UBUNTU-CVE-2026-80633

In the Linux kernel, the following vulnerability has been resolved: iommufd: Take dmaresv lock before dmabufunpin in release path dmabufunpin requires the caller to hold the exporter's dmaresv lock: void dmabufunpinstruct dmabufattachment attach ... dmaresvasserthelddmabuf-resv;...

UBUNTU-CVE-2026-80701

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: enforce cursor size limits for MOB cursors vmwcursorplaneatomiccheck bounds cursor width and height only on the legacy update path; the SVGACAP2CURSORMOB path -- the default on modern hosts -- accepts any size. When t...

UBUNTU-CVE-2026-80678

In the Linux kernel, the following vulnerability has been resolved: i2c: imx: Fix slave registration race and error handling In i2cimxregslave, the slave pointer was assigned before pmruntimeresumeandget. If pmruntimeresumeandget failed, the error path returned without clearing i2cimx-slave,...

UBUNTU-CVE-2026-80662

In the Linux kernel, the following vulnerability has been resolved: cxl: Fix CXLHEADERLOGSIZE to match RAS Capability size The CXL r4.0 8.2.4.17.7 RAS Capability Structure has total length 0x58 bytes CXLRASCAPABILITYLENGTH; the Header Log occupies the trailing 64 bytes at offset 0x18...

UBUNTU-CVE-2026-80708

In the Linux kernel, the following vulnerability has been resolved: s390/zcrypt: Fix missing mem scrub at clear key import in ccaclr2cipherkey The helper function ipcprbhelper uses internal buffer memory for building and processing CPRBs. After use this buffer was never scrubbed which could lead ...

UBUNTU-CVE-2026-80597

In the Linux kernel, the following vulnerability has been resolved: mtd: maps: vmu-flash: fix NULL pointer dereference in initialization The mtdinfo contains a struct device, which must be linked to its parent. Without this, the initialization of the MTD fails with a NULL pointer dereference...

UBUNTU-CVE-2026-80598

In the Linux kernel, the following vulnerability has been resolved: ntfs3: fix out-of-bounds read in decompresslznt decompresslznt does not validate array index bounds before accessing the decompression table. A corrupted NTFS3 image with invalid compressed data can trigger an out-of-bounds read...

UBUNTU-CVE-2026-80644

In the Linux kernel, the following vulnerability has been resolved: ocfs2: don't BUGON an invalid journal dinode BUG A fuzzed OCFS2 image can corrupt the current slot journal dinode while mount is still in progress. The mount path first reports the invalid journal block and then crashes in...

UBUNTU-CVE-2026-80645

In the Linux kernel, the following vulnerability has been resolved: rapidio/tsi721: prevent a bad dereference in tsi721dbdpc With a listforeach loop, if we don't find the item we are looking for in the list, then the loop exits with the iterator, which is "dbell" in this loop, pointing to invalid...

UBUNTU-CVE-2026-80664

In the Linux kernel, the following vulnerability has been resolved: netfilter: xtnat: reject unsupported target families xtnat SNAT and DNAT target handlers assume IP-family conntrack state is present and can dereference a NULL pointer when instantiated from an unsupported family through nftcompa...

UBUNTU-CVE-2026-80650

In the Linux kernel, the following vulnerability has been resolved: media: atomisp: gc2235: fix UAF and memory leak gc2235probe handles its error paths incorrectly. If mediaentitypadsinit fails, gc2235remove is called, which tears down the subdev and frees dev, but then still falls through to...

UBUNTU-CVE-2026-80616

In the Linux kernel, the following vulnerability has been resolved: ieee802154: Avoid calling WARNON on -ENOMEM in cfg802154switchnetns It's pointless to call WARNON in case of an allocation failure in devchangenetnamespace and devicerename, since it only leads to useless splats caused by...

UBUNTU-CVE-2026-80722

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: validate individual TWT params before driver setup ieee80211processrxtwtaction only partially validates a received S1G TWT setup frame before queueing it. An individual agreement can therefore reach...

UBUNTU-CVE-2026-80667

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: LAG, MPESW, Fix missing complete on devcom error mlx5mpeswwork returned without calling complete when mlx5laggetdevcomcomp returned NULL. A caller that queued the work and waited on mpesww-comp would block indefinitely...

UBUNTU-CVE-2026-80609

In the Linux kernel, the following vulnerability has been resolved: qede: fix out-of-bounds check for cqe-lenlist Move index check before element access...

UBUNTU-CVE-2026-80613

In the Linux kernel, the following vulnerability has been resolved: veth: fix NAPI leak in XDP enable error path During XDP enablement in veth, if xdprxqinforeg or xdprxqinforegmemmodel fails, the driver rolls back the changes. However, the rollback loop: for i--; i = start; i-- decrements the lo...

UBUNTU-CVE-2026-80611

In the Linux kernel, the following vulnerability has been resolved: ACPI: processoridle: Mark LPI enter functions as cpuidle When function tracing or Kprobes is enabled, entering an ACPI Low Power Idle LPI state triggers the following RCU splat: RCU not on for: acpiidlelpienter+0x4/0xd8 WARNING:...

UBUNTU-CVE-2026-80627

In the Linux kernel, the following vulnerability has been resolved: MIPS: mm: Fix out-of-bounds write in maarreswalk maarreswalk uses wi-numcfg as the index into the fixed-size wi-cfg array, but checks whether the array is full only after it has filled the selected entry. If walksystemramrange...

UBUNTU-CVE-2026-80603

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntrackirc: fix parsedcc off-by-one OOB read parsedcc treats dataend as an inclusive end pointer, but its only caller passes datalimit = ibptr + datalen, which points one past the last valid byte. The newline searc...

UBUNTU-CVE-2026-80630

In the Linux kernel, the following vulnerability has been resolved: net/sched: schfqcodel: Do not call qdisctreereducebacklog during peek before restoring qlen Whenever fqcodel drops packets during peek, it calls qdisctreereducebacklog. An issue arises because it calls qdisctreereducebacklog befo...

UBUNTU-CVE-2026-80618

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Avoid double-unpin of DOORBELL/MMIO BOs on free amdgpuamdkfdgpuvmfreememoryofgpu unpinned DOORBELL and MMIO remap BOs which are pinned at allocation time before checking whether the BO is still mapped to the GPU. When...

UBUNTU-CVE-2026-80693

In the Linux kernel, the following vulnerability has been resolved: idpf: bound interrupt-vector register fill to the allocated array idpfgetregintrvecs fills the caller-allocated regvals array from the VIRTCHNL2OPALLOCVECTORS reply in adapter-reqvecchunks, bounding its inner loop only by the...

UBUNTU-CVE-2026-80624

In the Linux kernel, the following vulnerability has been resolved: mfd: cs42l43: Sanity check firmware size Currently the code checks if a firmware was received, however it does not verify that the firmware size is larger than the firmware header. As the firmware pointer is dereferenced as a...

UBUNTU-CVE-2026-80677

In the Linux kernel, the following vulnerability has been resolved: driver core: use READONCE for dev-driver in devhassyncstate devhassyncstate reads dev-driver twice without holding devicelock -- once for the NULL check and once to dereference -syncstate. Some callers only hold...

UBUNTU-CVE-2026-80666

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: sco: Fix a race condition in scosocktimeout scosocktimeout runs asynchronously and locksocksk. If the socket is closing while the timer is running, it holds the same lock locksocksk twice, leading to a deadlock. CPU 0...

UBUNTU-CVE-2026-80608

In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Fix iommu domain lifetime race during device removal When forceiova mode is enabled, amdxdnaremove frees xdna-domain. If amdxdnagemobjfree is called after device removal, it may attempt to access xdna-domain,...

UBUNTU-CVE-2026-80651

In the Linux kernel, the following vulnerability has been resolved: crypto: ccp/sev-dev-tsm - bail out early when pdev-bus is NULL dsmcreate initially checks pdev-bus when computing segmentid: u8 segmentid = pdev-bus ? pcidomainnrpdev-bus : 0; But the next two lines unconditionally dereference...

UBUNTU-CVE-2026-80710

In the Linux kernel, the following vulnerability has been resolved: s390/dasd: Fix undersized format-check buffer fmtbuffersize in dasdeckdcheckdeviceformat is declared as int, even though one of the multiplicands, sizeofstruct eckdcount, is a sizet. The expression trkcount rptmax sizeofstruct...

UBUNTU-CVE-2026-80628

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: oss: Serialize readq reset state with q-lock sndseqossreadqclear resets qlen, head, and tail without q-lock even though the normal reader and producer paths serialize the same ring state under that spinlock. A reset ca...

UBUNTU-CVE-2026-80663

In the Linux kernel, the following vulnerability has been resolved: tools/power/x86/intel-speed-select: Harden daemon pidfile open Avoid symlink-based pidfile clobbering by opening the pidfile with ONOFOLLOW and validating it with fstat before locking/writing. The daemon currently uses a fixed...

UBUNTU-CVE-2026-80593

In the Linux kernel, the following vulnerability has been resolved: hwmon: asusatk0110 Check package count before accessing element atkecpresent walks the management group package returned by the GGRP ACPI method and, for each sub-package, reads its first element: id = &obj-package.elements0; if...

UBUNTU-CVE-2026-80704

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: use proper context for logging The same as the rest of the code, getssinfofromatombios uses calcpllcs-ctx-logger for logging. But calcpllcs-ctx is initialized only later in calcpllmaxvcoconstruct. Therefore, any...

UBUNTU-CVE-2026-80705

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: check if dml21addphantomplane is successful Verify that the phantom plane was allocated to avoid a later segfault. cherry picked from commit 5adb54abe5a8e82cbff7f8806db30a5f4924329f...

UBUNTU-CVE-2026-80696

In the Linux kernel, the following vulnerability has been resolved: hwmon: ltc4282 Fix reading the minimum alarm voltage Coverity reports an out-of-bounds access when reading the minimum alarm voltage for the VGPIO channel. Add the missing return statement to fix the problem...

UBUNTU-CVE-2026-80655

In the Linux kernel, the following vulnerability has been resolved: soc: xilinx: Fix race condition in event registration The zynqmppower driver registers handlers for suspend and subsystem restart events using registerevent. However, the work structures zynqmppminitsuspendwork and...

UBUNTU-CVE-2026-80592

In the Linux kernel, the following vulnerability has been resolved: samples/damon/mtier: fail early if address range parameters are invalid The comment on top of struct damonregion clearly says that For any use case, @ar should be non-zero positive size. which is now verified in...

UBUNTU-CVE-2026-80668

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntrackexpect: use conntrack GC to reap expectations This patch replaces the timer API by GC worker approach for expectations, as it already happened in many other subsystems. Use the existing conntrack GC worker t...

UBUNTU-CVE-2026-80675

In the Linux kernel, the following vulnerability has been resolved: libbpf: Reject non-exclusive metadata maps in the signed loader The loader verifies map-sha against the metadata hash in its instructions. map-sha is calculated when BPFOBJGETINFOBYFD is called on the frozen map. While the map is...

UBUNTU-CVE-2026-80637

In the Linux kernel, the following vulnerability has been resolved: netfilter: synproxy: fix unaligned memory access in timestamp adjustment Use getunalignedbe32 and putunalignedbe32 to safely read and write the timestamp fields. This prevents performance degradation due to unaligned memory acces...

UBUNTU-CVE-2026-80605

In the Linux kernel, the following vulnerability has been resolved: HID: picolcd: prevent NULL pointer dereference in picolcdsendandwait In picolcdsendandwait, an integer overflow of the signed loop counter 'k' can theoretically lead to a NULL pointer dereference of 'rawdata'. If the loop execute...

UBUNTU-CVE-2026-80631

In the Linux kernel, the following vulnerability has been resolved: btrfs: lzo: reject compressed segment that overflows the compressed input lzodecompressbio validates each on-disk segment length seglen only against the workspace cbuf size, not against the compressed input size compressedlen, th...

UBUNTU-CVE-2026-80681

In the Linux kernel, the following vulnerability has been resolved: vxlan: re-fetch eth header after routeshortcircuit Before routeshortcircuit, the eth header pointer is cached from ethhdrskb. Inside routeshortcircuit, pskbmaypull can be called, which may reallocate skb-head. In this case,...

UBUNTU-CVE-2026-80721

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: ensure no dangling hcon references in isoconn After isoconndel, ISO sockets should not dereference the hcon any more. Currently, clearing isoconn::hcon relies on isoconndel releasing the last reference to the...

UBUNTU-CVE-2026-80724

In the Linux kernel, the following vulnerability has been resolved: ptp: vmclock: prevent read-only mappings from becoming writable vmclockmiscdevmmap rejects writable mappings of the shared vmclock ABI page with -EROFS, but leaves VMMAYWRITE set. Userspace can map the page read-only and then...

UBUNTU-CVE-2026-80600

In the Linux kernel, the following vulnerability has been resolved: batman-adv: dat: acquire ARP hw source only after skb realloc The pskbmaypull called by batadvgetvid could reallocate the buffer behind the skb. Variables which were pointing to the old buffer need to be reassigned to avoid an...

UBUNTU-CVE-2026-80622

In the Linux kernel, the following vulnerability has been resolved: char: tlclk: fix use-after-free in tlclkcleanup This patch improves the module cleanup process in the tlclk driver to prevent potential use-after-free and race conditions. Currently, the fileoperations structure does not specify...

UBUNTU-CVE-2026-80649

In the Linux kernel, the following vulnerability has been resolved: firmware: armscmi: Fix OOB in scmipowernameget scmipowernameget does not validate the domain number passed by the external caller, which may lead to an out-of-bounds access. Fix this by returning "unknown" for invalid domains, li...

UBUNTU-CVE-2026-80676

In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: use generic driveroverride infrastructure When a driver is probed through driverattach, the bus' match callback is called without the device lock held, thus accessing the driveroverride field without a lock,...

UBUNTU-CVE-2026-80686

In the Linux kernel, the following vulnerability has been resolved: mm: migratedevice: fix ptepfn/ptedirty called on non-present PTE ptepfn and ptedirty have undefined behaviour when called on a non-present PTE. In migratevmacollectpmd, these functions may be invoked on non-present entries e.g.,...

UBUNTU-CVE-2026-80679

In the Linux kernel, the following vulnerability has been resolved: s390/dasd: Fix potential NULL pointer dereference dasdreleasespace checks the implementation of the isese discipline function before calling it to determine if a given device is an ESE DASD. The current usage of the logical AND...