UBUNTU-CVE-2026-54258

ZoneMinder is a free, open source closed-circuit television software application. Versions prior to 1.36.39, 1.38.4, and 1.39.11 allow an authenticated low-privileged user with coarse Events=View and/or Snapshots=View permissions to directly fetch media for events belonging to monitors they are n...

UBUNTU-CVE-2026-89766

In the Linux kernel, the following vulnerability has been resolved: pidfd: hold execupdatelock around namespace ioctl The PIDFDGETNAMESPACE ioctls in pidfdioctl perform a filesystem credentials ptrace access check before handing out a namespace file descriptor. The accompanying comment states tha...

UBUNTU-CVE-2026-89731

In the Linux kernel, the following vulnerability has been resolved: cxl/ras: Fix cxlrchgetaerinfo out-of-bounds AER register read cxlrchgetaerinfo copies the RCH Downstream Port AER capability from the RCRB MMIO block using a readl loop bounded by sizeofstruct aercapabilityregs. This struct is a...

UBUNTU-CVE-2026-89773

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Skip Update HDCP Config In Transition State Transition state does not have a valid dmstreamctx that should skip configuring HDCP routine. The routine is valid to go through only when a valid stream is created...

UBUNTU-CVE-2026-89758

In the Linux kernel, the following vulnerability has been resolved: mm/mempolicy: skip non-present PMDs when queueing folios Patch series "mm: handle device-private PMDs in walk callbacks", v3. Since commit 368076f52ebe "mm/hugememory: add device-private THP support to PMD operations" a PMD may...

UBUNTU-CVE-2026-89730

In the Linux kernel, the following vulnerability has been resolved: fpga: altera-cvp: Avoid out-of-bounds read in trailing byte write The trailing byte path in alteracvpsendblock dereferences a u32 pointer even when only 1-3 bytes remain in the input buffer. If the buffer ends at a page or...

UBUNTU-CVE-2026-89762

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix cred UAF caused by begincurrentlabelcritsection AppArmor's begincurrentlabelcritsection is a scary function called from lots of LSM hooks in particular VFS/socket-related ones that checks if the label referenced by...

UBUNTU-CVE-2026-89722

In the Linux kernel, the following vulnerability has been resolved: PCI/sysfs: Fix out-of-bounds read in pciwritelegacyio pciwritelegacyio loads 4 bytes from the kernfs write buffer regardless of how many bytes userspace wrote: if count != 1 && count != 2 && count != 4 return -EINVAL; return...

UBUNTU-CVE-2026-89769

In the Linux kernel, the following vulnerability has been resolved: clocksource/drivers/nxp-pit: Fix IRQ leak on cpuhpsetupstate error path When cpuhpsetupstate fails after pitclockeventpercpuinit has successfully called requestirq, the error handling jumps directly to outpitclocksourceunregister...

UBUNTU-CVE-2026-89733

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uvc: fix dangling pointers in uvcfunctionbind and uvcfunctionunbind In uvcfunctionbind error path, we use usbepfreerequest which uses uvc-controlreq but does not set it to NULL afterwards. Thus, uvc-controlreq is a...

UBUNTU-CVE-2026-89754

In the Linux kernel, the following vulnerability has been resolved: mm/pagewalk: fix stale walk-action escaping walkpmdrange If -pmdentry sets walk-action = ACTIONAGAIN, the pmdnone check is retried. The PMD entry may be cleared at the point of retry. In this case, if walk-ops-installpte is not...

UBUNTU-CVE-2026-89771

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Fix subbuf resize race with ring buffer readers tracebuffer subbufsize is read lockless in ringbufferreadpage and ringbufferreadstart, while it can simultaneously be resized with ringbuffersubbuforderset. Instead of...

UBUNTU-CVE-2026-89742

In the Linux kernel, the following vulnerability has been resolved: rapidio: mportcdev: fix use-after-free in dmareqfree dmareqfree acquires bufmutex through req-map, drops the mapping reference with krefput, and then dereferences req-map again to unlock the mutex. If krefput drops the last...

UBUNTU-CVE-2026-89732

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ffs: Prevent deadlock during ep0 read loop Currently, ffsep0read holds ffs-mutex when it prepares to go to sleep waiting for an event. When no setup events are pending, it calls waiteventinterruptibleexclusivelockedi...

UBUNTU-CVE-2026-89761

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix out-of-bounds write when null terminating a label vec aavecunique null terminates at vecn - dups when VECFLAGTERMINATE is passed. If the components are all distinct no duplicates are dropped, dups is 0 and the...

UBUNTU-CVE-2026-89737

In the Linux kernel, the following vulnerability has been resolved: usb: typec: thunderbolt: Disable work before freeing tbt on remove tbtaltmoderemove drops the plug and cable references without draining tbt-work. The work function dereferences those references, and can also requeue itself in it...

UBUNTU-CVE-2026-89721

In the Linux kernel, the following vulnerability has been resolved: phy: rockchip-samsung-dcphy: fix out-of-range maxregister The PHY register block is 64KB, so with a register stride of 4 the last accessible register sits at offset 0xfffc. maxregister names 0x10000, one register past the end of...

UBUNTU-CVE-2026-89747

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix use-after-free in tracepipe read on sub-buffer order change Writing to buffersubbufsizekb calls ringbuffersubbuforderset, which frees every sub-buffer of the ring buffer, including the reader page, and replaces them...

UBUNTU-CVE-2026-89739

In the Linux kernel, the following vulnerability has been resolved: usb: dwc3: gadget: Fix use-after-free in dwc3gadgetfreeendpoints due to race condition In dwc3gadgetinitendpoint, &dep-nostreamwork is bound with dwc3nostreamwork, and dwc3gadgetendpointstreamevent can queue this delayed work on...

UBUNTU-CVE-2026-89745

In the Linux kernel, the following vulnerability has been resolved: debugfs: Fix lockdown check for mmapprepare Commit 651fdda8406d "relay: update relay to use mmapprepare" changed the mmap file operation to mmapprepare for relayfs, but the lockdown check in debugfs was not updated accordingly...

UBUNTU-CVE-2026-89764

In the Linux kernel, the following vulnerability has been resolved: rust: devres: fix race between concurrent revokers There is a potential race condition when two paths try to revoke a Devres concurrently. The driver core's devresreleaseall calls Revocable::revoke via the release callback, while...

UBUNTU-CVE-2026-89759

In the Linux kernel, the following vulnerability has been resolved: mm/kmemleak: avoid soft lockup when scanning task stacks Patch series "mm/kmemleak: avoid soft lockup when scanning task", v3. kmemleakscan scans every task stack under one rcureadlock with no reschedule point, which can trip the...

UBUNTU-CVE-2026-89740

In the Linux kernel, the following vulnerability has been resolved: serial: imx: serialize imxuartports lifetime imxuartprobe publishes its devm-allocated port in imxuartports before uartaddoneport because console setup uses the table. The entry is not cleared when adding the port fails or after...

UBUNTU-CVE-2026-89770

In the Linux kernel, the following vulnerability has been resolved: iomap: don't free integrity payload that doesn't exist fsbiointegrityalloc might not allocate a bio integrity payload if PI verification is disabled on the block device. Check for that case before calling fsbiointegrityfree in...

UBUNTU-CVE-2026-89751

In the Linux kernel, the following vulnerability has been resolved: x86/tdx: Fix off-by-one in port I/O handling handlein and handleout in arch/x86/coco/tdx/tdx.c use: u64 mask = GENMASKBITSPERBYTE size, 0; GENMASKh, l includes bit h. For size=1 INB, this produces GENMASK8, 0 = 0x1FF 9 bits inste...

UBUNTU-CVE-2026-89753

In the Linux kernel, the following vulnerability has been resolved: mm/vmscan: report RCU-tasks quiescent states in shrinklruvec I am seeing some rcutasks stalls in the Meta fleet during reclaim. INFO: rcutasks detected stalls on tasks: 0000000088620d09: .. nvcsw: 6735/6735 holdout: 1 idlecpu: -1...

UBUNTU-CVE-2026-89746

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix use-after-free with same-name named triggers When two hist triggers on different events are registered with the same name=, the second one reuses the first as nameddata. Both are added to tr-histvars by savehistvars...

UBUNTU-CVE-2026-89723

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix slab-out-of-bounds in nilfsdirectpropagate after truncation Shuangpeng Bai reported that KASAN detected a slab-out-of-bounds error in nilfsdirectpropagate during testing. Analysis revealed that after truncating a file...

UBUNTU-CVE-2026-89726

In the Linux kernel, the following vulnerability has been resolved: lib/ucs2string.c: fix out-of-bounds read in ucs2strnlen Patch series "lib/ucs2string.c: fix out-of-bounds read in ucs2strnlen", v2. This series fixes an off-by-one out-of-bounds read in ucs2strnlen. The first patch is the real fi...

UBUNTU-CVE-2026-89744

In the Linux kernel, the following vulnerability has been resolved: device property: fix infinite loop in fwnodeforeachchildnode When iterate over children of a fwnode that has a secondary fwnode, fwnodegetnextchildnode can enter an infinite loop if the secondary fwnode has more than one child...

UBUNTU-CVE-2026-89772

In the Linux kernel, the following vulnerability has been resolved: btrfs: write-protect folios during data writeback commit 095be159f3eb "btrfs: unify folio dirty flag clearing" replaced the foliocleardirtyforio call in extentwritecachepages with a plain foliotestdirty check. Besides clearing th...

UBUNTU-CVE-2026-89748

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix retry exhaustion in simple ring buffer reader swap simpleringbufferswapreaderpage starts with retry set to 8 and post-decrements it only after a failed link replacement. On the final attempt, a successful replacement...

UBUNTU-CVE-2026-89728

In the Linux kernel, the following vulnerability has been resolved: i3c: renesas: Fix out-of-bounds access for newdevs mask When software initiates DAA Dynamic Address Assignment, the controller reports the result via the NRSPQP Normal Response Queue Port Register. The data length field of the...

UBUNTU-CVE-2026-89760

In the Linux kernel, the following vulnerability has been resolved: mm, swap: don't free a hibernation slot that is in the swap cache A slot with a folio in the swap cache is freed when the folio leaves the cache, not when its count drops. swapputentriescluster follows that rule...

UBUNTU-CVE-2026-89767

In the Linux kernel, the following vulnerability has been resolved: ovl: fix double endcreating on the casefold-mismatch path ovlcreatereal releases the new dentry twice when the casefold consistency check fails. The SIFDIR branch calls endcreating and sets err, then falls through to the common...

UBUNTU-CVE-2026-89735

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: midi2: remove default configfs groups on teardown fmidi2allocinst creates default configfs child groups for the default endpoint and default block using configfsadddefaultgroup, setting their internal refcount to 1...

UBUNTU-CVE-2026-89763

In the Linux kernel, the following vulnerability has been resolved: KEYS: trusted: Fix TPM teardown ordering trustedtpmexit drops the TPM chip reference and frees the digest array before unregistering the trusted key type. keytypelookup holds keytypessem for reading until the key operation...

UBUNTU-CVE-2026-89734

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uvc: Fix null pointer dereference in uvcgvideoinit In uvcgvideoinit, if kthreadrunworker fails, the error logged uses uvcgerr, however, the pointer it uses: video-uvc is not assigned at this point, triggering a null...

UBUNTU-CVE-2026-89736

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uaudio: Fix use-after-free on sound card disconnect gaudiocleanup invokes sndcardfreewhenclosed to initiate sound card teardown and immediately frees the underlying struct snduacchip context. However,...

UBUNTU-CVE-2026-89765

In the Linux kernel, the following vulnerability has been resolved: timers/itimer: Zero-init old itimerval before copy to userspace On native sparc64, struct kerneloldtimeval contains a four-byte hole after tvusec because tvsec is 64-bit while kernelsusecondst is 32-bit. putitimerval fills only t...

UBUNTU-CVE-2026-89752

In the Linux kernel, the following vulnerability has been resolved: mm: memcg: stop reclaim when a limit update is superseded kernfs serializes file operations only per open file, so separate open files can update the same memory.high or memory.max file concurrently. Both handlers store the new...

UBUNTU-CVE-2026-89720

In the Linux kernel, the following vulnerability has been resolved: ubifs: fix out-of-bounds read in signature length check ubifssbverifysignature bounds the on-disk ubifssignode-len field before handing the signature payload to verifypkcs7signature, but the check has the wrong sign: if...

UBUNTU-CVE-2026-89756

In the Linux kernel, the following vulnerability has been resolved: mm/migrate: report RCU-tasks quiescent states in migratepagesbatch migratepagesbatch unmaps each folio before moving it, and every unmap runs the mmunotifier invalidate callbacks. On KVM hosts trytomigrate ends up in...

UBUNTU-CVE-2026-89724

In the Linux kernel, the following vulnerability has been resolved: media: vicodec: fix out-of-bounds write in FWHT encoder vidiocsfmtvidout sizes the encoder CAPTURE buffer from the compressed descriptor pixfmtfwht, whose sizeimagemult is 3: codedw codedh 3 + sizeofstruct fwhtcframehdr...

UBUNTU-CVE-2026-89741

In the Linux kernel, the following vulnerability has been resolved: Revert "media: v4l2-dev: fix error handling in videoregisterdevice" This reverts commit 2a934fdb01db6458288fc9386d3d8ceba6dd551a. The intentions of that patch were good, but it doesn't work. The idea is that if deviceregister...

UBUNTU-CVE-2026-89725

In the Linux kernel, the following vulnerability has been resolved: media: cec: stm32: prevent out-of-bounds write on RX overflow stm32rxdone appends each received CEC byte to rxmsg.msg using rxmsg.len as the write index, incrementing it on every RXBR receive-byte-ready interrupt without checking...

UBUNTU-CVE-2026-89729

In the Linux kernel, the following vulnerability has been resolved: HID: sensor-hub: Fix out-of-bounds write in sensorhubgetfeature sensorhubgetfeature clamps its return value to the caller's buffer size, but the copy loop still copies field-reportsize / 8 bytes for each report value. A malicious...

UBUNTU-CVE-2026-89750

In the Linux kernel, the following vulnerability has been resolved: tracing/userevents: Clear copied tracing state before fork duplication duptaskstruct copies usereventmm from the parent into the child, without grabbing a reference to it. usereventmmdup should replace it, but it leaves that copi...

UBUNTU-CVE-2026-89743

In the Linux kernel, the following vulnerability has been resolved: misc: nsm: bound the device-reported response length nsmsendrecvmsglocked stores the virtqueue used-ring length reported by the NSM device into msg-resp.len without bounding it to the response buffer. A malicious or buggy backend...

UBUNTU-CVE-2026-89719

In the Linux kernel, the following vulnerability has been resolved: zram: fix out-of-bounds access in readblockstate readblockstate calculates nrpages before taking devlock. If the device is reset and reinitialized with a smaller disksize before lock acquisition, nrpages still describes the old...