CVE-2026-74325

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: use kfreercu for offchannel link in mt76putvifphylink mt76putvifphylink frees the offchannel mlink with plain kfree after rcuassignpointerNULL. However, rcuassignpointer only prevents future RCU readers from obtaining...

CVE-2026-74351

In the Linux kernel, the following vulnerability has been resolved: ocfs2: rebase copied fsdlm LVB pointers in lockingstate The lockingstate debugfs iterator snapshots struct ocfs2lockres by value under ocfs2dlmtrackinglock and later formats that copy in ocfs2dlmseqshow. That is fine for the inli...

CVE-2026-74433

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix UAF in rxgkissuechallenge Fix rxgkissuechallenge to free the page containing the challenge content after invoking the tracepoint as the whdr passed to the tracepoint points into the page just freed...

CVE-2026-74320

In the Linux kernel, the following vulnerability has been resolved: fbdev: sm501fb: Fix buffer errors in OF binding code The code that gets the frame buffer mode from OF has 'use after free', 'buffer overrun' and memory leaks. info-ediddata isn't free if the probe functions fail or if pd-defmode ...

CVE-2026-72337

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: 6lowpan: avoid untracked enable work lowpanenableset allocates a temporary work item and schedules doenableset on systemwq, then returns to debugfs. The debugfs active operation has ended at that point, but the worker...

CVE-2026-72323

In the Linux kernel, the following vulnerability has been resolved: ipv4: igmp: Fix potential UAF in igmpgqstarttimer A race condition exists between device teardown inetdevdestroy and incoming IGMP query processing igmprcv, leading to a Use-After-Free in the IGMP timer callback. During device...

UBUNTU-CVE-2026-72406

In the Linux kernel, the following vulnerability has been resolved: net: sungem: fix probe error cleanup geminitone calls gemremoveone when registernetdev fails. gemremoveone unregisters and frees resources owned by the netdevice, including the DMA block, MMIO mapping, PCI regions, and the...

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-2026-74345

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-2026-72404

In the Linux kernel, the following vulnerability has been resolved: tipc: fix UAF in cleanupbearer due to premature dstcachedestroy TIPC UDP media bearer teardown calls dstcachedestroy on its replicast caches before calling synchronizenet to wait for concurrent RCU readers transmitters to finish:...

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...

UBUNTU-CVE-2026-74401

In the Linux kernel, the following vulnerability has been resolved: dlm: fix add msg handle in sendqueue ordered In a benchmark scenario triggering a lot of requests that triggers a lot of DLM messages on the network it can be that the mh-seq is not ordered according the oldest seq number. This...

UBUNTU-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-2026-74255

In the Linux kernel, the following vulnerability has been resolved: tipc: fix UAF in tipcl2sendmsg Syzbot reported a slab-use-after-free in ipvlanhardheader when called from tipcl2sendmsg. The root cause is that tipcdisablel2media calls synchronizenet while b-mediaptr is still valid. This allows...

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-2026-72449

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: fix listdel corruption in kfdcriuresumesvm The cleanup tail of kfdcriuresumesvm walks svms-criusvmmetadatalist and kfrees each struct criusvmmetadata without removing it from the list. The list head is left pointing a...

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-2026-74436

In the Linux kernel, the following vulnerability has been resolved: rxrpc: serialize kernel accept preallocation with socket teardown rxrpckernelchargeaccept reads rx-backlog without any socket/backlog synchronization and passes that raw pointer into rxrpcservicepreallocone. A concurrent...

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-2026-74265

In the Linux kernel, the following vulnerability has been resolved: net: mana: initialize gdma queue id to INVALIDQUEUEID managdcreatemanawqcq leaves queue-id as 0 from kzallocobj until manacreatewqobj assigns the firmware-returned id. If creation fails before that, cleanup calls managddestroycq...