UBUNTU-CVE-2026-68284

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix cork use-after-free in tcpbpfsendmsg tcpbpfsendmsg keeps msgtx across skstreamwaitmemory, which drops and reacquires the socket lock. Its error path tries to decide whether msgtx names the local temporary messag...

UBUNTU-CVE-2026-68249

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/sdma5.0: replace BUGON with WARNON There's no need to crash the kernel for these cases. cherry picked from commit 8d144a0eb09537055841af48c9e7c2d4cd48e84d...

UBUNTU-CVE-2026-68359

In the Linux kernel, the following vulnerability has been resolved: hwmon: nzxt-smart2 Stop device IO before calling hidhwstop Calling hidhwstop does not stop the device IO. This results in a race condition between hidinputreport and the point immediately following the execution of hiddeviceiosta...

UBUNTU-CVE-2026-68386

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Reject unhashed UDP sockets on sockmap update UDP sockets get SOCKRCUFREE set when auto-bound. This means skisrefcountedunbound = true, while skisrefcountedbound = false. Because sockmap accepts unbound UDP sockets,...

UBUNTU-CVE-2026-68339

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btusb: validate Realtek vendor event length btusbrecveventrealtek reads the event code at data0 and the Realtek subevent code at data2 before deciding whether to consume a vendor event as a coredump. For example, the...

UBUNTU-CVE-2026-68216

In the Linux kernel, the following vulnerability has been resolved: media: pwc: Return queued buffers on startstreaming failure The vb2 framework hands buffers to the driver via bufqueue before calling startstreaming. If startstreaming returns an error without first returning those buffers via...

UBUNTU-CVE-2026-68362

In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: fix NULL pointer dereference in ath11khalsrngaccessbegin In ATH11KQMIEVENTFWREADY, ATH11KFLAGREGISTERED is set unconditionally even when ath11kcoreqmifirmwareready fails. This leaves the driver in an inconsistent...

UBUNTU-CVE-2026-68194

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7921: drop TXRXNOTIFY on non-mmio buses PKTTYPETXRXNOTIFY is an mmio-only event, but mt7921rxcheck and mt7921queuerxskb dispatch it to mt7921mactxfree on every bus. mt7921mactxfree cleans the DMA tx queues with...

DEBIAN-CVE-2026-68144

In the Linux kernel, the following vulnerability has been resolved: phonet: pep: fix use-after-free in pepgetsb pepgetsb doesn't consider that pskbmaypull might have relocated the skb data, and continue to access the older pointer, causing UAF. Reproduced under KASAN: BUG: KASAN:...

CVE-2026-68169

In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: userspace: fix use-after-free in getlocalid In mptcppmuserspacegetlocalid, the address entry is looked up under spinlock, but its id is read after dropping the lock. A concurrent deletion can free the entry between the...

CVE-2026-68177

In the Linux kernel, the following vulnerability has been resolved: tracing: Delay module ref count for "enableevent" trigger Triggers are now delayed from freeing, but can still be triggered until after the RCU grace period has ended. The freeing of the enableevent data is put into the...

CVE-2026-68402

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: bound element ID read when checking non-inheritance cfg80211iselementinherited reads the first data octet of the candidate element id = elem-data0 to look it up in an extension non-inheritance list. It does so aft...

CVE-2026-68220

In the Linux kernel, the following vulnerability has been resolved: media: nxp: imx8-isi: Add missing v4l2subdevcleanup in crossbar and pipe Both mxcisicrossbarinit and mxcisipipeinit call v4l2subdevinitfinalize which allocates the subdev active state, but neither mxcisicrossbarcleanup nor...

CVE-2026-68414

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: cancel sched scan results work on unregister cfg80211schedscanresults can queue rdev-schedscanreswk from a driver result notification while a scheduled scan request is present. The work callback recovers the...

CVE-2026-68416

In the Linux kernel, the following vulnerability has been resolved: mtd: fix double free and WARNON in addmtddevice error paths When deviceregister or mtdnvmemadd fails inside addmtddevice for a partition, the error handling triggers mtdrelease via putdevice or deviceunregister. mtdrelease calls...

CVE-2026-68195

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7615: drop TXRXNOTIFY on non-mmio buses PKTTYPETXRXNOTIFY is an mmio-only event, but mt7615rxcheck and mt7615queuerxskb dispatch it to mt7615mactxfree on every bus. mt7615mactxfree cleans the DMA tx queues with...

CVE-2026-68153

In the Linux kernel, the following vulnerability has been resolved: libceph: remove debugfs files before client teardown cephdestroyclient tears down the monitor client before removing the per-client debugfs files. A concurrent read of the monmap debugfs file can enter monmapshow after cephmoncst...

CVE-2026-68209

In the Linux kernel, the following vulnerability has been resolved: media: sun4i-csi: Return queued buffers on startstreaming failure The vb2 framework hands buffers to the driver via bufqueue before calling startstreaming. If startstreaming returns an error without first returning those buffers...

CVE-2026-68189

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: Protect UUID list traversal The hcisync conversion moved class-of-device and EIR generation from an HCI request built under hdev-lock to asynchronous command sync work. The worker holds hdev-reqlock, but that...

CVE-2026-68373

In the Linux kernel, the following vulnerability has been resolved: wifi: at76c50x-usb: avoid length underflow in at76guessfreq at76guessfreq checks only that the received frame is at least a bare 802.11 header 24 bytes before subtracting the fixed management-body offset: len -= eloff; For both...