CVE-2026-68181

In the Linux kernel, the following vulnerability has been resolved: mei: bus: access meidevice under devicelock on cleanup Fix couple of problems in meiclbusdevrelease: meiclflushqueues is running without lock. bus-filelist access after meidevbusputbus can become a use-after-free if this was the...

UBUNTU-CVE-2026-68374

In the Linux kernel, the following vulnerability has been resolved: usb: core: sysfs: add lock to bosdescriptorsread Add a lock to the function bosdescriptorsread. This function accesses udev-bos, which could be simultaneously freed in usbresetandverifydevice, a function that is commonly called i...

UBUNTU-CVE-2026-68341

In the Linux kernel, the following vulnerability has been resolved: ovpn: fix use after free in unlockovpn unlockovpn iterates over the releaselist using llistforeachentry and drops the peer reference inside the loop body via ovpnpeerput. If this drops the last reference, the peer is eventually...

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-2026-68153

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...

UBUNTU-CVE-2026-68427

In the Linux kernel, the following vulnerability has been resolved: gpu: host1x: Fix use-after-free in host1xboclearcachedmappings host1xbounpin drops the last reference to the mapping and frees it, so we can't dereference mapping afterwards. The cache itself outlives the mapping, so use the cach...

UBUNTU-CVE-2026-68360

In the Linux kernel, the following vulnerability has been resolved: hwmon: corsair-cpro 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...

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-2026-68233

In the Linux kernel, the following vulnerability has been resolved: drm/vc4: Shut down BO cache timer before teardown The BO cache timer callback schedules timework, and timework can rearm the timer through vc4bocachefreeold. vc4bocachedestroy deletes the timer and then cancels the work, which do...

UBUNTU-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...

UBUNTU-CVE-2026-68148

In the Linux kernel, the following vulnerability has been resolved: fscrypt: Add missing superblock check in findorinsertdirectkey The legacy 'fscryptdirectkeys' table caches master keys that are used by v1 encryption policies that have FSCRYPTPOLICYFLAGDIRECTKEY. It's just a global table for all...

CVE-2026-68302

In the Linux kernel, the following vulnerability has been resolved: amt: re-read skb header pointers after every pull Several AMT receive and transmit paths cache a pointer into the skb head iphdr, ipv6hdr, ethhdr or the AMT message header and then call a helper that can reallocate that head befo...

CVE-2026-68341

In the Linux kernel, the following vulnerability has been resolved: ovpn: fix use after free in unlockovpn unlockovpn iterates over the releaselist using llistforeachentry and drops the peer reference inside the loop body via ovpnpeerput. If this drops the last reference, the peer is eventually...

CVE-2026-68357

In the Linux kernel, the following vulnerability has been resolved: watchdog: pretimeout: Fix UAF in watchdogunregistergovernor When a watchdog governor is unregistered, it updates existing watchdog devices that were using this governor by falling back to defaultgov. If the governor being...

CVE-2026-68201

In the Linux kernel, the following vulnerability has been resolved: ALSA: timer: drain a slave's callback before its master detaches it sndtimercloselocked drains the closing instance's own in-flight callback IFLGCALLBACK before freeing it, but not its slaves'. When a master instance is closed,...

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-2026-68168

In the Linux kernel, the following vulnerability has been resolved: afs: Fix afseditdirremove to get, not find, block 0 Fix afseditdirremove to use afsdirgetblock to get block 0 rather than afsdirfindblock as the latter caches the found block in the afsdiriter and may switch out the page it's on ...

CVE-2026-68148

In the Linux kernel, the following vulnerability has been resolved: fscrypt: Add missing superblock check in findorinsertdirectkey The legacy 'fscryptdirectkeys' table caches master keys that are used by v1 encryption policies that have FSCRYPTPOLICYFLAGDIRECTKEY. It's just a global table for all...

CVE-2026-68200

In the Linux kernel, the following vulnerability has been resolved: ALSA: timer: don't re-enter an instance callback that is still running The userspace-driven timer utimer TRIGGER ioctl calls sndtimerinterrupt directly with no serialization, so two threads triggering the same utimer can run...

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...