UBUNTU-CVE-2026-68261

In the Linux kernel, the following vulnerability has been resolved: drm/imagination: fix error checking of pvrvmcontextlookup Since pvrvmcontextlookup returns either NULL or a pointer, then stop using ISERR for checking the return value. Using ISERR leads to the kernel oops reported below. It can...

UBUNTU-CVE-2026-68268

In the Linux kernel, the following vulnerability has been resolved: drm/xe: Return error on non-migratable faults requiring devmem Non-migratable faults that require devmem incorrectly jump to the 'out' label, which squashes the error code intended to be returned to the upper layers. Fix this by...

UBUNTU-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:...

UBUNTU-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...

UBUNTU-CVE-2026-68364

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix ISM dclock deadlock during suspend Why System hang observed during suspend/resume while video is playing. amdgpudmismdisable is called under dclock and waits for ISM delayed work via disabledelayedworksync. T...

UBUNTU-CVE-2026-68218

In the Linux kernel, the following vulnerability has been resolved: media: pci: dm1105: Free allocated workqueue Destroy allocated workqueue in remove callback to free its resources, thus fixing memory leak...

UBUNTU-CVE-2026-68305

In the Linux kernel, the following vulnerability has been resolved: drm/xe/vf: Add drmdev guards when detaching CCS read/write buffers CCS read/write buffers are freed during BO destruction. In some cases, BOs may be destroyed after the device is unbound but while the DRM structure remains valid,...

UBUNTU-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...

UBUNTU-CVE-2026-68383

In the Linux kernel, the following vulnerability has been resolved: drm/xe/guc: Keep scheduler timeline name alive The scheduler keeps a pointer to the timeline name, but q-name is freed with the exec queue while scheduler fences can still reference it. Store the name in struct xegucexecqueue so ...

UBUNTU-CVE-2026-68391

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: mgmt: hold reference for hciconn in mgmtpendingcmds Dereferencing RCU-protected pointers outside critical sections is invalid and may lead to UAF. Use of hciconn in hcisync callbacks also needs to hold refcount to avoi...

UBUNTU-CVE-2026-68292

In the Linux kernel, the following vulnerability has been resolved: ice: prevent tstamp ring allocation for non-PF VSI types The pf-txtimetxqs bitmap tracks which Tx queues have ETF Earliest TxTime First offload enabled. This bitmap is indexed by queue number and is set by iceoffloadtxtime, which...

UBUNTU-CVE-2026-68347

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Fix IRQ unsafe locking in gdom allocation Lockdep complains: 259.410489 ===================================================== 259.417287 WARNING: HARDIRQ-safe - HARDIRQ-unsafe lock order detected 259.424667...

UBUNTU-CVE-2026-68176

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix mmiotrace possible NULL dereferencing of hiter-dev If the mmiopipeopen fails to find a PCI device, the hiter-dev will be assigned to NULL. The mmiotrace read function dereferences the hiter-dev if hiter exists. Chang...

UBUNTU-CVE-2026-68376

In the Linux kernel, the following vulnerability has been resolved: sctp: fix authhmacs array size in struct sctpcookie The authhmacs array in struct sctpcookie is supposed to store a complete SCTPAUTHHMACALGO parameter, which consists of a struct sctpparamhdr followed by N HMAC identifiers...

UBUNTU-CVE-2026-68287

In the Linux kernel, the following vulnerability has been resolved: dropmonitor: fix size calculations for 64-bit attributes netdmpacketreportfill and netdmhwpacketreportfill use nlaputu6464bit to append 64-bit attributes NETDMATTRPC and NETDMATTRTIMESTAMP. On 32-bit architectures without...

UBUNTU-CVE-2026-68202

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: close a re-opened queue timer in the destructor queuedelete closes the queue timer, then frees it. sndseqtimerclose clears q-timer-timeri. snduselocksync then drains borrowers, and sndseqtimerdelete frees q-timer. A...

UBUNTU-CVE-2026-68340

In the Linux kernel, the following vulnerability has been resolved: hwmon: occ: validate poll response sensor blocks The OCC poll response parser walks a counted list of sensor data blocks. It used the static backing-array capacity as the parse boundary, but a transport response makes only...

UBUNTU-CVE-2026-68184

In the Linux kernel, the following vulnerability has been resolved: cdrom: fix stack out-of-bounds read in CDROMVOLCTRL mmcioctlcdromvolume first reads the audio control mode page into a 32-byte stack buffer with cgc-buflen set to 24. If the device reports a block descriptor, the function increas...

UBUNTU-CVE-2026-68213

In the Linux kernel, the following vulnerability has been resolved: media: rtl2832sdr: 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...

UBUNTU-CVE-2026-68274

In the Linux kernel, the following vulnerability has been resolved: drm/xe/guc: Fix buffer overflow in steered register list allocation The size calculation for the steered register extarray uses only the geometry DSS mask gdssmask to determine the number of entries to allocate: total =...