UBUNTU-CVE-2026-74313

In the Linux kernel, the following vulnerability has been resolved: vduse: hold vduselock across IDR lookup in open path vdusedevopen looks up struct vdusedev through the IDR and then acquires dev-lock only after vduselock has been dropped. This leaves a window where a concurrent VDUSEDESTROYDEV...

CVE-2026-72288

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic: Handle race between interrupt affinity change and LPI disabling Hyunwoo Kim reports some really bad races should the following situation occur: - LPI-I is pending in vcpu-B's AP list - vcpu-A writes to vcpu-B's ...

UBUNTU-CVE-2026-72328

In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Fix potential amdxdnaumap lifetime race amdxdnaumaprelease calls the blocking mmuintervalnotifierremove before removing the object from abo-mem.umaplist. If aie2populaterange runs concurrently, it may obtain a...

UBUNTU-CVE-2026-72489

In the Linux kernel, the following vulnerability has been resolved: staging: nvec: fix use-after-free in nvecrxcompleted In nvecrxcompleted, when an incomplete RX transfer is detected, nvecmsgfree is called to return the message back to the pool by clearing its 'used' atomic flag. Immediately aft...

UBUNTU-CVE-2026-72299

In the Linux kernel, the following vulnerability has been resolved: tipc: restrict socket queue dumps in enqueue tracepoints tipcskenqueue runs with sk-sklock.slock held while the socket is owned by user context. The spinlock protects the backlog queue in this path, but it does not serialize...

UBUNTU-CVE-2026-72431

In the Linux kernel, the following vulnerability has been resolved: alloctag: fix use-after-free in /proc/allocinfo after module unload allocinfostart only reinitializes the codetag iterator at position 0. For subsequent reads position 0, it reuses cached iterator state from the previous batch...

UBUNTU-CVE-2026-74345

In the Linux kernel, the following vulnerability has been resolved: RDMA/siw: Fix endpoint/socket association handling Disassociating a socket from an endpoint via siwsocketdisassoc may release the last reference on that endpoint and free it. Therefore, don't clear the endpoints socket pointer...

UBUNTU-CVE-2026-72393

In the Linux kernel, the following vulnerability has been resolved: eth: fbnic: don't cache shinfo across skb realloc fbnictxlso calls skbcowhead which may reallocate the skb including the shared info. We can't use the pointer calculated before the call. BUG: KASAN: slab-use-after-free in...

UBUNTU-CVE-2026-74415

In the Linux kernel, the following vulnerability has been resolved: spi: atcspi200: fix use-after-free when driver unbind DMA resource is initialized after SPI controller registration. So when driver unbind, this can trigger a use-after-free when DMA is torn down while the controller is still ali...

UBUNTU-CVE-2026-72336

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: 6lowpan: hold L2CAP conn across debugfs control getl2capconn looks up an LE hciconn under hdev protection, but then drops that protection before reading hcon-l2capdata and before lowpancontrolwrite later dereferences...

UBUNTU-CVE-2026-72381

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free of fp-owner.name in durable handle owner check Two concurrent SMB2 durable reconnects DH2C/DHnC on the same persistentid race the fp-owner.name compare-read in ksmbdvfscomparedurableowner against the kfr...

UBUNTU-CVE-2026-72454

In the Linux kernel, the following vulnerability has been resolved: i3c: mipi-i3c-hci: Fix race in i3chciaddrtodev i3chciaddrtodev walks bus-devs.i3c, which is protected by bus.lock rwsem. However, it is invoked from the MIPI I3C HCI IRQ handler, which cannot take bus.lock. This allows concurrent...

UBUNTU-CVE-2026-72500

In the Linux kernel, the following vulnerability has been resolved: RDMA/bnxtre: Free SRQ toggle page after firmware teardown Free the toggle page only after firmware teardown completes so that an NQ interrupt arriving during bnxtqplibdestroysrq won't write the toggle values to an already-freed...

UBUNTU-CVE-2026-72358

In the Linux kernel, the following vulnerability has been resolved: drm/xe/pt: prevent invalid cursor access for purged BOs During a page table walk for binding, xeptstagebind explicitly skips initializing the xerescursor for purged BOs, treating them similarly to NULL VMAs by only setting the...

UBUNTU-CVE-2026-72317

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: pin upper rpcclnt across the TLS connectworker The TLS connect path has a use-after-free: nothing pins the upper rpcclnt across the delayed connectworker. xsconnect stores task-tkclient in sockxprt::clnt as a raw pointer...

UBUNTU-CVE-2026-74434

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Don't move a peeked OOB message onto the pending queue rxrpcrecvmsgoob takes a received oob message off recvmsgoobq and, if a response is needed, moves it onto the pendingoobq tree. However, only the unlink from recvmsgoob...

UBUNTU-CVE-2026-74257

In the Linux kernel, the following vulnerability has been resolved: sockmap: Fix use-after-free in udpbpfrecvmsg syzbot reported use-after-free of struct skmsg in skmsgrecvmsg. 0 skmsgrecvmsg peeks skmsg from psock-ingressmsg under a lock, but its processing is lockless. Thus, skmsgrecvmsg must b...

CVE-2026-72288

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic: Handle race between interrupt affinity change and LPI disabling Hyunwoo Kim reports some really bad races should the following situation occur: - LPI-I is pending in vcpu-B's AP list - vcpu-A writes to vcpu-B's ...

CVE-2026-74434

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Don't move a peeked OOB message onto the pending queue rxrpcrecvmsgoob takes a received oob message off recvmsgoobq and, if a response is needed, moves it onto the pendingoobq tree. However, only the unlink from recvmsgoob...

CVE-2026-72492

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in sameclienthaslease sameclienthaslease returns an opinfo pointer from ci-moplist after dropping ci-mlock without taking a reference. smbgrantoplock then dereferences that pointer in copylease and when...