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-2026-98266

In the Linux kernel, the following vulnerability has been resolved: ALSA: core: Fix potential UAF after asynchronous card release Usually a sound driver releases the resources assigned to the card via sndcardfree, and it synchronizes with the whole release procedure. However, when the card is...

UBUNTU-CVE-2026-98286

In the Linux kernel, the following vulnerability has been resolved: dropmonitor: use timershutdownsync to prevent timer rearming during teardown In dropmonitor teardown paths netdmtraceoffset, netdmhwmonitorstop, and error unwind paths in netdmtraceonset and netdmhwmonitorstart, per-CPU timers ar...

UBUNTU-CVE-2026-98317

In the Linux kernel, the following vulnerability has been resolved: neighbour: Enforce min/max to NDTPAINTERVALPROBETIMEMS. NDTPAINTERVALPROBETIMEMS sets .type and .min but misses .validationtype, so no validation is applied: ynl --family rt-neigh --do setneightbl \ --json '"name": "arpcache",...

UBUNTU-CVE-2026-98348

In the Linux kernel, the following vulnerability has been resolved: wifi: libipw: reject too-short association responses libipwhandleassocresp reads the capability, status and aid fields of the 30-byte association response prefix and then computes the information element length as stats-len -...

UBUNTU-CVE-2026-98181

In the Linux kernel, the following vulnerability has been resolved: drm/gud: fix out-of-bounds write in gudplaneatomiccheck The plane property loop uses req-propertiesnumproperties + i as write index while simultaneously incrementing numproperties inside the loop. At iteration i, numproperties ha...

UBUNTU-CVE-2026-98271

In the Linux kernel, the following vulnerability has been resolved: net: skbuff: do not leave stale header offsets after pskbcarve pskbcarveinsideheader and pskbcarveinsidenonlinear remove the first bytes of a packet and reallocate skb-head. All the headers that were present before the operation...

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...

UBUNTU-CVE-2026-98314

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: set timer-privatedata before registering the PCM timer sndpcmtimerinit calls snddeviceregister to link the new struct sndtimer into the global timer list while it still carries hw.cresolution = sndpcmtimerresolution an...

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-2026-98273

In the Linux kernel, the following vulnerability has been resolved: x86/kprobes: Fix crash when probing CS CALL instructions When using eBPF to probe CS CALL instructions within a function, a crash can be triggered. The eBPF tool probes offset 257 of the hrtimerrunqueues function: : nopl...

UBUNTU-CVE-2026-98319

In the Linux kernel, the following vulnerability has been resolved: drm: Fix drmpendingvblankevent leak in error path for outfenceptr When an outfenceptr is provided but DRMMODEPAGEFLIPEVENT is not set, a drmpendingvblankevent will be allocated. If later, there is an allocation failure or another...

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-2026-98212

In the Linux kernel, the following vulnerability has been resolved: mmc: hsq: Fix use-after-free in retry work mmchsqpumprequests queues retrywork when requestatomic returns -EBUSY; today sdhci-sprd is the only consumer that implements requestatomic. The work is embedded in a devm-allocated mmchs...

UBUNTU-CVE-2026-98238

In the Linux kernel, the following vulnerability has been resolved: net: wwan: t7xx: validate the netif index in t7xxccmnirecvskb The netif index carried in the DPMAIF PIT header is five bits wide, but ccmniinst only has room for NICDEVMAX 21 entries. t7xxccmnirecvskb indexes the array without a...

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-2026-98269

In the Linux kernel, the following vulnerability has been resolved: btrfs: abort transaction on failure to update inode for hole punching and reflinking If we fail to update the inode we error out without aborting the transaction, which can result in a persistent inconsistency if after the failur...

UBUNTU-CVE-2026-98256

In the Linux kernel, the following vulnerability has been resolved: signal: Prevent exec race Hyunwoo debugged the following KASAN UAF splat: BUG: KASAN: slab-use-after-free in sendsignallocked+0xb27/0xba0 Write of size 8 at addr ffff888007ed80c8 by task poc/79 ... Call Trace:...

UBUNTU-CVE-2026-98264

In the Linux kernel, the following vulnerability has been resolved: ALSA: virtio: reset device before deleting virtqueues virtsndremove and virtsndfreeze delete the virtqueues before resetting the device. delvqs frees the vring backing, but does not provide a generic device quiesce operation. In...