CVE-2026-31599

In the Linux kernel, the following vulnerability has been resolved: media: vidtv: fix NULL pointer dereference in vidtvchannelpmtmatchsections syzbot reported a general protection fault in vidtvpsidescassign 1. vidtvpsipmtstreaminit can return NULL on memory allocation failure, but...

CVE-2026-31623

In the Linux kernel, the following vulnerability has been resolved: net: usb: cdc-phonet: fix skb frags overflow in rxcomplete A malicious USB device claiming to be a CDC Phonet modem can overflow the skbsharedinfo-frags array by sending an unbounded sequence of full-page bulk transfers. Drop the...

CVE-2026-31590

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Drop WARN on large size for KVMMEMORYENCRYPTREGREGION Drop the WARN in sevpinmemory on npages overflowing an int, as the WARN is comically trivially to trigger from userspace, e.g. by doing: struct kvmencregion range =...

CVE-2026-31663

In the Linux kernel, the following vulnerability has been resolved: xfrm: hold dev ref until after transportfinish NFHOOK After async crypto completes, xfrminputresume calls devput immediately on re-entry before the skb reaches transportfinish. The skb-dev pointer is then used inside NFHOOK and i...

CVE-2026-31575

In the Linux kernel, the following vulnerability has been resolved: mm/userfaultfd: fix hugetlb fault mutex hash calculation In mfillatomichugetlb, linearpageindex is used to calculate the page index for hugetlbfaultmutexhash. However, linearpageindex returns the index in PAGESIZE units, while...

UBUNTU-CVE-2026-31542

In the Linux kernel, the following vulnerability has been resolved: x86/platform/uv: Handle deconfigured sockets When a socket is deconfigured, it's mapped to SOCKEMPTY 0xffff. This causes a panic while allocating UV hub info structures. Fix this by using NUMANONODE, allowing UV hub info structur...

UBUNTU-CVE-2026-31616

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fphonet: fix skb frags overflow in pnrxcomplete A broken/bored/mean USB host can overflow the skbsharedinfo-frags array on a Linux gadget exposing a Phonet function by sending an unbounded sequence of full-page OUT...

CVE-2026-31669

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix slab-use-after-free in inetlookupestablished The ehash table lookups are lockless and rely on SLABTYPESAFEBYRCU to guarantee socket memory stability during RCU read-side critical sections. Both tcpprot and tcpv6prot ha...

UBUNTU-CVE-2026-31668

In the Linux kernel, the following vulnerability has been resolved: seg6: separate dstcache for input and output paths in seg6 lwtunnel The seg6 lwtunnel uses a single dstcache per encap route, shared between seg6inputcore and seg6outputcore. These two paths can perform the post-encap SID lookup ...

UBUNTU-CVE-2026-31555

In the Linux kernel, the following vulnerability has been resolved: futex: Clear stale exiting pointer in futexlockpi retry path Fuzzying/stressing futexes triggered: WARNING: kernel/futex/core.c:825 at waitforownerexiting+0x7a/0x80, CPU11: futexlockpis/524 When futexlockpiatomic sees the owner i...

UBUNTU-CVE-2026-31572

In the Linux kernel, the following vulnerability has been resolved: i2c: designware: amdisp: Fix resume-probe race condition issue Identified resume-probe race condition in kernel v7.0 with the commit 38fa29b01a6a "i2c: designware: Combine the init functions",but this issue existed from the...

CVE-2026-31667

In the Linux kernel, the following vulnerability has been resolved: Input: uinput - fix circular locking dependency with ff-core A lockdep circular locking dependency warning can be triggered reproducibly when using a force-feedback gamepad with uinput for example, playing ELDEN RING under Wine...

CVE-2026-31658

In the Linux kernel, the following vulnerability has been resolved: net: altera-tse: fix skb leak on DMA mapping error in tsestartxmit When dmamapsingle fails in tsestartxmit, the function returns NETDEVTXOK without freeing the skb. Since NETDEVTXOK tells the stack the packet was consumed, the sk...

CVE-2026-31662

In the Linux kernel, the following vulnerability has been resolved: tipc: fix bcackers underflow on duplicate GRPACKMSG The GRPACKMSG handler in tipcgroupprotorcv currently decrements bcackers on every inbound group ACK, even when the same member has already acknowledged the current broadcast...

CVE-2026-31600

In the Linux kernel, the following vulnerability has been resolved: arm64: mm: Handle invalid large leaf mappings correctly It has been possible for a long time to mark ptes in the linear map as invalid. This is done for secretmem, kfence, realm dma memory un/share, and others, by simply clearing...

UBUNTU-CVE-2026-31672

In the Linux kernel, the following vulnerability has been resolved: wifi: rt2x00usb: fix devres lifetime USB drivers bind to USB interfaces and any device managed resources should have their lifetime tied to the interface rather than parent USB device. This avoids issues like memory leaks when...

UBUNTU-CVE-2026-31565

In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Fix deadlock during netdev reset with active connections Resolve deadlock that occurs when user executes netdev reset while RDMA applications e.g., rping are active. The netdev reset causes ice driver to remove irdma...

UBUNTU-CVE-2026-31586

In the Linux kernel, the following vulnerability has been resolved: mm: blk-cgroup: fix use-after-free in cgwbreleaseworkfn cgwbreleaseworkfn calls cssputwb-blkcgcss and then later accesses wb-blkcgcss again via blkcgunpinonline. If cssput drops the last reference, the blkcg can be freed...

UBUNTU-CVE-2026-31634

In the Linux kernel, the following vulnerability has been resolved: rxrpc: fix reference count leak in rxrpcserverkeyring This patch fixes a reference count leak in rxrpcserverkeyring by checking if rx-securities is already set...

UBUNTU-CVE-2026-31535

In the Linux kernel, the following vulnerability has been resolved: smb: client: make use of smbdirectsocket.recvio.credits.available The logic off managing recv credits by counting posted recvio and granted credits is racy. That's because the peer might already consumed a credit, but between...