UBUNTU-CVE-2026-46047

In the Linux kernel, the following vulnerability has been resolved: net: qrtr: ns: Fix use-after-free in driver remove In the remove callback, if a packet arrives after destroyworkqueue is called, but before sockrelease, the qrtrnsdataready callback will try to queue the work, causing...

UBUNTU-CVE-2026-46073

In the Linux kernel, the following vulnerability has been resolved: hwmon: powerz Fix missing usbkillurb on signal interrupt waitforcompletioninterruptibletimeout returns -ERESTARTSYS when interrupted. This needs to abort the URB and return an error. No data has been received from the device so a...

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-2026-45997

In the Linux kernel, the following vulnerability has been resolved: scsi: sd: fix missing putdisk when deviceadd&diskdev fails If deviceadd&sdkp-diskdev fails, putdevice runs scsidiskrelease, which frees the scsidisk but leaves the gendisk referenced. The deviceadddisk error path in sdprobe calls...

UBUNTU-CVE-2026-46078

In the Linux kernel, the following vulnerability has been resolved: erofs: fix the out-of-bounds nameoff handling for trailing dirents Currently we already have boundary-checks for nameoffs, but the trailing dirents are special since the namelens are calculated with strnlen with unchecked nameoff...

UBUNTU-CVE-2026-46041

In the Linux kernel, the following vulnerability has been resolved: greybus: gb-beagleplay: fix sleep in atomic context in hdlctxframes hdlcappend calls usleeprange to wait for circular buffer space, but it is called with txproducerlock a spinlock held via hdlctxframes -...

UBUNTU-CVE-2026-46010

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix error handling in rxgkextracttoken Fix a missing bit of error handling in rxgkextracttoken: in the event that rxgkdecryptskb returns -ENOMEM, it should just return that rather than continuing on for anything else, it...

UBUNTU-CVE-2026-45931

In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Hold mm structure across iommusvaunbinddevice Some tests trigger a crash in iommusvaunbinddevice due to accessing iommumm after the associated mm structure has been freed. Fix this by taking an explicit reference t...

UBUNTU-CVE-2026-45972

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF and double free in smb2openfile Zero out @erriov and @errbuftype before retrying SMB2open to prevent an UAF bug if @data != NULL, otherwise a double free...

UBUNTU-CVE-2026-45995

In the Linux kernel, the following vulnerability has been resolved: iouring/zcrx: fix userstruct uaf iofreerbufring usees a struct userstruct, which iozcrxifqfree puts it down before destroying the ring...

UBUNTU-CVE-2026-46076

In the Linux kernel, the following vulnerability has been resolved: KVM: nSVM: Raise UD if unhandled VMMCALL isn't intercepted by L1 Explicitly synthesize a UD for VMMCALL if L2 is active, L1 does NOT want to intercept VMMCALL, nestedsvml2tlbflushenabled is true, and the hypercall is something...

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-2026-45980

In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Stop job scheduling across aie2releaseresource Running jobs on a hardware context while it is in the process of releasing resources can lead to use-after-free and crashes. Fix this by stopping job scheduling before...

UBUNTU-CVE-2026-45971

In the Linux kernel, the following vulnerability has been resolved: bpf: Limit bpf program signature size Practical BPF signatures are significantly smaller than KMALLOCMAXCACHESIZE Allowing larger sizes opens the door for abuse by passing excessive size values and forcing the kernel into expensi...

UBUNTU-CVE-2026-45981

In the Linux kernel, the following vulnerability has been resolved: s390/cio: Fix device lifecycle handling in cssallocsubchannel cssallocsubchannel calls deviceinitialize before setting up the DMA masks. If dmasetcoherentmask or dmasetmask fails, the error path frees the subchannel structure...

CVE-2026-45871

In the Linux kernel, the following vulnerability has been resolved: tpm: st33zp24: Fix missing cleanup on getburstcount error getburstcount can return -EBUSY on timeout. When this happens, st33zp24send returns directly without releasing the locality acquired earlier. Use goto outerr to ensure...

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-2026-46070

In the Linux kernel, the following vulnerability has been resolved: md/raid5: validate payload size before accessing journal metadata r5crecoveryanalyzemetablock and r5lrecoveryverifydatachecksumformb iterate over payloads in a journal metadata block using on-disk payload size fields without...

UBUNTU-CVE-2026-46011

In the Linux kernel, the following vulnerability has been resolved: media: mtk-jpeg: fix use-after-free in release path due to uncancelled work The mtkjpegrelease function frees the context structure ctx without first cancelling any pending or running work in ctx-jpegwork. This creates a race...

UBUNTU-CVE-2026-45985

In the Linux kernel, the following vulnerability has been resolved: ext4: don't set EXT4GETBLOCKSCONVERT when splitting before submitting I/O When allocating blocks during within-EOF DIO and writeback with dioreadnolock enabled, EXT4GETBLOCKSPREIO was set to split an existing large unwritten...