UBUNTU-CVE-2026-98725

In the Linux kernel, the following vulnerability has been resolved: nvmet-auth: fix out-of-bounds write in nvmetauthchallenge nvmetauthchallenge receives its output buffer as a void pointer. sizeofd therefore evaluates to one with GCC and undercounts the fixed challenge header by 15 bytes. A shor...

UBUNTU-CVE-2026-98689

In the Linux kernel, the following vulnerability has been resolved: thunderbolt: Don't access a DP tunnel after its DPRX read was canceled tbdpdprxwork checks -dprxcanceled before it takes tb-lock so it misses a tbdpdprxstop that could not cancel the already running work. It then polls the DPRX...

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-2026-98848

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-2026-98820

In the Linux kernel, the following vulnerability has been resolved: blk-mq: set RQFUSESCHED when the operation is known The cached requests are allocated for one operation but can be handed out for another. A passthrough command has RQFUSESCHED cleared, so using those flags for a subsequent...

CVE-2026-98595

In the Linux kernel, the following vulnerability has been resolved: udp: remove a disconnected socket from the 4-tuple hash table A UDP socket bound to a specific address and port keeps its entry in the 4-tuple hash table after it is disconnected: sk binds to 127.0.0.1:21001 sk connects to...

CVE-2026-98688

In the Linux kernel, the following vulnerability has been resolved: thunderbolt: Fix NULL dereference in tbremovework There is a slight race between tbremovework and tbdomainremove which leads to dereferencing a NULL tb-rootswitch pointer inside tbfreeunpluggedxdomains: Thread A Thread B...

UBUNTU-CVE-2026-98472

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Free haveruncpus during VM destruction even if VM is no longer SEV Unconditionally free SEV's "have run CPUs" cpumask in the VM destroy path, i.e. even for what appear to be non-SEV VMs, as an SEV VM becomes a non-SEV V...

CVE-2026-98587

In the Linux kernel, the following vulnerability has been resolved: firewire: cdev: fix back-transition for isoresourceauto client resource The todo member of isoresourceauto structure represents the state of the client resource and normally transitions in the following order: ISORESAUTOALLOC -...

UBUNTU-CVE-2026-98651

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Properly handle NULL pointer in datcondsetstoragekey Some callers pass NULL as oldkey. Calling pagecondsetstoragekey will cause that NULL pointer to get dereferenced. Fix by checking for NULL and assigning the pointer ...

UBUNTU-CVE-2026-98800

In the Linux kernel, the following vulnerability has been resolved: bpf: Wait for an RCU tasks grace period before freeing trampoline progs When a prog is detached from a trampoline, it is freed after an RCU grace period, or an RCU tasks trace one if it is sleepable. This covers the tasks that ar...

UBUNTU-CVE-2026-98736

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciconn: Lock parent access during enhanced SCO setup Bluetooth: hciconn: Lock parent access during enhanced SCO setup hcienhancedsetupsync runs on the request workqueue without the hcidevlock held by its caller when...

UBUNTU-CVE-2026-98642

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix UAF due to concurrent consumption of ttrace lists in allocbulk Syzkaller repeatedly triggered UAF splats related to nodes in waitingforgpttrace within the bpf memalloc: BUG: KASAN: slab-use-after-free in...

UBUNTU-CVE-2026-98731

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btintelpcie: fix plen overflow in btintelpcierecvframe plen is u16 and computed as HDRSIZE + dlen. For ACL/ISO frames dlen is a 16-bit field, so a value = 0xFFFC wraps the sum, bypassing the "skb-len plen" check and...

UBUNTU-CVE-2026-98458

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: release unused CIS holds after channel attach hcibindcis and hciconnectcis return one hciconn hold for the ISO layer. A new channel association consumes that hold, which is eventually released by isoconnfree. Ther...

CVE-2026-98847

In the Linux kernel, the following vulnerability has been resolved: rtc: spear: initialize IRQ state before requesting alarm IRQ devmrequestirq enables the interrupt before it returns, so the handler may run while probe is still initializing the device. Initialize the MMIO address and spinlock...

CVE-2026-98776

In the Linux kernel, the following vulnerability has been resolved: binderfs: fix UAF write in binderadddevice binderfsbinderdevicecreate publishes the new dentry with dmakepersistent and then calls simpledonecreating, which drops the parent directory lock and the creator's dentry reference. It...

UBUNTU-CVE-2026-98652

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Add missing srcu in kvms390setirqstate Like kvms390injectvcpu, kvms390setirqstate also needs the kvm-srcu or the slots lock when performing the Store status operation. Fix by taking kvm-srcu in kvms390setirqstate...

UBUNTU-CVE-2026-98806

In the Linux kernel, the following vulnerability has been resolved: octeontx2-pf: Fix aura BPID assignment when CONFIGDCB is enabled Previously, BPID assignment under CONFIGDCB assumed queuetopfcmap was always initialized. For SDP VFs this leads to invalid memory access as it was not initialized...

CVE-2026-98805

In the Linux kernel, the following vulnerability has been resolved: tipc: prevent GCM nonce reuse on peer key changes TIPC can encrypt traffic between nodes using a different transmit key for each node. In this mode, the AES-GCM nonce for a packet sent to a known peer consists of a 32-bit prefix ...