UBUNTU-CVE-2026-68295

In the Linux kernel, the following vulnerability has been resolved: LoongArch: BPF: Zero-extend signed ALU32 div/mod results ALU32 operations write a 32-bit result and leave the upper 32 bits of the BPF register zero. The LoongArch JIT sign-extends the result of signed ALU32 BPFDIV and BPFMOD...

UBUNTU-CVE-2026-68172

In the Linux kernel, the following vulnerability has been resolved: arm64: make hugeptepget handled unaligned addresses hugeptepget can be handed a virtual address pointing to the middle of a contpmd/contpte mapped hugetlb folio examples of callers are pagemaphugetlbrange, pagemappedinvma. The...

UBUNTU-CVE-2026-68377

In the Linux kernel, the following vulnerability has been resolved: net/sched: acttunnelkey: Defer dstrelease to RCU callback Fix a race-condition use-after-free in tunnelkeyreleaseparams. The function releases the metadatadst of the old params synchronously via dstrelease while deferring the...

UBUNTU-CVE-2026-68286

In the Linux kernel, the following vulnerability has been resolved: dropmonitor: perform u64stats updates under IRQ-disabled section In netdmpackettracekfreeskbhit and netdmhwtrappacketprobe, u64statsupdatebegin / u64statsinc / u64statsupdateend were called after...

UBUNTU-CVE-2026-68251

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/sdma6.0: replace BUGON with WARNON There's no need to crash the kernel for these cases. cherry picked from commit c17a508a7d652da3728f8bbc481bfffe96d65a87...

UBUNTU-CVE-2026-68309

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: connac: fix possible NULL-pointer deref in mt76connacmcuunibsshetlv mt76connacgethephycap routine can theoretically return NULL so check cap pointer before dereferencing it...

UBUNTU-CVE-2026-68159

In the Linux kernel, the following vulnerability has been resolved: libceph: bound pgtemp,upmap,upmapitems length to CEPHPGMAXSIZE decodepgtemp decodes an user-controlled length but only rejects values large enough to overflow the allocation; it does not bound it to CEPHPGMAXSIZE. The helper back...

UBUNTU-CVE-2026-68257

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: fix 32-bit overflow in CWSR total size calculation totalcwsrsize was computed in 32-bit before being used as a BO/SVM allocation size. With large ctxsaverestoreareasize and debugmemorysize multiplied by the XCC count,...

UBUNTU-CVE-2026-68375

In the Linux kernel, the following vulnerability has been resolved: bnxten: Handle partially initialized auxiliary devices bnxtauxdevicesinit calls auxiliarydeviceinit before all fields used by bnxtauxdevrelease are initialized. After auxiliarydeviceinit succeeds, later errors must unwind with...

UBUNTU-CVE-2026-68296

In the Linux kernel, the following vulnerability has been resolved: net: gre: fix lltx regression for GRE tunnels with SEQ/CSUM Before commit 00d066a4d4ed "netdevfeatures: convert NETIFFLLTX to dev-lltx", NETIFFLLTX was set unconditionally in both gretunnelinit and ip6gretnlinitfeatures alongside...

UBUNTU-CVE-2026-68388

In the Linux kernel, the following vulnerability has been resolved: smb/client: handle overlapping allocated ranges in fallocate smb3simplefallocaterange can skip holes when an allocated range returned by the server starts before the current fallocate offset. The skipped hole is not zero-filled,...

UBUNTU-CVE-2026-68224

In the Linux kernel, the following vulnerability has been resolved: media: mali-c55: Fix possible ERRPTR in enablestreams The mediapadremotepadunique function returns either a valid pointer or an ERRPTR on failure -ENOTUNIQ if multiple links are enabled, -ENOLINK if no connected pad is found. The...

UBUNTU-CVE-2026-68200

In the Linux kernel, the following vulnerability has been resolved: ALSA: timer: don't re-enter an instance callback that is still running The userspace-driven timer utimer TRIGGER ioctl calls sndtimerinterrupt directly with no serialization, so two threads triggering the same utimer can run...

UBUNTU-CVE-2026-68225

In the Linux kernel, the following vulnerability has been resolved: media: i2c: alvium: fix critical pointer access in alviumctrlinit The current implementation of alviumctrlinit creates several controls in function alviumctrlinit and uses the returned pointer without check. That can cause write...

UBUNTU-CVE-2026-68320

In the Linux kernel, the following vulnerability has been resolved: sctp: fix authchunklist capacity check in sctpauthepaddchunkid sctpauthepaddchunkid uses SCTPNUMCHUNKTYPES 20 as the capacity limit for ep-authchunklist, allowing it to hold up to 20 chunk entries paramhdr.length up to 24. Howeve...

UBUNTU-CVE-2026-68177

In the Linux kernel, the following vulnerability has been resolved: tracing: Delay module ref count for "enableevent" trigger Triggers are now delayed from freeing, but can still be triggered until after the RCU grace period has ended. The freeing of the enableevent data is put into the...

CVE-2026-68192

In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: make releasescratchbuffers idempotent brcmfpciereleasescratchbuffers frees the shared.scratch and shared.ringupd DMA buffers with dmafreecoherent but does not clear the pointers afterwards, unlike the sibling...

CVE-2026-68387

In the Linux kernel, the following vulnerability has been resolved: can: raw: add locking for raw flags bitfield With commit 890e5198a6e5 "can: raw: use bitfields to store flags in struct rawsock" the formerly separate integer values have been integrated into a single bitfield. This led to a...

UBUNTU-CVE-2026-68427

In the Linux kernel, the following vulnerability has been resolved: gpu: host1x: Fix use-after-free in host1xboclearcachedmappings host1xbounpin drops the last reference to the mapping and frees it, so we can't dereference mapping afterwards. The cache itself outlives the mapping, so use the cach...

UBUNTU-CVE-2026-68358

In the Linux kernel, the following vulnerability has been resolved: hwmon: nzxt-kraken3 Stop device IO before calling hidhwstop Calling hidhwstop does not stop the device IO. This results in a race condition between hidinputreport and the point immediately following the execution of...