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-2026-31599

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-2026-31575

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...

CVE-2026-31573

In the Linux kernel, the following vulnerability has been resolved: media: verisilicon: Fix kernel panic due to initconst misuse Fix a kernel panic when probing the driver as a module: Unable to handle kernel paging request at virtual address ffffd9c18eb05000 offindmatchingnodeandmatch+0x5c/0x1a0...

CVE-2026-31654

In the Linux kernel, the following vulnerability has been resolved: mm/vma: fix memory leak in mmapregion commit 605f6586ecf7 "mm/vma: do not leak memory when .mmapprepare swaps the file" handled the success path by skipping getfile via filedoesntneedget, but missed the error path. When /dev/zero...

CVE-2026-31671

In the Linux kernel, the following vulnerability has been resolved: xfrmuser: fix info leak in buildreport struct xfrmuserreport is a u8 proto field followed by a struct xfrmselector which means there is three "empty" bytes of padding, but the padding is never zeroed before copying to userspace...

CVE-2026-31657

In the Linux kernel, the following vulnerability has been resolved: batman-adv: hold claim backbone gateways by reference batadvblaaddclaim can replace claim-backbonegw and drop the old gateway's last reference while readers still follow the pointer. The netlink claim dump path dereferences...

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...

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-2026-31641

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix RxGK token loading to check bounds rxrpcpreparsexdryfsrxgk reads the raw key length and ticket length from the XDR token as u32 values and passes each through roundupx, 4 before using the rounded value for validation a...

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-2026-31662

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...

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...

UBUNTU-CVE-2026-31644

In the Linux kernel, the following vulnerability has been resolved: net: lan966x: fix use-after-free and leak in lan966xfdmareload When lan966xfdmareload fails to allocate new RX buffers, the restore path restarts DMA using old descriptors whose pages were already freed via lan966xfdmarxfreepages...

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...

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...

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-2026-31502

In the Linux kernel, the following vulnerability has been resolved: team: fix headerops type confusion with non-Ethernet ports Similar to commit 950803f72547 "bonding: fix type confusion in bondsetupbyslave" team has the same class of headerops type confusion. For non-Ethernet ports,...

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-2026-31466

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: fix folio isn't locked in softleaftofolio On arm64 server, we found folio that get from migration entry isn't locked in softleaftofolio. This issue triggers when mTHP splitting and zapnonpresentptes races, and the...