UBUNTU-CVE-2026-98455

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: fix NULL dereference of dlc-session in RFCOMMCONNINFO The RFCOMMCONNINFO getsockopt handler accepts a socket that is not connected as long as deferred setup is enabled: if sk-skstate != BTCONNECTED &&...

CVE-2026-98455

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: fix NULL dereference of dlc-session in RFCOMMCONNINFO The RFCOMMCONNINFO getsockopt handler accepts a socket that is not connected as long as deferred setup is enabled: if sk-skstate != BTCONNECTED &&...

UBUNTU-CVE-2026-98485

In the Linux kernel, the following vulnerability has been resolved: netfilter: ip6trt: fix zero-address non-strict match out-of-bounds read rtmt6check permits rules to be configured with rtinfo-addrnr == 0 even when address matching IP6TRTFSTMASK is requested. In the IP6TRTFSTNSTRICT path, rtmt6...

CVE-2026-98440

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: nv: Delay freeing of shadow S2 structures until VM destruction We free the shadow S2 structures from kvmarchflushshadowall, which is a Bad Ideatm. Freeing the page tables is fair game this is what this callback is for...

UBUNTU-CVE-2026-98476

In the Linux kernel, the following vulnerability has been resolved: s390/cio: Fix NULL pointer dereference in ccwdevicegetutilstr The channel path registry entry associated with a CHPID may be removed while the subchannel's PMCW still references that CHPID. In this case, chpidtochp can return NUL...

UBUNTU-CVE-2026-98441

In the Linux kernel, the following vulnerability has been resolved: net/sched: actct: avoid modifying shared unconfirmed ct entry In a case where skb with an unconfirmed ct entry gets cloned, we may end up processing both again but with different sets of extensions. The series of events: 1. The...

CVE-2026-98441

In the Linux kernel, the following vulnerability has been resolved: net/sched: actct: avoid modifying shared unconfirmed ct entry In a case where skb with an unconfirmed ct entry gets cloned, we may end up processing both again but with different sets of extensions. The series of events: 1. The...

UBUNTU-CVE-2026-98549

In the Linux kernel, the following vulnerability has been resolved: tcp: prevent collapsing skbs across boundary in rtx queue tcpwritecollapsefence sets TCPSKBCBskb-eor = 1 on tcpwritequeuetailsk to prevent skbs queued after a switch to device encryption from being collapsed into earlier skbs. Th...

CVE-2026-98589

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject pkt arguments in mutating subprogs The verifier tracks changes in how PTRTOPACKET registers' bounds are modified across subprog boundaries. PTRTOPACKET registers are actually passed as PTRTOMEM, which is assumed valid...

CVE-2026-98644

In the Linux kernel, the following vulnerability has been resolved: bpf: Avoid soft lockup in htabmaplookupanddeletebatch htabmaplookupanddeletebatch has no rescheduling point. The batch count bounds how many entries are copied out, not how many buckets are visited, so one BPFMAPLOOKUPBATCH call...

UBUNTU-CVE-2026-98644

In the Linux kernel, the following vulnerability has been resolved: bpf: Avoid soft lockup in htabmaplookupanddeletebatch htabmaplookupanddeletebatch has no rescheduling point. The batch count bounds how many entries are copied out, not how many buckets are visited, so one BPFMAPLOOKUPBATCH call...

UBUNTU-CVE-2026-98812

In the Linux kernel, the following vulnerability has been resolved: net/mctp: publish the mctpdev only after it is initialised mctpadddev links the new mctpdev into dev-mctpptr before mdev-dev is assigned, so a reader that picks the device up in that window dereferences a netdevice pointer that i...

UBUNTU-CVE-2026-98504

In the Linux kernel, the following vulnerability has been resolved: PCI: ofproperty: Omit bus properties without a subordinate bus A bridge a device with a Type 1 header may not have a secondary bus allocated pdev-subordinate, e.g., if there are no available bus numbers or the bridge...

UBUNTU-CVE-2026-98724

In the Linux kernel, the following vulnerability has been resolved: nvmet: pci-epf: reject too-short SGL segments The host controls an SGL segment's length. A nonzero length smaller than one SGL descriptor makes nrdescs zero, so nvmetpciepfgetsglsegment reads the type byte of sgls-1 outside the...

UBUNTU-CVE-2026-98667

In the Linux kernel, the following vulnerability has been resolved: iio: frequency: adf4377: Fully initialize clkinitdata and clkparentdata The clkinitdata structure contains several mutually-exclusive members for different methods to specify the possible parents of a clock, prompting drivers to...

UBUNTU-CVE-2026-98440

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: nv: Delay freeing of shadow S2 structures until VM destruction We free the shadow S2 structures from kvmarchflushshadowall, which is a Bad Ideatm. Freeing the page tables is fair game this is what this callback is for...

UBUNTU-CVE-2026-98765

In the Linux kernel, the following vulnerability has been resolved: USB: gadget: dummy-hcd: Fix wait for outstanding request completions The dummy-hcd driver emulates synchronizeirq by waiting until its private callbackusage counter drops to 0 with the private lock not held. This counter is...

UBUNTU-CVE-2026-98811

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsapi: reclaim an empty proto on the error path Two racing tc filter add requests on the same chain/prio of an unlocked classifier both run change on the shared proto and both can fail: the winner's...

UBUNTU-CVE-2026-98449

In the Linux kernel, the following vulnerability has been resolved: smb: client: delete compound mids on send failure before unlock When sending a compound request fails, smbsendrqst kicks off a reconnect. compoundsendrecv still has those mids on pendingmidq, but it unlocks the server without...

CVE-2026-98634

In the Linux kernel, the following vulnerability has been resolved: scsi: sdzbc: Reject disks with too many zones sdzbcreadzones computes the number of zones with 64-bit arithmetic and stores the result in the unsigned int nrzones field of struct zoneddiskinfo, silently truncating counts that...