved: net: arp: terminate device name before lookup The ARP ioctl copies a user-provided struct arpreq into a stack object. Its arpdev field may contain IFNAMSIZ bytes without a NUL terminator. Such input is passed to devgetbynamercu o...

UBUNTU-CVE-2026-98503

In the Linux kernel, the following vulnerability has been resolved: packet: use ubufinfo completion for TXRING packets tpacketsnd sends skbs with frags pointing into its ring slots. Slots are released when skb-destructor is called. A call to skborphan calls skb-destructor before the skb is freed...

UBUNTU-CVE-2026-98523

In the Linux kernel, the following vulnerability has been resolved: drm/client: fix restore of partially initialized client I got a null-ptr-deref report when closing a DRM file descriptor: WARNING: drivers/gpu/drm/drmatomic.c:2031 at drmatomichelpersetconfig+0x18e/0x1b0 drm Call Trace:...