CVE-2026-92486

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix CFI mismatch in task work callback BPF subprograms use the bpfcallbackt ABI, but task work invokes the callback through a three-argument function pointer. This trips kCFI. Store and invoke the callback as bpfcallbackt...

CVE-2026-92512

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Fix use after free in ibqueryqp When querying a QP via the netlink flow the only synchronization mechanism for the said QP is rdmarestrackget, meanwhile during the QP destroy path rdmarestrackdel is called at the end o...

CVE-2026-90121

In the Linux kernel, the following vulnerability has been resolved: irqchip/gic-v5: Clear per-CPU IRS data on teardown IRS affinity setup publishes an IRS pointer and IAFFID state in the per-CPU data before the remaining IRS initialization can fail. The error path then frees the IRS data without...

UBUNTU-CVE-2026-92485

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix WARNING in bpftracinglinkrelease The trampoline could be corrupted by the blindly 'tr-flags = BPFTRAMPFTAILCALLCTX' in verifier. 1. A fexit attached to a tailcallreachable prog. 'tr-flags' became 'BPFTRAMPFCALLORIG |...

UBUNTU-CVE-2026-90209

In the Linux kernel, the following vulnerability has been resolved: s390/debug: Fix deadlock during unregister Unregistering an s390dbf debug area while one of the associated debugfs files is being written to can cause a deadlock: $ echo .../vmur/level $ rmmod vmur...

UBUNTU-CVE-2026-90234

In the Linux kernel, the following vulnerability has been resolved: NFS: Return a delegation the client fails to record When an NFS server grants a delegation in an OPEN reply, nfsinodesetdelegation records it on the client. However, three of its error flows return without sending DELEGRETURN. A...

UBUNTU-CVE-2026-90149

In the Linux kernel, the following vulnerability has been resolved: NFSv4/flexfiles: fix NULL dereference for NFSv4.0 data servers flexfiles accepts NFSv4.0 data servers, but two NFSv4 code paths assume the data server client has a session. Unlike NFSv4.1+, an NFSv4.0 client has no session...

UBUNTU-CVE-2026-90428

In the Linux kernel, the following vulnerability has been resolved: iommu/tegra241-cmdqv: Don't run the error ISR before probe sets up vintfs tegra241cmdqvprobe requests the error IRQ before it has allocated the cmdqv-vintfs array and set cmdqv-numvintfs. A CMDQV left enabled with a latched error...

UBUNTU-CVE-2026-90150

In the Linux kernel, the following vulnerability has been resolved: pnfs/blocklayout: Fix device leaks on parse failure blparseconcat and blparsestripe allocate a child device array and then parse each child in turn. If parsing a child fails, the failed child is not counted in nrchildren and the...

UBUNTU-CVE-2026-92512

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Fix use after free in ibqueryqp When querying a QP via the netlink flow the only synchronization mechanism for the said QP is rdmarestrackget, meanwhile during the QP destroy path rdmarestrackdel is called at the end o...

UBUNTU-CVE-2026-90190

In the Linux kernel, the following vulnerability has been resolved: nullblk: use DEFINEMUTEX for the file-scope mutex In nullinit, mutexinit&lock currently happens after configfsregistersubsystem, which exposes the nullb subsystem to userspace. A racing mkdir into /sys/kernel/config/nullb/ can...

UBUNTU-CVE-2026-90420

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix infinite loop in nilfscleansegments syzbot reported a hung task in nilfstransactionbegin. This occurs because the cleaner ioctl falls into an infinite loop if nilfssegctorconstruct repeatedly returns -EROFS e.g. the...

UBUNTU-CVE-2026-90249

In the Linux kernel, the following vulnerability has been resolved: iio: light: gp2ap002: Fix unbalanced runtime PM on repeated event writes The IIO core does not filter duplicate writes to the event enable attribute, so writing the same value twice invokes writeeventconfig twice. Enabling twice...

UBUNTU-CVE-2026-90434

In the Linux kernel, the following vulnerability has been resolved: isofs: release zisofs block pointer buffer head zisofsfillpages reads the compressed block pointer table. The error paths release the current bufferhead, the loop also releases the old bufferhead when it advances. However, the...

UBUNTU-CVE-2026-90304

In the Linux kernel, the following vulnerability has been resolved: ARM: 9484/1: enable interrupts when unhandled user faults are triggered PREEMPTRT requires interrupts to be enabled when sending signals. When doDataAbort/doPrefetchAbort triggers unhandled user faults, that is inf-fn return a...

CVE-2026-90092

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: reject accept queue add unless BTLISTEN New sk should not be added to parent socket accept queue after last l2capsockcleanuplisten has run in l2capsockteardowncb and state set to BTCLOSED, as that can result to...

CVE-2026-90228

In the Linux kernel, the following vulnerability has been resolved: nvmet: fix NULL pointer dereference in nvmetexecuteidentifynszns When a host issues an Identify command with CNS 05h I/O Command Set specific Identify Namespace and CSI 02h ZNS targeting a file-backed namespace,...

UBUNTU-CVE-2026-90189

In the Linux kernel, the following vulnerability has been resolved: nullblk: register configfs subsystem after creating default devices In nullinit, configfsregistersubsystem currently runs before registerblkdev, so when nullblk is built as a module, a racing mkdir + poweron from userspace can...

UBUNTU-CVE-2026-90162

In the Linux kernel, the following vulnerability has been resolved: ksmbd: defer publishing granted locks to prevent UAF/double-free race In smb2lock, mid-batch granted locks are published to connection-wide conn-locklist and file-wide fp-locklist lists immediately upon vfslockfile success, while...

UBUNTU-CVE-2026-92494

In the Linux kernel, the following vulnerability has been resolved: ext4: fix bufferhead leak in ext4initorphaninfo ext4initorphaninfo reads orphan file blocks with ext4bread and stores the returned bufferhead in oi-ofbinfoi.obbh. If ext4bread succeeds but the orphan block magic or checksum...