UBUNTU-CVE-2026-98334

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: reset state when starting AP fails ieee80211startap can set enablebeacon and beaconint and fail later, leaving it set forever. Scanning can then attempt to restore beaconing on such an interface, leading to: Oops:...

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-2026-98184

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-2026-98211

In the Linux kernel, the following vulnerability has been resolved: mmc: mmci: Fix use-after-free in busy-timeout work ux500busycomplete can queue ux500busytimeoutwork for an R1b command, but mmciremove never cancels it. The work can subsequently dereference the devm-allocated mmcihost after it h...

UBUNTU-CVE-2026-98272

In the Linux kernel, the following vulnerability has been resolved: net: mvpp2: prevent buffer overflow in pagepool allocation The per‑processor buffering scheme is supported only if the number of pools nrxqs 2 does not exceed MVPP2BMMAXPOOLS 8. This is already checked in mvpp2probe during the...

UBUNTU-CVE-2026-98306

In the Linux kernel, the following vulnerability has been resolved: seg6: set IPSKBL3SLAVE from IP6SKBL3SLAVE on IPIP decapsulation When an SRv6 packet arrives on an interface enslaved to a VRF, vrfip6rcv sets IP6SKBL3SLAVE in IP6CB, but decapandvalidate has never set IPSKBL3SLAVE in IPCB. The bi...

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...

UBUNTU-CVE-2026-98293

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: Fix parent socket leak in isoconnready isogetsock returns the parent socket with a reference held, which is dropped by sockput once the child socket has been set up. The error path taken when isosockalloc fails on...

UBUNTU-CVE-2026-98346

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: don't get the radio mask for netdev-less wdevs cfg80211calculatebidata calls rdevgetradiomask with wdev-netdev, which can be NULL and then crashes in mac80211. To avoid that, invert the order of checks since...

UBUNTU-CVE-2026-98232

In the Linux kernel, the following vulnerability has been resolved: scsi: core: Validate MODE SENSE lengths in scsicdlenable scsicdlenable uses length fields returned by MODE SENSE to locate the ATA feature mode page in a 64-byte stack buffer. A target can report a total length shorter than its...

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-2026-98318

In the Linux kernel, the following vulnerability has been resolved: smb: client: validate absolute native symlink targets before NT fixups With symlinkroot unset, an absolute target is copied without conversion to an NT drive path. Later code still assumes an NT prefix is present when modifying t...

UBUNTU-CVE-2026-98263

In the Linux kernel, the following vulnerability has been resolved: ASoC: codecs: rt712-sdca-dmic: fix uninitialized streamconfig-type streamconfig is not initialized before being passed to sdwstreamaddslave. The type field may contain garbage and is later copied to stream-type by sdwconfigstream...

UBUNTU-CVE-2026-98279

In the Linux kernel, the following vulnerability has been resolved: btrfs: handle lack of space when cleaning up verity items When enableverity hits the qgroup limit, rollbackverity needs its own metadata reservation. When the qgroup limit or lack of space refuses the rollback, the whole filesyst...

UBUNTU-CVE-2026-98278

In the Linux kernel, the following vulnerability has been resolved: net: remove WARNONONCE from the devfillforwardpath loop check ipipfillforwardpath and ip6tnlfillforwardpath look up the route to the tunnel's remote endpoint and set ctx-dev to its device, which is the tunnel itself when that rou...

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...

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...

CVE-2026-98305

In the Linux kernel, the following vulnerability has been resolved: net: dsa: mxl862xx: disable the stats poll on teardown mxl862xxsetup arms the stats poll before mxl862xxsetupmdio, and nothing stops it until dsaregisterswitch has returned an error to mxl862xxprobe. DSA frees the dsaport list...

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...

CVE-2026-98356

In the Linux kernel, the following vulnerability has been resolved: RDMA/bnxtre: check createsinglethreadworkqueue in DCB setup bnxtreinitdcbwq ignores a failed allocation. The async DCB handler later calls queuework on the NULL pointer...