CVE-2026-98404

In the Linux kernel, the following vulnerability has been resolved: drm/virtio: Fix a NULL vs ERRPTR bug in virtiogpuuserframebuffercreate Smatch complains that returning a NULL here will lead to a NULL pointer dereference in drmmodeaddfb2. Return an error pointer instead...

CVE-2026-98413

In the Linux kernel, the following vulnerability has been resolved: selinux: always fill AVC decision in avchaspermnoaudit avchaspermnoaudit is documented to return a copy of the access decision in @avd, but its early return for an empty requested permission set leaves the buffer untouched. All...

CVE-2026-98407

In the Linux kernel, the following vulnerability has been resolved: wifi: rsi: fix heap OOB write on key removal When a key is removed data == NULL, rsihalloadkey runs: memset&setkeyFRAMEDESCSZ, 0, framelen - FRAMEDESCSZ; setkey is a struct rsisetkey , so the subscript is scaled by sizeofstruct...

UBUNTU-CVE-2026-98420

In the Linux kernel, the following vulnerability has been resolved: ksmbd: follow SMB2 session expiration semantics ksmbdsessionregister destroys valid sessions after ten seconds of inactivity whenever a client starts another SessionSetup exchange. This confuses Session.IdleTime with...

PT-2026-114387

In the Linux kernel, the following vulnerability has been resolved: watchdog: rzv2h: Avoid division by zero clk get rate could return 0. Avoid a division by zero panic...

CVE-2026-98430

In the Linux kernel, the following vulnerability has been resolved: RDMA/efa: Keep admin queues alive while IRQ is registered The management IRQ handler accesses both the admin completion queue and the async event queue. The driver registered the IRQ before constructing these queues and destroyed...

CVE-2026-98427

In the Linux kernel, the following vulnerability has been resolved: net/sched: codel: bound the dropping loop per dequeue call The CoDel control law schedules the next drop one interval/sqrtcount after the previous drop, using the configured interval codelparams.interval. For very small intervals...

CVE-2026-98409

In the Linux kernel, the following vulnerability has been resolved: watchdog: rtd119x: Avoid division by zero clkgetrate could return 0. Avoid a division by zero panic...

CVE-2026-98430: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: RDMA/efa: Keep admin queues alive while IRQ is registered The management IRQ handler accesses both the admin completion queue and the async event queue. The driver registered the IRQ before constructing these queues and destroyed...

UBUNTU-CVE-2026-98386

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Use memsetio to clear QLAFX00 request ring slot For QLAFX00 the request ring is ioremapped device I/O memory ha-iobase + reqqueoff, not DMA-coherent RAM, which is why the rest of the FX00 path accesses it through...

PT-2026-114409

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the RDMA/efa driver where the management IRQ handler accesses the admin completion queue and the async event queue. The driver registered the IRQ before these queues...

UBUNTU-CVE-2026-98430

In the Linux kernel, the following vulnerability has been resolved: RDMA/efa: Keep admin queues alive while IRQ is registered The management IRQ handler accesses both the admin completion queue and the async event queue. The driver registered the IRQ before constructing these queues and destroyed...

UBUNTU-CVE-2026-98402

In the Linux kernel, the following vulnerability has been resolved: net: icmp: avoid invalid transport header access in icmpsend tracepoint syzbot reported a WARNING triggered by DEBUGNETWARNONONCE: WARNING: at skbtransportheader include/linux/skbuff.h:3087 inline WARNING: at udphdr...

CVE-2026-98423

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211hwsim: don't hand frames to mac80211 while stopping The code checks -started for frames coming from wmediumd, but the radio can be stopped after the check and before frame delivery, causing mac80211 to hit the...

CVE-2026-98402

In the Linux kernel, the following vulnerability has been resolved: net: icmp: avoid invalid transport header access in icmpsend tracepoint syzbot reported a WARNING triggered by DEBUGNETWARNONONCE: WARNING: at skbtransportheader include/linux/skbuff.h:3087 inline WARNING: at udphdr...

CVE-2026-98405

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix missing iov bounds check in parseposixsids In parseposixsids, sidsbufend is calculated using the server-supplied outlen without being validated against the actual length of the received iov iovlen. If a server...

Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: net/sched: actct: Only release RCU read lock after ctft CVE-2026-46319 kernel: net/sched: taprio: fix use-after-free in advancesched on schedule switch CVE-2026-53011 kernel: wifi:...

Important: kernel-rt security, bug fix, and enhancement update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fixes: kernel: Linux kernel: Denial of Service due to use-after-free in acttunnelkey CVE-2026-68377 kernel: ASoC: SOF: ipc3-control: Fix heap...

CVE-2026-98431: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: RDMA/uverbs: Fix mmaplock/disassociationlock circular dependency Commit 51976c6cd786 "RDMA/core: Provide rdmausermmapdisassociate to disassociate mmap pages" introduced disassociationlock to protect new mmap registrations against...

CVE-2026-98429: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: RDMA/efa: Keep EQ resources alive while IRQ is registered The completion IRQ handler accesses the EQ state and DMA buffer. Its IRQ was registered before that state was initialized, while teardown released the buffer before freeir...