UBUNTU-CVE-2026-98655

In the Linux kernel, the following vulnerability has been resolved: perf: Require kernel access for text poke events Perf events with excludekernel=1 can be opened without kernel perf access. However, excludekernel does not suppress text-poke sideband records. Every PERFRECORDTEXTPOKE is marked...

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-2026-98539

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: use dinstantiatenew in ntfscreateinode and murder syzbot's "WARNING in donewmount" saga ntfscreateinode creates a new inode via ntfsnewinode. It hashes it with insertinodelocked and so it's marked as INEW until...

UBUNTU-CVE-2026-98584

In the Linux kernel, the following vulnerability has been resolved: net/sched: fix potential stack infoleak in emtextdump emtextdump allocates struct tcfemtext on the stack without zeroing it. strscpy writes the algorithm name and a NUL terminator into conf.algo, leaving the remaining bytes...

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-2026-98847

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...

UBUNTU-CVE-2026-98767

In the Linux kernel, the following vulnerability has been resolved: usb: dwc3: gadget: fix IRQ storm on invalid event buffer count When dwc3checkeventbuf reads a GEVNTCOUNT value exceeding the event buffer length, commit 63ccd26cd1f6 "usb: dwc3: gadget: check that event count does not exceed even...

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-2026-98745

In the Linux kernel, the following vulnerability has been resolved: arm64/fpsimd: signal: Forbid non-streaming SVE payload on SME-only systems When systemsupportssme is true but systemsupportssve is false, restoring a specifically crafted SVE signal context can result in the task erroneously havi...

UBUNTU-CVE-2026-98796

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: mtkethsoc: allocate dummy netdev sooner The RX rings and the shared NAPI are carried by an internal "dummy" netdev eth-dummydev. mtkprobe creates that dummy device, and adds the shared tx/rx NAPI to it, only after...

UBUNTU-CVE-2026-98512

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau: RCU-free the scheduler-containing nouveausched struct nouveausched embeds a struct drmgpuscheduler base. nouveauscheddestroy calls nouveauschedfini which does drmschedfini&sched-base and then frees the object with...

UBUNTU-CVE-2026-98789

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix objects stuck in freebyrcuttrace docallrcuttrace returns early when callrcuttraceinprogress is set and leaves the objects in freebyrcuttrace. freercu frees waitingforgpttrace only and clears the flag. Hence the objects...

UBUNTU-CVE-2026-98550

In the Linux kernel, the following vulnerability has been resolved: tipc: reject invalid and unexpected GRPACKMSG to prevent bcackers underflow Commit 48a5fe38772b "tipc: fix bcackers underflow on duplicate GRPACKMSG" rejected duplicate/stale ACKs in tipcgroupprotorcv by returning early when...

UBUNTU-CVE-2026-98515

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau: fix double-free in nvifvmmdtor On failure, nouveaucliinit calls nouveauclifini to tear the client down. Then, nouveaudrmopen also enters into its cleanup path and calls nouveauclifini AGAIN. nouveauclifini calls...

UBUNTU-CVE-2026-98496

In the Linux kernel, the following vulnerability has been resolved: net: airoha: npu: cancel wdtwork after releasing the WDT IRQ airohanpuremove calls cancelworksync on each core's wdtwork, but the watchdog IRQ that queues it is requested with devmrequestirq and is freed only after .remove return...

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...

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...

CVE-2026-98775

In the Linux kernel, the following vulnerability has been resolved: nitroenclaves: fix use-after-free on SLOTALLOC failure When necreatevmioctl fails the SLOTALLOC request after anoninodegetfile has succeeded, the error path calls fputenclavefile and then frees neenclave. In normal userspace...

UBUNTU-CVE-2026-98505

In the Linux kernel, the following vulnerability has been resolved: mm/damon/vaddr: avoid hw-driven pte updates during damonhugetlbmkold damonhugetlbmkold reads the page table entry into a local variable, unsets the accessed bit in the variable, and updates the page table entry with the updated...

UBUNTU-CVE-2026-98833

In the Linux kernel, the following vulnerability has been resolved: mtd: core: call getdevice with the master MTD getmtddevice calls the master's getdevice callback with mtd, which may be a partition. putmtddevice passes the master. This breaks gluebi partitions because gluebigetdevice uses...