UBUNTU-CVE-2026-98282

In the Linux kernel, the following vulnerability has been resolved: powerpc/iommu: Fix the overflow validation in iommutcecheckioba The commit b1af23d836f8 "KVM: PPC: iommu: Unify TCE checking" unified IOBA parameter checking across KVM and VFIO into iommutcecheckioba. While doing so, the passed ...

UBUNTU-CVE-2026-98283

In the Linux kernel, the following vulnerability has been resolved: KVM: PPC: Book3S HV: fix use-after-free in kvmhvemulatetlbiealllpid kvmhvemulatetlbiealllpid iterates the nested-guest IDR and drops mmulock before calling kvmhvemulatetlbielpid, but does not hold a reference on the kvmnestedgues...

UBUNTU-CVE-2026-98308

In the Linux kernel, the following vulnerability has been resolved: ALSA: hda: trace PCM open only after assigning a stream Stream assignment can fail when hardware streams are exhausted. Move the tracepoint after the NULL check because its payload accesses the assigned stream tag. Detected by...

UBUNTU-CVE-2026-98311

In the Linux kernel, the following vulnerability has been resolved: wifi: virtwifi: don't transfer operstate before register virtwifinewlink calls netifstackedtransferoperstate before registernetdevice. If the lower device is dormant, that queues the new netdev on lweventlist while it is still...

UBUNTU-CVE-2026-98367

In the Linux kernel, the following vulnerability has been resolved: RDMA/siw: Clear association under lock if siwqpmodify fails in siwaccept We need to clear cep before release statelock as siwqpllpclose and siwqpmodify-siwqpllpclose did. Otherwise if siwqpmodify fails in siwaccept, the QP's...

UBUNTU-CVE-2026-98188

In the Linux kernel, the following vulnerability has been resolved: wifi: p54: validate curve data length in the calibration curve converters p54convertrev0 and p54convertrev1 read calibration curve data from the device-supplied EEPROM entry using channel and points-per-channel counts taken...

UBUNTU-CVE-2026-98195

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlegacy: fix broadcast stations deallocation On the error path of il4965up, ildeallocbcaststations clears only ILSTAUCODEACTIVE, leaving ILSTABCAST set. This causes the same broadcast stations to be deallocated again by...

UBUNTU-CVE-2026-98369

In the Linux kernel, the following vulnerability has been resolved: xfrm: add missing rcureadlock, skbdstforce and devhold for xfrmtransreinject syzbot reported a suspicious RCU usage warning in ip6pktdrop: WARNING: suspicious RCU usage in ip6pktdrop include/net/addrconf.h:389 suspicious...

UBUNTU-CVE-2026-98205

In the Linux kernel, the following vulnerability has been resolved: Input: evdev - zero absinfo before partial copy in EVIOCSABS The EVIOCSABS handler copies at most the user supplied ioctl size into an uninitialized on-stack struct inputabsinfo: if copyfromuser&abs, p, mintsizet, size,...

UBUNTU-CVE-2026-98209

In the Linux kernel, the following vulnerability has been resolved: mmc: sdhci-of-aspeed: Remove children before releasing SDC resources Probe failure and removal leave SDHCI child devices registered after the parent clock and managed resources are released. Unregister the OF children in reverse...

UBUNTU-CVE-2026-98236

In the Linux kernel, the following vulnerability has been resolved: net: wwan: mhiwwanmbim: check skbcopybits return value mhimbimrx ignores the return value of skbcopybits when it copies each datagram out of the NTB. The datagram offset and length come from the DPE, which is only checked to lie...

UBUNTU-CVE-2026-98237

In the Linux kernel, the following vulnerability has been resolved: net: wwan: mhiwwanmbim: guard against a cyclic NDP chain The NDP traversal in mhimbimrx only stops when wNextNdpIndex is zero. Nothing requires the offsets to advance, so a modem that points an NDP at itself, or at an earlier NDP...

UBUNTU-CVE-2026-98328

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: add HE 6 GHz capability in the scan elems len The HE 6 GHz Band Capability element is in the probe request for every band if 6 GHz is supported, so add the size to scanieslen. Otherwise, building probe request...

UBUNTU-CVE-2026-98344

In the Linux kernel, the following vulnerability has been resolved: dmaengine: Fix device kref underflow in dmachanput dmachanget takes chan-device-ref only on the slow path: / no kref on fast path / if chan-clientcount modulegetowner; chan-clientcount++; return 0; if !trymodulegetowner return...

UBUNTU-CVE-2026-98345

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: check IP header size in cfg80211classify8021d A frame that looks like IP can be transmitted, but be too short, so the DS field is read incorrectly: BUG: KMSAN: uninit-value in cfg80211classify8021d+0x99d/0x12b0...

UBUNTU-CVE-2026-98347

In the Linux kernel, the following vulnerability has been resolved: IB/IPoIB: Avoid restoring OPERUP after multicast flush ipoibibdevflushlight temporarily clears IPOIBFLAGOPERUP to prevent multicast joins while ipoibmcastdevflush is running, and restores the flag afterwards if it was previously...

UBUNTU-CVE-2026-98358

In the Linux kernel, the following vulnerability has been resolved: IB/iser: reject a remote invalidation of an unregistered direction A write command whose data is sent entirely as immediate data is not registered. iserregmemfastreg takes the DMA key path and leaves rdmaregISERDIROUT.desc at NUL...

UBUNTU-CVE-2026-98197

In the Linux kernel, the following vulnerability has been resolved: hwmon: w83791d remove fan/pwm 4-5 sysfs group on remove When the fan/pwm 4-5 pins are not used as GPIO, w83791dprobe creates the w83791dgroupfanpwm45 sysfs group on the I2C client device. The probe error path removes this group...

UBUNTU-CVE-2026-98251

In the Linux kernel, the following vulnerability has been resolved: openvswitch: avoid reallocating confirmed conntrack labels ovsctgetconnlabels adds the labels extension when a conntrack entry does not have one. Confirmed conntracks can be read locklessly, so adding an extension may reallocate...

CVE-2026-98275

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: cortina: Ack RX overrun interrupt correctly The RX overrun interrupt is reported in interrupt status register 4, but gmacirq acknowledges it using the RX descriptor error bit from status register 0. For GMAC0 this...