CVE-2026-31532

In the Linux kernel, the following vulnerability has been resolved: can: raw: fix ro-uniq use-after-free in rawrcv rawrelease unregisters raw CAN receive filters via canrxunregister, but receiver deletion is deferred with callrcu. This leaves a window where rawrcv may still be running in an RCU...

UBUNTU-CVE-2026-31526

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix exception exit lock checking for subprogs processbpfexitfull passes checklock = !curframe to checkresourceleak, which is false in cases when bpfthrow is called from a static subprog. This makes checkresourceleak to skip...

CVE-2026-31472

In the Linux kernel, the following vulnerability has been resolved: xfrm: iptfs: validate inner IPv4 header length in IPTFS payload Add validation of the inner IPv4 packet totlen and ihl fields parsed from decrypted IPTFS payloads in inputprocesspayload. A crafted ESP packet containing an inner...

CVE-2026-31468

In the Linux kernel, the following vulnerability has been resolved: vfio/pci: Fix double free in dma-buf feature The error path through vfiopcicorefeaturedmabuf ignores its own advice to only use dmabufput after dmabufexport, instead falling through the entire unwind chain. In the unlikely event...

UBUNTU-CVE-2026-31514

In the Linux kernel, the following vulnerability has been resolved: erofs: set fileio bio failed in short read case For file-backed mount, IO requests are handled by vfsiocbiterread. However, it can be interrupted by SIGKILL, returning the number of bytes actually copied. Unused folios in bio are...

CVE-2026-31493

In the Linux kernel, the following vulnerability has been resolved: RDMA/efa: Fix use of completion ctx after free On admin queue completion handling, if the admin command completed with error we print data from the completion context. The issue is that we already freed the completion context in...

CVE-2026-31513

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix stack-out-of-bounds read in l2capecredconnreq Syzbot reported a KASAN stack-out-of-bounds read in l2capbuildcmd that is triggered by a malformed Enhanced Credit Based Connection Request. The vulnerability...

CVE-2026-31462

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: prevent immediate PASID reuse case PASID resue could cause interrupt issue when process immediately runs into hw state left by previous process exited with the same PASID, it's possible that page faults are still...

CVE-2026-31486

In the Linux kernel, the following vulnerability has been resolved: hwmon: pmbus/core Protect regulator operations with mutex The regulator operations pmbusregulatorgetvoltage, pmbusregulatorsetvoltage, and pmbusregulatorlistvoltage access PMBus registers and shared data but were not protected by...

CVE-2026-31475

In the Linux kernel, the following vulnerability has been resolved: ASoC: sma1307: fix double free of devmkzalloc memory A previous change added NULL checks and cleanup for allocation failures in sma1307settingloaded. However, the cleanup for modeset entries is wrong. Those entries are allocated...

CVE-2026-31481

In the Linux kernel, the following vulnerability has been resolved: tracing: Drain deferred trigger frees if kthread creation fails Boot-time trigger registration can fail before the trigger-data cleanup kthread exists. Deferring those frees until late init is fine, but the post-boot fallback mus...

UBUNTU-CVE-2026-31441

In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Fix memory leak when a wq is reset idxdwqdisablecleanup which is called from the reset path for a workqueue, sets the wq type to NONE, which for other parts of the driver mean that the wq is empty all its resourc...

UBUNTU-CVE-2026-31473

In the Linux kernel, the following vulnerability has been resolved: media: mc, v4l2: serialize REINIT and REQBUFS with reqqueuemutex MEDIAREQUESTIOCREINIT can run concurrently with VIDIOCREQBUFS0 queue teardown paths. This can race request object cleanup against vb2 queue cancellation and lead to...

UBUNTU-CVE-2026-31507

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix double-free of smcspdpriv when tee duplicates splice pipe buffer smcrxsplice allocates one smcspdpriv per pipebuffer and stores the pointer in pipebuffer.private. The pipebufoperations for these buffers used .get =...

UBUNTU-CVE-2026-31508

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: Avoid releasing netdev before teardown completes The patch cited in the Fixes tag below changed the teardown code for OVS ports to no longer unconditionally take the RTNL. After this change, the netdevdestroy...

CVE-2026-31479

In the Linux kernel, the following vulnerability has been resolved: drm/xe: always keep track of remap prev/next During 3D workload, user is reporting hitting: 413.361679 WARNING: drivers/gpu/drm/xe/xevm.c:1217 at vmbindioctlopsunwind+0x1e2/0x2e0 xe, CPU7: vkd3dqueue/9925 413.361944 CPU: 7 UID:...

CVE-2026-31503

In the Linux kernel, the following vulnerability has been resolved: udp: Fix wildcard bind conflict check when using hash2 When binding a udpsock to a local address and port, UDP uses two hashes udptable-hash and udptable-hash2 for collision detection. The current code switches to "hash2" when...

CVE-2026-31483

In the Linux kernel, the following vulnerability has been resolved: s390/syscalls: Add spectre boundary for syscall dispatch table The s390 syscall number is directly controlled by userspace, but does not have an arrayindexnospec boundary to prevent access past the syscall function pointer tables...

CVE-2026-31506

In the Linux kernel, the following vulnerability has been resolved: net: bcmasp: fix double free of WoL irq We do not need to free wolirq since it was instantiated with devmrequestirq. So devres will free for us...

CVE-2026-31525

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix undefined behavior in interpreter sdiv/smod for INTMIN The BPF interpreter's signed 32-bit division and modulo handlers use the kernel abs macro on s32 operands. The abs macro documentation include/linux/math.h explicitl...