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-2026-98473

In the Linux kernel, the following vulnerability has been resolved: s390/vfio-ap: fix KVM GISC and page leak when queue removed from host config Three related problems exist in the handling of KVM interrupt and page resources when a queue is removed from the host's AP configuration while assigned...

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-2026-98558

In the Linux kernel, the following vulnerability has been resolved: net: flush skbdefernodes in devcpudead When a CPU goes offline, devcpudead drains its softnet queues completionqueue, outputqueue, polllist, processqueue, and inputpktqueue, but leaves nethotdata.skbdefernodes untouched. If oldcp...

UBUNTU-CVE-2026-98466

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Transfer the hyp stack pages out of the host stage-2 fixhostownership walks only the linear-map alias of each memblock region, and the per-CPU hyp stack, mapped in the private VA range for its guard page, has none. Wa...

UBUNTU-CVE-2026-98571

In the Linux kernel, the following vulnerability has been resolved: net: stmmac: clear stale buf-page after recycling on skb build failure In stmmacrx, when napibuildskb fails the descriptor page is recycled back to the page pool with pagepoolrecycledirect, but buf-page is left pointing at the...

UBUNTU-CVE-2026-98509

In the Linux kernel, the following vulnerability has been resolved: drm/virtio: fix memory leak of fence event on execbuffer failure virtiogpuexecbufferioctl reserves a DRM event with drmeventreserveinit when VIRTGPUEXECBUFRINGIDX selects a ring that userspace has enabled polling for...

UBUNTU-CVE-2026-98517

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau/uvmm: fix UAF in nouveauuvmmsm when BO is in TTMPLSYSTEM nouveauuvmmsm calls opmap, which passes bo-resource through nouveaumem to nouveauuvmamap. nouveauuvmmvmmmap then reads mem-mem.type. But this is only valid when...

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-2026-98542

In the Linux kernel, the following vulnerability has been resolved: cgroup/cpuset: Return PERRNOCPUS in remotepartitionenable on subpartitionscpus conflict When a remote partition is created underneath an existing local partition via a non-partition PRSMEMBER intermediate cgroup, updateprstate se...

UBUNTU-CVE-2026-98534

In the Linux kernel, the following vulnerability has been resolved: ipe: fix use-after-free when auditing a newly loaded policy newpolicy audits the policy after ipenewpolicyfsnode publishes it and drops the new directory's inode lock. A concurrent delete can free the policy while...

UBUNTU-CVE-2026-98533

In the Linux kernel, the following vulnerability has been resolved: ipe: protect the dm-verity root hash with RCU ipebdevsetintegrity frees the old root hash when dm-verity publishes a new one on -preresume, while policy evaluation can still be dereferencing it. Protect the root hash with RCU. Th...

UBUNTU-CVE-2026-98552

In the Linux kernel, the following vulnerability has been resolved: perf/core: Fix a refcount leak in attachperfctxdata The attachperfctxdata can race on global and !global cases. The global case is protected by globalctxdatarwsem and shares a single reference count using perfctxdata.global field...

UBUNTU-CVE-2026-98464

In the Linux kernel, the following vulnerability has been resolved: RISC-V: KVM: Synchronize hrtimer callback during teardown The non-Sstc hrtimer callback clears nextset before its final uses of the enclosing vCPU. If teardown observes nextset as false while the callback is still running,...

UBUNTU-CVE-2026-98827

In the Linux kernel, the following vulnerability has been resolved: wifi: ath9khtc: bound TX aggregation to MAXTXBUFSIZE hifusbtx dequeues up to MAXTXAGGRNUM 20 frames into a single txbuf of MAXTXBUFSIZE 32768 bytes, limiting the batch by record count but never by cumulative byte length. With lar...

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-2026-98722

In the Linux kernel, the following vulnerability has been resolved: mtd: block2mtd: Fix divide error when erasesize is zero The erase size is parsed from the "block2mtd" module parameter and can be set to zero. adddevice then evaluates if size % erasesize with a zero divisor, which triggers a...

UBUNTU-CVE-2026-98826

In the Linux kernel, the following vulnerability has been resolved: rtc: ac100: Fix clock provider use-after-free on probe failure ac100rtcregisterclks registers the RTC-32k clock with clkhwregisterfixedrate and the clock provider with ofclkaddhwprovider. Neither is device managed, and both are...

UBUNTU-CVE-2026-98851

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftflowoffload: drop flowtable reference on init error path nftflowoffloadinit bumps the flowtable use count with nftuseinc before calling nfctnetnsget. When the latter fails, the error is returned as-is and the...

UBUNTU-CVE-2026-98802

In the Linux kernel, the following vulnerability has been resolved: seg6: ensure packet data is writable before modifying SRH and IPv6 DA advancenextseg modifies the SRH Segments Left field and the IPv6 destination address without ensuring the packet data is writable. seg6nextcsidadvancearg has t...