UBUNTU-CVE-2026-45867

In the Linux kernel, the following vulnerability has been resolved: power: supply: act8945a: Fix use-after-free in powersupplychanged Using the devm variant for requesting IRQ before the devm variant for allocating/registering the powersupply handle, means that the powersupply handle will be...

UBUNTU-CVE-2026-45955

In the Linux kernel, the following vulnerability has been resolved: md/md-llbitmap: fix percpuref not resurrected on suspend timeout When llbitmapsuspendtimeout times out waiting for percpuref to become zero, it returns -ETIMEDOUT without resurrecting the percpuref. The caller mdllbitmapdaemonfn...

UBUNTU-CVE-2026-46103

In the Linux kernel, the following vulnerability has been resolved: can: ucan: fix devres lifetime USB drivers bind to USB interfaces and any device managed resources should have their lifetime tied to the interface rather than parent USB device. This avoids issues like memory leaks when drivers...

UBUNTU-CVE-2026-46003

In the Linux kernel, the following vulnerability has been resolved: net: qrtr: ns: Limit the total number of nodes Currently, the nameserver doesn't limit the number of nodes it handles. This can be an attack vector if a malicious client starts registering random nodes, leading to memory...

UBUNTU-CVE-2026-46006

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau: fix u32 overflow in pushbuf reloc bounds check nouveaugempushbufrelocapply validates each relocation with if r-relocbooffset + 4 nvbo-bo.base.size but relocbooffset is u32 uapi/drm/nouveaudrm.h and the integer litera...

UBUNTU-CVE-2026-46038

In the Linux kernel, the following vulnerability has been resolved: net: qrtr: ns: Free the node during ctrlcmdbye A node sends the BYE packet when it is about to go down. So the nameserver should advertise the removal of the node to all remote and local observers and free the node finally. But...

UBUNTU-CVE-2026-46039

In the Linux kernel, the following vulnerability has been resolved: rxgk: Fix potential integer overflow in length check Fix potential integer overflow in rxgkextracttoken when checking the length of the ticket. Rather than rounding up the value to be tested which might overflow, round down the...

UBUNTU-CVE-2026-45946

In the Linux kernel, the following vulnerability has been resolved: power: supply: ab8500: Fix use-after-free in powersupplychanged Using the devm variant for requesting IRQ before the devm variant for allocating/registering the powersupply handle, means that the powersupply handle will be...

UBUNTU-CVE-2026-45930

In the Linux kernel, the following vulnerability has been resolved: net: mctp: ensure our nlmsg responses are initialised Syed Faraz Abrar @farazsth98 from Zellic, and Pumpkin @u1f383 from DEVCORE Research Team working with Trend Micro Zero Day Initiative report that a RTMGETNEIGH will return...

UBUNTU-CVE-2026-46059

In the Linux kernel, the following vulnerability has been resolved: KVM: nSVM: Always use NextRIP as vmcb02's NextRIP after first L2 VMRUN For guests with NRIPS disabled, L1 does not provide NextRIP when running an L2 with an injected soft interrupt, instead it advances the current RIP before...

UBUNTU-CVE-2026-46013

In the Linux kernel, the following vulnerability has been resolved: mm/memfdluo: fix physical address conversion in putfolios cleanup In memfdluoretrievefolios's putfolios cleanup path: 1. khorestorefolio expects a physaddrt physical address but receives a raw PFN pfolio-pfn. This causes...

UBUNTU-CVE-2026-46016

In the Linux kernel, the following vulnerability has been resolved: remoteproc: xlnx: Only access buffer information if IPI is buffered In the receive callback check if message is NULL to prevent possibility of crash by NULL pointer dereferencing...

UBUNTU-CVE-2026-45873

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftsetrbtree: check for partial overlaps in anonymous sets Userspace provides an optimized representation in case intervals are adjacent, where the end element is omitted. The existing partial overlap detection logic...

UBUNTU-CVE-2026-45909

In the Linux kernel, the following vulnerability has been resolved: clk: mediatek: Drop initconst from gates Since commit 8ceff24a754a "clk: mediatek: clk-gate: Refactor mtkclkregistergate to use mtkgate struct" the mtkgate structs are no longer just used for initialization/registration, but also...

UBUNTU-CVE-2026-45897

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftcounter: serialize reset with spinlock Add a global static spinlock to serialize counter fetch+reset operations, preventing concurrent dump-and-reset from underrunning values. The lock is taken before fetching the...

UBUNTU-CVE-2026-46035

In the Linux kernel, the following vulnerability has been resolved: mm/pagealloc: return NULL early from allocfrozenpagesnolock in NMI on UP On UP kernels !CONFIGSMP, spintrylock is a no-op that unconditionally succeeds even when the lock is already held. As a result, allocfrozenpagesnolock calle...

UBUNTU-CVE-2026-45989

In the Linux kernel, the following vulnerability has been resolved: of: unittest: fix use-after-free in testdrvprobe The function testdrvprobe retrieves the devicenode from the PCI device, applies an overlay, and then immediately calls ofnodeputdn. This releases the reference held by the PCI core...

UBUNTU-CVE-2026-46074

In the Linux kernel, the following vulnerability has been resolved: spi: ch341: fix memory leaks on probe failures Make sure to deregister the controller, disable pins, and kill and free the RX URB on probe failures to mirror disconnect and avoid memory leaks and use-after-free. Also add an...

UBUNTU-CVE-2026-45978

In the Linux kernel, the following vulnerability has been resolved: staging: greybus: lights: avoid NULL deref gblightslightconfig stores channelcount before allocating the channels array. If kcalloc fails, gblightsrelease iterates the non-zero count and dereferences light-channels, which is NULL...

UBUNTU-CVE-2026-46022

In the Linux kernel, the following vulnerability has been resolved: misc: ibmasm: fix OOB MMIO read in ibmasmhandlemouseinterrupt ibmasmhandlemouseinterrupt performs an out-of-bounds MMIO read when the queue reader or writer index from hardware exceeds REMOTEQUEUESIZE 60. A compromised service...