UBUNTU-CVE-2026-98446

In the Linux kernel, the following vulnerability has been resolved: xfs: don't let hiddenspace go negative in xfsmetafileresvinit LOLLM points out that if the amount of fdblocks that we can reserve for a metadata btree file goes below the space already used by that file, then the hiddenspace...

UBUNTU-CVE-2026-98528

In the Linux kernel, the following vulnerability has been resolved: gpio: cdev: fix kernel stack leak to user-space in error path If we fail to acquire the GPIO chip guard in gpiodesctolineinfo, we return immediately before zeroing the info struct we'll end up passing to the user-space later in...

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:...

UBUNTU-CVE-2026-98641

In the Linux kernel, the following vulnerability has been resolved: bpf, arm64: set up the frame pointer for the exception callback A program acting as exception boundary saves all callee-saved registers, so buildprologue takes the exceptioncb path and never calls pushcalleeregs. That is the only...

UBUNTU-CVE-2026-98683

In the Linux kernel, the following vulnerability has been resolved: smb: client: flush dirty data before zeroing a range smb3zerorange emulates FALLOCFLZERORANGE by invalidating the page cache over the target range with truncatepagecacherange and then issuing FSCTLSETZERODATA to the server. Dirty...

UBUNTU-CVE-2026-98844

In the Linux kernel, the following vulnerability has been resolved: netfs: clear post-EOF pagecache when extending a file via write Fix netfs to erase the contents of a hole created after the EOF by an ordinary write if dirty data has been previously left there by writes through an mmapped region...

UBUNTU-CVE-2026-98843

In the Linux kernel, the following vulnerability has been resolved: netfs: zero gaps in read-gaps folio to avoid writing back stale data netfsreadgaps leaves gaps around a streaming write's dirty region unread on the server side, so a short/EOF response there left stale folio content that later g...

UBUNTU-CVE-2026-98566

In the Linux kernel, the following vulnerability has been resolved: drm/imagination: clamp freelist reconstruction requests The firmware reconstruction count controls accesses to the request's fixed freelist ID array and the copy into the fixed response array. Neither access currently bounds the...

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-2026-98841

In the Linux kernel, the following vulnerability has been resolved: virt: vmgenid: set driverdata before registering notification handlers Both probe paths register their notification handler before assigning driverdata, which the handler dereferences. In the devicetree path, the notification IRQ...

UBUNTU-CVE-2026-98804

In the Linux kernel, the following vulnerability has been resolved: net: pagepool: fix use-after-free in pagepoolrecycleringbulk With CONFIGPAGEPOOLSTATS=y, pagepoolrecycleringbulk updates the recycle stats after dropping the producer lock. If it just recycled the last inflight netmems of a pool...

UBUNTU-CVE-2026-98821

In the Linux kernel, the following vulnerability has been resolved: block: reject polled dio with user integrity metadata IOCBHASMETADATA leaves iocb-private as a uiometa, while iocbbioiopoll expects a bio. Since 2729a60bbfb9, metadata I/O always uses blkdevdirectIO, which never publishes the bio...

UBUNTU-CVE-2026-98462

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciconn: fix CIS hold ownership on reuse Commit 69997d50ec57 "Bluetooth: ISO: handle bound CIS cleanup via hciconn" made hcibindcis and hciconnectcis return a connection with one hold for the ISO layer. hcibindcis...

UBUNTU-CVE-2026-98783

In the Linux kernel, the following vulnerability has been resolved: drm/mediatek: Add missing ISERR check for ovladaptor platform device platformdeviceregisterdata can fail and return an ERRPTR, but the return value is used without checking, leading to an invalid pointer being stored in ddpcomp.d...

UBUNTU-CVE-2026-98616

In the Linux kernel, the following vulnerability has been resolved: eth: fbnic: reset numnapi when the napi vectors are freed fbn-numnapi is the count of live napi vectors, each of which owns an IRQ. The PM path had freed them without clearing the count. fbnicpmsuspend tears the datapath down via...

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-2026-98601

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btintelpcie: validate device-supplied DMA indices In btintelpciemsixrxhandle, the driver processes RX completion descriptors urbd1 written by the PCIe device into DMA-coherent memory. urbd1-frbdtag a 16-bit field fully...

Linux kernel Heap Buffer Overflow DoS

The vulnerability of the fbconnewmodelist function in the drivers/video/fbdev/core/fbcon.c file of the Linux kernel is related to pointer manipulation. Exploiting this vulnerability could allow an attacker to cause a service failure...

batadv_gw_out_of_range() Function Heap Buffer Overflow

The vulnerability of the batadvgwoutofrange function in the net/batman-adv/gatewayclient.c component of the Linux kernel is related to the pointer being dereferenced after its expiration. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and...

Linux kernel qede_tpa_cont qede_tpa_end Component

The vulnerability in the qedetpacont and qedetpaend functions within the drivers/net/ethernet/qlogic/qede/qedefp.c file of the Linux kernel system is related to buffer overflow conditions. Exploitation of this vulnerability could allow a remote attacker to compromise the confidentiality, integrit...