CVE-2026-90029

In the Linux kernel, the following vulnerability has been resolved: usb: storage: realtekcr: fix use-after-free on disconnect realtekcrdestructor calls timerdelete before the chip containing the timer is freed. The timer callback may still be running and can rearm itself, resulting in a...

CVE-2026-89988

In the Linux kernel, the following vulnerability has been resolved: kprobes: Protect kprobeblacklist with RCU withinkprobeblacklist traverses kprobeblacklist without holding kprobemutex. When a module is unloaded, kproberemoveareablacklist removes blacklist entries and immediately frees them with...

CVE-2026-89997

In the Linux kernel, the following vulnerability has been resolved: dm: fix resume-vs-remove race If the user issues the resume ioctl and the remove ioctl at the same time, it may be possible that the device is resumed after it is suspended in dmdestroy. The result is that the table is destroyed...

CVE-2026-90003

In the Linux kernel, the following vulnerability has been resolved: futex: Prevent rcuwait use-after-free during requeue PI On PREEMPTRT, FUTEXCMPREQUEUEPI can trigger a KASAN report slab-out-of-bounds in futexrequeuepicomplete invocation of rcuwaitwakeup. The futexq used by futexwaitrequeuepi is...

CVE-2026-90004

In the Linux kernel, the following vulnerability has been resolved: mm/damon/core: handle region split failure in applyminnrregions damonapplyminnrregions repeatedly split each region until its size becomes small enough to meet the user-defined low limit of the number of regions. The loop assumes...

CVE-2026-90005

In the Linux kernel, the following vulnerability has been resolved: samples/damon/wsse: handle damonstart failure Patch series "samples/damon: handle damonstart,stop failures". All DAMON sample modules are not correctly handling failures from damonstart. Among those, mtier also has an additional...

CVE-2026-90001

In the Linux kernel, the following vulnerability has been resolved: HID: bpf: serialize device reference release in structops destroy path hidbpfopsdestroydevice and hidbpfunreg can race on the same registration reference, double-putting struct hiddevice and freeing it while hiddestroydevice stil...

CVE-2026-89916

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Make VNCR invalidation participate in MMU invalidation retry A VNCR TLB invalidation can occur on one vcpu while another vcpu is faulting in this same page. Without correctly handling this, we can end up with the...

CVE-2026-89979

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: Fix race between non-atomic ops and trigger-start We protect the races of the concurrent state transitions between atomic PCM ops, but the checks between the non-atomic ops hwparams, hwfree and prepare and the atomic o...

CVE-2026-89983

In the Linux kernel, the following vulnerability has been resolved: i2c: core: fix debugfs UAF on adapter removal i2cdeladapter frees the adapter's debugfs directory before it unregisters the adapter device, but the newdevice sysfs attribute stays writable until devicedel. A write racing with...

UBUNTU-CVE-2026-89917

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Handle VNCR TLB invalidation race with vcpuput VNCR unmapping While VNCR TLB invalidation always occurs under the MMU lock, vcpuput doesn't, while it unmaps the VNCR page. The problem is that the invalidation evaluate...

UBUNTU-CVE-2026-89919

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: keyop: use mmulock to read gmap-asce Every other dat consumer in this file kvms390getskeys, setskeys, getcmmabits, setcmmabits, MEMCLRCMMA, kvms390fixupprefix, kvmtestagegfn, kvmagegfn reads kvm-arch.gmap-asce inside t...

UBUNTU-CVE-2026-89921

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Zero initialize data structures for injectpfaulttoken kvminjectpfaulttoken only sets .type and .u.ext.extparams2 of the on-stack struct kvms390irq but the full ext substructure is copied into the cpu local variable on...

CVE-2026-89985

In the Linux kernel, the following vulnerability has been resolved: memcg: keep folio's objcg same as its node memcgreparentobjcgs has an inherent assumption that a folio's objcg is the objcg of the folio's node. Folio migration across nodes breaks that assumption: the new folio simply inherits t...

CVE-2026-89986

In the Linux kernel, the following vulnerability has been resolved: mm/mempolicy: fix sleeping allocation in allocpagesbulkweightedinterleave syzbot reported a sleeping function called from invalid context splat in buckettablealloc. When rhashtableinsertslow rehashes the table under rcureadlock, ...

CVE-2026-89973

In the Linux kernel, the following vulnerability has been resolved: nvme-tcp: check the data direction of a C2HData PDU nvmetcphandlec2hdata finds the request by command id and checks that it has a payload, but it does not check that the command asked for data to be read. A controller that answer...

CVE-2026-89980

In the Linux kernel, the following vulnerability has been resolved: ALSA: harmony: initialize locks before requesting IRQ sndharmonycreate registers the IRQ before initializing h-lock and h-mixerlock. A pending interrupt can invoke the handler while these locks are uninitialized. Initialize both...

CVE-2026-89984

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel: Fix kernel address leakages in LBR stack Before Arch LBR gained CPL filtering support, a user-only branch stack could still contain kernel addresses. As a result, kernel branch records may be exposed to user space...

CVE-2026-89950

In the Linux kernel, the following vulnerability has been resolved: batman-adv: mcast: linearize skbuff for packet generation batadvmcastforwpacket and batadvmcastforwscrape is not only called indirectly by the unsharing+linearizing batadvrecvmcastpacket handler. When it is called indirectly by...

CVE-2026-89957

In the Linux kernel, the following vulnerability has been resolved: s390/vfio-ap: Fix hot-unplug skipped when last AP adapter or domain removed The vfioapmdevhotunplugcfg function uses the return value of bitmapandnot to determine whether the guest APCB needs to be updated. However, bitmapandnot...