CVE-2026-89915

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Remove VM-wide VNCR mapping counter The global VNCR mapping counter is used to decide whether an L1 provided VNCR page is mapped in L0 on any CPU at the point of dealing with a TLB invalidation. It is incremented when...

UBUNTU-CVE-2026-89981

In the Linux kernel, the following vulnerability has been resolved: arm64: Don't read GMIDEL1 when MTE is disabled cpuinfostorecpu gates the GMIDEL1 read on the raw IDAA64PFR1EL1, so it reads the register even when the kernel has disabled MTE CONFIGARM64MTE=n or arm64.nomte. KVM sets HCREL2.TID5 ...

UBUNTU-CVE-2026-89960

In the Linux kernel, the following vulnerability has been resolved: s390/vfio-ap: fix stale pqaphook pointer on error in vfioapmdevsetkvm In vfioapmdevsetkvm, kvm-arch.crypto.pqaphook is set to &matrixmdev-pqaphook before the update locks are acquired and the mdev list is checked for a conflictin...

UBUNTU-CVE-2026-89992

In the Linux kernel, the following vulnerability has been resolved: cpuidle: dtidlegenpd: kfree the original name allocation dtidlepdalloc kasprintfs the full node path, then points pd-name at kbasename of that string. dtidlepdfree kfrees pd-name, which is no longer the start of the allocation...

UBUNTU-CVE-2026-89975

In the Linux kernel, the following vulnerability has been resolved: nvme-fabrics: fix DHCHAP secret leak on parse failure nvmfparseoptions duplicates dhchapsecret and dhchapctrlsecret with matchstrdup before validating the DHHC-1: representation. If validation fails, the parser returns -EINVAL...

UBUNTU-CVE-2026-89953

In the Linux kernel, the following vulnerability has been resolved: mtd: mtdoops: free page bitmap when the backing MTD is removed mtdoopsnotifyadd allocates oopspageused when the configured MTD device is registered. mtdoopsnotifyremove detaches from that device but leaves the bitmap allocated. I...

UBUNTU-CVE-2026-89914

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Sign-extend VA for range-based TLBI invalidation When the decoderangetlbi helper was moved to be used for S1 TLBIs, the required sign extension was omitted. Add it. As a result, special care must be taken to not...

UBUNTU-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, ...

UBUNTU-CVE-2026-90019

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fix null pointer dereference in usbputfunctioninstance usbputfunctioninstance attempts to dereference fd inside fi struct to get mod in uvcallocinst error path. However, fd is not allocated until later in...

UBUNTU-CVE-2026-90038

In the Linux kernel, the following vulnerability has been resolved: NFSD: Prevent client use-after-free during export state revocation nfsd4revokeexportstates has the same use-after-free as nfsd4revokestates: it drops nn-clientlock across revokeonestid and the following read of clp-clminorversion...

UBUNTU-CVE-2026-89970

In the Linux kernel, the following vulnerability has been resolved: nvmet-auth: Synchronize timeout work during SQ teardown nvmetauthsqfree cancels authexpiredwork with canceldelayedwork. If the work has already started, cancellation does not wait for the callback. Transport teardown can...

UBUNTU-CVE-2026-89977

In the Linux kernel, the following vulnerability has been resolved: accel/ethosu: check MMIO mapping errors in probe devmplatformioremapresource returns an error pointer when the register resource cannot be mapped. ethosuprobe stores it and continues until initialization dereferences it through...

AZL-101282 CVE-2026-89913 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic-v3: take an LPI reference in vgicv3savependingtables vgicv3savependingtables iterates dist-lpixa using xaforeach and dereferences the returned struct vgicirq in the loop body without holding a reference on the LP...

UBUNTU-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...

UBUNTU-CVE-2026-90028

In the Linux kernel, the following vulnerability has been resolved: usb: typec: hd3ss3220: track VBUS enable state per consumer regulatorisenabled reports the aggregate regulator state, not whether this consumer holds an enable reference. If another consumer enables VBUS first, the driver can ski...

UBUNTU-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...

UBUNTU-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...

UBUNTU-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...

UBUNTU-CVE-2026-90022

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fmidi2: fix use-after-free in string attribute show path fmidi2optsstrshow takes the string lock internally, but its callers dereference the opts-info. pointer before calling it, outside the lock. This races with...

CVE-2026-89911

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Correctly cap TLBI Range to the architural limit TLB Invalidation by Range has a fairly powerful way of encoding pretty large ranges in a small number of bits. This range can be based on an arbitrary VA, which means i...