UBUNTU-CVE-2026-98295

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: coredump: Quiesce dump work on unregister hcidevcdhandlepktinit arms dumptimeout and coredump producers queue dumprx without holding an hdev reference. Unregister leaves both works live, so disconnecting during an acti...

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-2026-98189

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-2026-98265

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Clamp implicit feedback packet count to URB capacity dataepsetparams allocates each data URB for exactly u-packets isochronous frames, so urb-isoframedesc has u-packets slots and ctx-packets is the driver's only...

UBUNTU-CVE-2026-98246

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: Serialize local codec list cleanup hcidevclosesync clears hdev-localcodecs after releasing hdev-lock. Codec list additions and both traversals in scosockgetsockopt use that lock, but the close path does not. A...

UBUNTU-CVE-2026-98290

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: avoid socket lock inversion in listener cleanup rfcommsockcleanuplisten closes unaccepted child sockets through rfcommsockclose, which takes the child socket lock before rfcommdlcclose acquires rfcommmutex. The...

UBUNTU-CVE-2026-98236

In the Linux kernel, the following vulnerability has been resolved: net: wwan: mhiwwanmbim: check skbcopybits return value mhimbimrx ignores the return value of skbcopybits when it copies each datagram out of the NTB. The datagram offset and length come from the DPE, which is only checked to lie...

UBUNTU-CVE-2026-98259

In the Linux kernel, the following vulnerability has been resolved: fs/dax: check zero or empty entry before converting xarray entry Calling daxtofolio with empty entry causes kernel panic below when booting a VM with DAX enabled storage. This patch checks empty entry before calling daxtofolio on...

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:...

CVE-2026-98193

In the Linux kernel, the following vulnerability has been resolved: wifi: libipw: reject TKIP frames without a full MIC libipwmichaelmicverify assumes that an skb contains an eight-byte Michael MIC. A short TKIP frame makes the unsigned payload length wrap, causing michaelmic to read past the skb...

UBUNTU-CVE-2026-98268

In the Linux kernel, the following vulnerability has been resolved: perf: Fix null pointer access in isincludeguestevent A typical module unload occurring event when there is an active perf connection leads to freeing of the pmu pointer. The call log is something like: .. pmudetachevent...

UBUNTU-CVE-2026-98193

In the Linux kernel, the following vulnerability has been resolved: wifi: libipw: reject TKIP frames without a full MIC libipwmichaelmicverify assumes that an skb contains an eight-byte Michael MIC. A short TKIP frame makes the unsigned payload length wrap, causing michaelmic to read past the skb...

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-2026-98357

In the Linux kernel, the following vulnerability has been resolved: IB/isert: wait for deferred control PDU completions before releasing the connection isertsenddone hands ISTATESENDTASKMGTRSP, ISTATESENDREJECT and ISTATESENDTEXTRSP completions off to isertcompwq and returns. The work item then...

CVE-2026-98217

In the Linux kernel, the following vulnerability has been resolved: IB/mlx4: Fix use-after-free on pkey sysfs registration failure registerpkeytree ignores errors from registeronepkeytree and continues registering the remaining slaves. The per-slave error path has already released the pkey parent...

UBUNTU-CVE-2026-98187

In the Linux kernel, the following vulnerability has been resolved: wifi: p54: require a full expif record in PDRINTERFACELIST The PDRINTERFACELIST loop only checks that the record start is within the entry before reading an entire struct expif from it. A truncated trailing record makes the...

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-2026-98337

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: don't start a ROC while scanning The ROC work can be pending when a scan starts which requires ROC list to be empty, but that's possible, and then a new ROC can be added to the list and the work will pick it up...

UBUNTU-CVE-2026-98326

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: mesh: release the channel if start fails ieee80211joinmesh acquires a channel context and then calls ieee80211startmesh, which can fail. In that case, the chanctx isn't released then interface removal will attempt...

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...