UBUNTU-CVE-2026-90008

In the Linux kernel, the following vulnerability has been resolved: scsi: megaraidsas: Limit NVMe request size to the PRP chain frame megasasmakeprpnvme builds a command's PRP list in cmd-sgframe, a DMA pool buffer of instance-maxchainframesz bytes, spending one entry per NVMe page of the transfe...

CVE-2026-89995

In the Linux kernel, the following vulnerability has been resolved: dma-direct: return struct page from dmadirectallocfrompool Commit 5b138c534fda "dma-direct: factor out a dmadirectallocfrompool helper" changed dmadirectallocfrompool to return the CPU address from dmaallocfrompool. That fits...

UBUNTU-CVE-2026-90025

In the Linux kernel, the following vulnerability has been resolved: usb: typec: ucsi: displayport: Fix OOB altmode array index The UCSI displayport driver indexes the connector's port altmode array with the GETCURRENTCAM response after checking it is not 0xff. The port altmode array is...

UBUNTU-CVE-2026-90006

In the Linux kernel, the following vulnerability has been resolved: samples/damon/mtier: handle damonstop failure damonsamplemtierstop assumes its damonstop call will always successfully stops the two DAMON contexts. Hence it deallocates the two DAMON contexts after the damonstop call. However, i...

CVE-2026-90044

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ffs: Fix Use-After-Free in AIO error path In ffsepfilewriteiter and ffsepfilereaditer, when ffsepfileio fails with an error other than -EIOCBQUEUED, the iodata structure p is freed. However, for AIO operations, the...

UBUNTU-CVE-2026-89949

In the Linux kernel, the following vulnerability has been resolved: batman-adv: dat: avoid unaligned fault in IP extraction Independent of the alignment of the ARP packet in the SKB, either the batadvarpipsrc or the batadvarpipdst will have an unaligned access on HW without native unaligned read...

UBUNTU-CVE-2026-90001

In the Linux kernel, the following vulnerability has been resolved: HID: bpf: serialize device reference release in structops destroy path hidbpfopsdestroydevice and hidbpfunreg can race on the same registration reference, double-putting struct hiddevice and freeing it while hiddestroydevice stil...

UBUNTU-CVE-2026-89921

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Zero initialize data structures for injectpfaulttoken kvminjectpfaulttoken only sets .type and .u.ext.extparams2 of the on-stack struct kvms390irq but the full ext substructure is copied into the cpu local variable on...

CVE-2026-89920

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Fix memory corruption by not reinjecting CK machine checks Channel-subsystem damage machine checks are for the host channel subsystem. The guest channel subsystem is emulated in the userspace VMM. There is no point in...

UBUNTU-CVE-2026-89959

In the Linux kernel, the following vulnerability has been resolved: s390/vfio-ap: Fix control domain removal in vfioapmdevcfgremove The vfioapconfigremove function uses the bitmapandnot function to clear bits from the matrixmdev-matrix.adm bitmap specifies the control domains assigned to the mdev...

UBUNTU-CVE-2026-89954

In the Linux kernel, the following vulnerability has been resolved: mtd: afs: validate v2 image info bounds The AFS v2 parser uses footer8 to locate the image information block inside the current erase block, then uses the image information regioncount to walk entries from a fixed local array. Th...

CVE-2026-90009

In the Linux kernel, the following vulnerability has been resolved: scsi: bsg: Fix TOCTOU in iouring passthrough command setup scsibsguringcmd reads bsguringcmd from the shared mmap'd SQE. Userspace can change a field after we check it and before we use it. requestlen is the sharp case: it can gr...

UBUNTU-CVE-2026-89941

In the Linux kernel, the following vulnerability has been resolved: iio: buffer: Make IIO DMA fence release RCU-safe The dmafence documentation states that if a custom release implementation is provided, the dmafence object must be freed in an RCU-safe way. The current iiodmafence implementation...

UBUNTU-CVE-2026-89968

In the Linux kernel, the following vulnerability has been resolved: nvmet-tcp: reject unsolicited H2CData PDUs nvmettcphandleh2cdatapdu accepts an H2CData PDU after only checking that its TTAG is a valid in-range command index and that the command's data buffers are mapped. It never checks that t...

UBUNTU-CVE-2026-90041

In the Linux kernel, the following vulnerability has been resolved: HID: sony: clean up device list on probe failure sonyinputconfigured adds some controllers to sonydevicelist before HID core registers their input devices. inputregisterdevice can fail after the callback returns successfully...

UBUNTU-CVE-2026-89982

In the Linux kernel, the following vulnerability has been resolved: i2c: mux: Fix channel node leak on adapter add failure i2cmuxaddadapter takes a reference to the Device Tree channel node before registering the new adapter. If adapter registration fails, the error path frees the private data...

UBUNTU-CVE-2026-89953

In the Linux kernel, the following vulnerability has been resolved: mtd: mtdoops: free page bitmap when the backing MTD is removed mtdoopsnotifyadd allocates oopspageused when the configured MTD device is registered. mtdoopsnotifyremove detaches from that device but leaves the bitmap allocated. I...

CVE-2026-90042

In the Linux kernel, the following vulnerability has been resolved: ceph: properly decrypt filenames in vmalloc buffers The fscrypt subsystem uses the scatterlist crypto API, inheriting its requirement that any buffers are in the linear mapping region. However, the messenger client uses kvmalloc ...

CVE-2026-89989

In the Linux kernel, the following vulnerability has been resolved: ima: Check for ERRPTR from dentrypath in validatehashalgo dentrypath returns ERRPTR-ENAMETOOLONG when the path exceeds the buffer. validatehashalgo passes the result straight to integrityauditmsg without checking. ERRPTR is not...

CVE-2026-89931

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Ensure KVMREQGETNESTEDSTATEPAGES is cleared on VM-Exit Always check and clear KVMREQGETNESTEDSTATEPAGES when emulating a nested VM-Exit to ensure the request is cleared, even when KVM was built with CONFIGKVMHYPERV=n, ...