UBUNTU-CVE-2026-98294

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciqca: Do not write to the serial port after it is closed hciuartclose closes the serdev port if HCIQUIRKNONPERSISTENTSETUP is set for example, for the WCN399x family. A failed hcidevopensync following a successful...

UBUNTU-CVE-2026-98255

In the Linux kernel, the following vulnerability has been resolved: tcp: exclude old ACKs from tcp fast path Exclude old ACKs before SND.UNA from the tcp fast path as well as ACKs after SND.NXT. Such ACKs will fall through to the slow path, where tcpack performs the appropriate validation and...

UBUNTU-CVE-2026-98359

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Reject unregistering netdevs in ibgetethspeed ibdevicegetnetdev intentionally returns a referenced netdevice even when it is unregistering, so matching and cleanup callers can still find the association. The reference...

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...

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-2026-98192

In the Linux kernel, the following vulnerability has been resolved: wifi: wcn36xx: Fix potential use-after-free in TX ack timer teardown wcn36xxdxedeinit tears down the TX ack timer with timerdelete, which only dequeues the timer and does not wait for a callback that is already executing; the...

UBUNTU-CVE-2026-98280

In the Linux kernel, the following vulnerability has been resolved: drm/xe/i2c: Disable IRQ on unbind Currently, struct xei2c is freed before SGUnit IRQ is disabled in unbind path, leaving a potential UAF in case I2C IRQ is hit during this small window. Explicitly disable I2C IRQ in xei2cremove a...

UBUNTU-CVE-2026-98345

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: check IP header size in cfg80211classify8021d A frame that looks like IP can be transmitted, but be too short, so the DS field is read incorrectly: BUG: KMSAN: uninit-value in cfg80211classify8021d+0x99d/0x12b0...

AZL-106428 CVE-2026-98179 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix rmmio iounmap skipped on device removal amdgpupciremove calls drmdevunplug before finisw, so drmdeventer is already false there and the iounmap guarded by it is skipped. This .remove path runs on both hot-unplug a...

UBUNTU-CVE-2026-98209

In the Linux kernel, the following vulnerability has been resolved: mmc: sdhci-of-aspeed: Remove children before releasing SDC resources Probe failure and removal leave SDHCI child devices registered after the parent clock and managed resources are released. Unregister the OF children in reverse...

UBUNTU-CVE-2026-98182

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: refuse to make a monitor active when it has no queue A monitor interface only gets a TXQ if it's created active, and one can't be added later. Setting the flag on a down interface is still allowed, so the driver i...

UBUNTU-CVE-2026-98284

In the Linux kernel, the following vulnerability has been resolved: netlink: do not free nlk-groups while lockless readers can use it netlinkreallocgroups uses krealloc under netlinktablegrab. Whenever NLGRPSZgroups lands in a different kmalloc bucket, the old bitmap is freed immediately. Two...

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-2026-98182

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: refuse to make a monitor active when it has no queue A monitor interface only gets a TXQ if it's created active, and one can't be added later. Setting the flag on a down interface is still allowed, so the driver i...

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-2026-98274

In the Linux kernel, the following vulnerability has been resolved: net: psp: avoid conflicts with skb-decrypted and skvalidatexmitskb PSP conflicts with TLS ULP in its usage of both skb-decrypted and sk-skvalidatexmitskb. Make PSP mutually exclusive with TLS ULP, the only other user of either of...

UBUNTU-CVE-2026-98204

In the Linux kernel, the following vulnerability has been resolved: Input: rmismbus - fix out-of-bounds read in rmismbwriteblock When chunking writes into SMBus blocks in rmismbwriteblock, the loop calculates blocklen using the original total length len instead of the remaining length curlen. If...

UBUNTU-CVE-2026-98338

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: ibss: ref BSS entry for joined event When the IBSS is joined, we only record the BSSID/channel in the event and look up the BSS entry when processing it. However, that's racy, e.g. a new scan with...

UBUNTU-CVE-2026-98286

In the Linux kernel, the following vulnerability has been resolved: dropmonitor: use timershutdownsync to prevent timer rearming during teardown In dropmonitor teardown paths netdmtraceoffset, netdmhwmonitorstop, and error unwind paths in netdmtraceonset and netdmhwmonitorstart, per-CPU timers ar...

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...