UBUNTU-CVE-2026-98762

In the Linux kernel, the following vulnerability has been resolved: USB: dwc2: shut down wakeup timer before freeing HCD state dwc2wakeupdetected accesses the DWC2 host state and can rearm the wakeup timer. dwc2hcdfree currently deletes the timer only after freeing host-owned state, and timerdele...

UBUNTU-CVE-2026-98819

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btintel: validate DDC record lengths Parse DDC record lengths in unsigned storage so 0xFF does not wrap. Reject records smaller than the mandatory three-byte header, records exceeding U8MAX, and records exceeding...

UBUNTU-CVE-2026-98829

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: drop oversized fragments to avoid extralen overflow In ieee80211rxhdefragment, fragment payloads are accumulated into entry-extralen as subsequent fragments arrive: entry-extralen += rx-skb-len; When the final...

UBUNTU-CVE-2026-98714

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Update control fields on VMEXIT if and only if VMRUN succeeded Leave control.erapctl and control.clean as-is in the VMCS if VMRUN fails, because as per AMD: there's no explicit architectural guarantee about the behavior...

UBUNTU-CVE-2026-98716

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Use the active VMCB's MSR bitmap when checking if MSR is intercepted Use the MSR permission bitmap of the active VMCB instead of assuming that KVM is always using vmcb02's bitmap when L2 is active, as KVM uses msrpm02 i...

UBUNTU-CVE-2026-98597

In the Linux kernel, the following vulnerability has been resolved: net: usb: sr9700: include receive overhead in the length check The receive fixup subtracts the Ethernet CRC from the reported packet length, but compares that payload length against the whole remaining receive buffer. The followi...

UBUNTU-CVE-2026-98708

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: keep paired old chanctx alive An in-place replacement keeps reciprocal replacectx pointers between the old WILLBEREPLACED chanctx and the new REPLACESOTHER chanctx. However, the early free paths only consider...

UBUNTU-CVE-2026-98681

In the Linux kernel, the following vulnerability has been resolved: smb: client: split cifsFileInfo bitfields to avoid shared-byte RMW races The invalidHandle, swapfile, oplockbreakcancelled, offload, and statusfiledeleted fields are stored in the same bitfield byte in struct cifsFileInfo, but ar...

UBUNTU-CVE-2026-98700

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: set info-band for 802.3 encap offload frames Unlike the 802.11 TX paths, ieee802118023xmit does not set info-band from the channel context on non-MLD interfaces. It stays at 0, so ieee80211gettxrates uses the wron...

UBUNTU-CVE-2026-98852

In the Linux kernel, the following vulnerability has been resolved: net: extend IPv6 exthdr detection of tunneled packets Commit c4336a07eb6b "net: correctly handle tunneled traffic on IPV6CSUM GSO fallback" split skbgsohasextensionhdr into mutually exclusive branches on skb-encapsulation. This d...

UBUNTU-CVE-2026-98834

In the Linux kernel, the following vulnerability has been resolved: mtd: core: avoid double-free of OTP NVMEM device If factory OTP setup fails after the user OTP NVMEM device has been registered, mtdotpnvmemadd unregisters the user device but leaves mtd-otpusernvmem set. On an error, the caller...

UBUNTU-CVE-2026-98771

In the Linux kernel, the following vulnerability has been resolved: usb: storage: sierrams: reject short SWoC info transfers sierragetswocinfo requests sizeofstruct swocinfo 60 bytes from the device via usbcontrolmsg, but its callers only treat a negative return value as failure. A device that...

UBUNTU-CVE-2026-98812

In the Linux kernel, the following vulnerability has been resolved: net/mctp: publish the mctpdev only after it is initialised mctpadddev links the new mctpdev into dev-mctpptr before mdev-dev is assigned, so a reader that picks the device up in that window dereferences a netdevice pointer that i...

UBUNTU-CVE-2026-98752

In the Linux kernel, the following vulnerability has been resolved: tty: port: fix ttyportttyvhangup race Drivers rely on ttyportttyvhangup to synchronously hang up their ports before tearing down resources as part of deregistration e.g. on physical disconnect. If ttyportttyvhangup races with...

UBUNTU-CVE-2026-98800

In the Linux kernel, the following vulnerability has been resolved: bpf: Wait for an RCU tasks grace period before freeing trampoline progs When a prog is detached from a trampoline, it is freed after an RCU grace period, or an RCU tasks trace one if it is sleepable. This covers the tasks that ar...

UBUNTU-CVE-2026-98793

In the Linux kernel, the following vulnerability has been resolved: netfilter: bpf: reject invalid NAT manipulation types As bpfctsetnatinfo is not validating the NAT manipulation type a wrong value can be passed directly to nfnatsetupinfo. This triggers the WARNON at nfnatsetupinfo and if...

UBUNTU-CVE-2026-98754

In the Linux kernel, the following vulnerability has been resolved: tty: vcc: hold port lock when clearing tty pointer in vcccleanup vcccleanup sets port-tty to NULL without holding port-lock, racing with vccevent LDC callbacks that read port-tty under port-lock and then use tty-port. This can...

UBUNTU-CVE-2026-98763

In the Linux kernel, the following vulnerability has been resolved: usb: core: clear both epin and epout for non-ep0 control endpoints In usbenableendpoint, non-zero control endpoints where usbendpointxfercontrol&ep-desc is true populate both dev-epinepnum and dev-epoutepnum with the same struct...

UBUNTU-CVE-2026-98760

In the Linux kernel, the following vulnerability has been resolved: usb: typec: tipd: fix uninitialized typecpartnerdesc in tps6598xconnect tps6598xconnect passes a stack-allocated typecpartnerdesc to typecregisterpartner after initializing only usbpd, accessory and identity. typecregisterpartner...

UBUNTU-CVE-2026-98838

In the Linux kernel, the following vulnerability has been resolved: vt: skip screen update for DEC alignment test on backgroup consoles BUG Recently, we encountered a KASAN warning as follows: BUG: KASAN: slab-out-of-bounds in fbpadalignedbuffer+0x11f/0x140 Read of size 1 at addr ff1100015fd9f6a4...