UBUNTU-CVE-2026-68286

In the Linux kernel, the following vulnerability has been resolved: dropmonitor: perform u64stats updates under IRQ-disabled section In netdmpackettracekfreeskbhit and netdmhwtrappacketprobe, u64statsupdatebegin / u64statsinc / u64statsupdateend were called after...

UBUNTU-CVE-2026-68366

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uvc: clamp SENDRESPONSE length to the response buffer uvcsendresponse builds the UVC control response from a user-supplied struct uvcrequestdata: req-length = mintunsigned int, uvc-eventlength, data-length;...

UBUNTU-CVE-2026-68396

In the Linux kernel, the following vulnerability has been resolved: scsi: core: wake eh reliably when using scsischeduleeh Drivers which use the scsischeduleeh function to run the error handler currently risk the error handler thread never waking once all commands are timed out or inactive. There...

UBUNTU-CVE-2026-68222

In the Linux kernel, the following vulnerability has been resolved: media: msi2500: 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 vi...

UBUNTU-CVE-2026-68421

In the Linux kernel, the following vulnerability has been resolved: schedext: Don't warn on core-sched forced idle in putprevtaskscx putprevtaskscx warns when a runnable task drops to a lower schedclass without SCXOPSENQLAST, on the assumption that balanceone would have kept it running. Core...

UBUNTU-CVE-2026-68290

In the Linux kernel, the following vulnerability has been resolved: rds: tcp: unregister sysctl before tearing down listen socket rdstcpexitnet frees the per-netns RDS TCP listen socket via rdstcpkillsock before unregistering the per-netns sysctl table. Since rdstcpskbufhandler derives the netns...

UBUNTU-CVE-2026-68381

In the Linux kernel, the following vulnerability has been resolved: ksmbd: pin conn during async oplock break notification smb2oplockbreaknoti and smb2leasebreaknoti store a ksmbdconn pointer in an async ksmbdwork and then queue that work on ksmbd-io. The work only increments conn-rcount, which...

UBUNTU-CVE-2026-68225

In the Linux kernel, the following vulnerability has been resolved: media: i2c: alvium: fix critical pointer access in alviumctrlinit The current implementation of alviumctrlinit creates several controls in function alviumctrlinit and uses the returned pointer without check. That can cause write...

UBUNTU-CVE-2026-68191

In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: fix NULL pointer dereference in rhash table destroy When unbinding the ath12k driver, kernel NULL pointer dereferences occur in irqworksync called from rhashtabledestroy. Two hash tables are affected: 1. ath12klinks...

CVE-2026-68223

In the Linux kernel, the following vulnerability has been resolved: media: meson: vdec: Fix memory leak in error path of vdecopen The vdecopen function previously jumped directly to errm2mrelease when vdecinitctrls failed, skipping release of the m2m context. This caused a resource leak. Fix it b...

UBUNTU-CVE-2026-68356

In the Linux kernel, the following vulnerability has been resolved: watchdog: airoha: Prevent division by zero when clock frequency is zero clkgetrate can return 0 when the clock provider is not properly configured or the clock is unmanaged. The driver uses wdtfreq as a divisor directly in...

CVE-2026-68145

In the Linux kernel, the following vulnerability has been resolved: iomap: fix out-of-bounds bitmapset with zero-length range ifssetrangedirty and ifssetrangeuptodate compute lastblk as off + len - 1 iblkbits. When off is 0 and len is 0, the unsigned subtraction underflows to SIZEMAX, producing a...

CVE-2026-68147

In the Linux kernel, the following vulnerability has been resolved: fscrypt: Avoid dynamic allocation in fscryptgetdevices When a blkcryptokey starts being used or is evicted, fs/crypto/ calls fscryptgetdevices to get the filesystem's list of block devices, then iterates over them and calls...

CVE-2026-68149

In the Linux kernel, the following vulnerability has been resolved: fs: preserve ACLDONTCACHE state in forgetcachedacl The ACLDONTCACHE state is meant to be a constant state for the inode for filesystems that want to opt out of posix acl caching. Commit facd61053cff1 "fuse: fixes after adapting t...

UBUNTU-CVE-2026-68265

In the Linux kernel, the following vulnerability has been resolved: drm/xe/vm: Fix BO prefetch with CONSULTMEMADVISEPREFLOC When prefetch region is DRMXECONSULTMEMADVISEPREFLOC for a BO VMA, the code used it as an index into regiontomemtype, causing an out-of-bounds access since the value is -1...

UBUNTU-CVE-2026-68165

In the Linux kernel, the following vulnerability has been resolved: mm/damon/core: validate ranges in damonsetregions DAMON core logic assumes zero length regions don't exist. However, a few DAMON API callers including DAMONSYSFS, DAMONRECLAIM and DAMONLRUSORT allow users to set empty monitoring...

UBUNTU-CVE-2026-68377

In the Linux kernel, the following vulnerability has been resolved: net/sched: acttunnelkey: Defer dstrelease to RCU callback Fix a race-condition use-after-free in tunnelkeyreleaseparams. The function releases the metadatadst of the old params synchronously via dstrelease while deferring the...

UBUNTU-CVE-2026-68333

In the Linux kernel, the following vulnerability has been resolved: dpaa2-switch: put MAC endpoint device on disconnect fslmcgetendpoint returns the MAC endpoint device with a reference taken through devicefindchild. The switch port connect path stores that device in mac-mcdev and keeps it for th...

UBUNTU-CVE-2026-68417

In the Linux kernel, the following vulnerability has been resolved: RDMA/siw: publish QP after initialization siwcreateqp currently calls siwqpadd before the queues, CQ pointers, state, completion, and device list entry are ready. A QPN lookup can therefore reach a QP that is still being...

CVE-2026-68198

In the Linux kernel, the following vulnerability has been resolved: wifi: ath6kl: fix use-after-free in aggrresetstate The aggrresetstate function uses timerdelete non-synchronous for the aggregation timer before proceeding to delete TID state and before the structure is freed by callers like...