UBUNTU-CVE-2026-98184

In the Linux kernel, the following vulnerability has been resolved: wifi: mwifiex: prevent authentication frame length truncation mwifiexcfg80211authenticate derives the authentication frame length from req-ielen and req-authdatalen, both of type sizet, but stores it in a u16. NL80211ATTRAUTHDATA...

UBUNTU-CVE-2026-98343

In the Linux kernel, the following vulnerability has been resolved: dmaengine: fix use-after-free in dmachanput and dmareleasechannel When dmadeviceput drops the last reference on chan-device-ref, dmadevicerelease runs and may free the dmadevice along with its channels. dmachanput then still read...

CVE-2026-98292

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btmtksdio, btmtkuart: validate WMT event length before struct access btmtksdio.c and btmtkuart.c cast a received WMT event straight to struct btmtkhciwmtevt and read its op/flag fields without checking the event is lon...

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-2026-98224

In the Linux kernel, the following vulnerability has been resolved: mm/vma: correctly unaccount on mmapprepare failure mmapsetup accounts memory for relevant mappings via: securityvmenoughmemorymm - vmenoughmemory - vmacctmemory If mmapsetup fails, this indicates that this accounting did not take...

UBUNTU-CVE-2026-98214

In the Linux kernel, the following vulnerability has been resolved: selinux: recheck intermediate backing files on mprotect mprotect can be used to bypass the SELinux checks that mmap performs against the intermediate layers of a stacked filesystem. mmap checks every backing layer as the request...

UBUNTU-CVE-2026-98289

In the Linux kernel, the following vulnerability has been resolved: afunix: Unify sccindex when finalising SCC in unixwalkscc. Commit bfdb01283ee8 "afunix: Assign a unique index to SCC." changed Tarjan's algorithm to update lowlink with lowlink, which is called lowpoint unixvertex.sccindex...

UBUNTU-CVE-2026-98366

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: validate access flags before swapping the MR's PD rxereregusermr reassigns mr-ibmr.pd first and only then validates the IBMRREREGACCESS argument: if flags & IBMRREREGPD rxeputoldpd; rxegetpd; mr-ibmr.pd = ibpd; if flags...

UBUNTU-CVE-2026-98213

In the Linux kernel, the following vulnerability has been resolved: mmc: core: Cancel SDIO IRQ work before freeing host A host controller that uses sdiosignalirq schedules host-sdioirqwork from its interrupt handler. That work is only cancelled on the suspend path mmcsdiosuspend, not on the...

UBUNTU-CVE-2026-98297

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcicore: Fix queuing txwork after workqueue is drained hcisendacl, hcisendsco and hcisendiso queue hdev-txwork unconditionally. They can run from the L2CAP/SCO/ISO socket send path while hcidevclosesync is draining...

CVE-2026-98323

In the Linux kernel, the following vulnerability has been resolved: RDMA/siw: Bound fragmented header copies by the remaining length siwgethdr can receive an extended DDP/RDMAP header across more than one TCP callback. The first callback may receive most of the header, while the next one still...

UBUNTU-CVE-2026-98363

In the Linux kernel, the following vulnerability has been resolved: firmware: armscpi: reject DVFS OPP count above MAXDVFSOPPS scpidvfsgetinfo already rejected a zero oppcount, but still trusted any larger value from the SCP firmware. The shared-memory reply only holds MAXDVFSOPPS entries in...

UBUNTU-CVE-2026-98261

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix server use-after-free in cifschanskipordisable When a secondary channel is no longer supported by the server, cifschanskipordisable drops the channel reference with cifsputtcpsession and then continues to use the server...

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-2026-98252

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: fix refcount bug in iwpmgetnlmsgrequest iwpmgetnlmsgrequest initializes refcount after listaddtail making it accessible to global list where another CPU can krefget on nlmsgrequest causing a refcount "addition on 0" bu...

UBUNTU-CVE-2026-98339

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: don't filter by BSS type when removing stale entries When an assoc AP switches to a channel that already has a BSS entry, cfg80211updateassocbssentry removes that entry before rehashing the real one, since the two...

UBUNTU-CVE-2026-98189

In the Linux kernel, the following vulnerability has been resolved: wifi: wilc1000: fix RX buffer OOB-write in wilcwlanhandleisrext wilcwlanhandleisrext takes the RX transfer size from the device-reported interrupt status register a 15-bit field shifted left by 2, up to 131068 bytes and reads tha...

UBUNTU-CVE-2026-98281

In the Linux kernel, the following vulnerability has been resolved: futex: Also allocate private hash on vfork As Jann demonstrated, it is entirely feasible to access the mm through vfork. Therefore we need to allocate a private hash on vfork as well as any other CLONEVM user. Specifically, it mu...

UBUNTU-CVE-2026-98324

In the Linux kernel, the following vulnerability has been resolved: dmaengine: pxa: fix double counting of the hw descriptors pxadallocdesc was converted from kzallocstructsizeswdesc, hwdesc, nbhwdesc, GFPNOWAIT to kzallocflex, which sets the countedby counter swdesc-nbdesc itself - but only wher...

UBUNTU-CVE-2026-98352

In the Linux kernel, the following vulnerability has been resolved: RDMA/rtrs-clt: Fix CQ pool leak when connect is interrupted The client borrows shared CQ credits in the ADDRRESOLVED handler via ibcqpoolget, before the peer is connected. createcm can return -ERESTARTSYS from...