DEBIAN-CVE-2026-31591

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Lock all vCPUs when synchronzing VMSAs for SNP launch finish Lock all vCPUs when synchronizing and encrypting VMSAs for SNP guests, as allowing userspace to manipulate and/or run a vCPU while its state is being...

DEBIAN-CVE-2026-31592

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Protect all of sevmemencregisterregion with kvm-lock Take and hold kvm-lock for before checking sevguest in sevmemencregisterregion, as sevguest isn't stable unless kvm-lock is held or KVM can guarantee KVMSEVINIT2 has...

DEBIAN-CVE-2026-31549

In the Linux kernel, the following vulnerability has been resolved: i2c: cp2615: fix serial string NULL-deref at probe The cp2615 driver uses the USB device serial string as the i2c adapter name but does not make sure that the string exists. Verify that the device has a serial number before...

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-2026-31567

In the Linux kernel, the following vulnerability has been resolved: PM: sleep: Drop spurious WARNON from pmrestoregfpmask Commit 35e4a69b2003f "PM: sleep: Allow pmrestrictgfpmask stacking" introduced refcount-based GFP mask management that warns when pmrestoregfpmask is called with savedgfpcount ...

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-2026-31650

In the Linux kernel, the following vulnerability has been resolved: mmc: vub300: fix use-after-free on disconnect The vub300 driver maintains an explicit reference count for the controller and its driver data and the last reference can in theory be dropped after the driver has been unbound. This...

UBUNTU-CVE-2026-31570

In the Linux kernel, the following vulnerability has been resolved: can: gw: fix OOB heap access in cgwcsumcrc8rel cgwcsumcrc8rel correctly computes bounds-safe indices via calcidx: int from = calcidxcrc8-fromidx, cf-len; int to = calcidxcrc8-toidx, cf-len; int res = calcidxcrc8-resultidx, cf-len...

UBUNTU-CVE-2026-31670

In the Linux kernel, the following vulnerability has been resolved: net: rfkill: prevent unlimited numbers of rfkill events from being created Userspace can create an unlimited number of rfkill events if the system is so configured, while not consuming them from the rfkill file descriptor, causin...

UBUNTU-CVE-2026-31608

In the Linux kernel, the following vulnerability has been resolved: smb: server: avoid double-free in smbdirectfreesendmsg after smbdirectflushsendlist smbdirectflushsendlist already calls smbdirectfreesendmsg, so we should not call it again after postsendmsg moved it to the batch list...

UBUNTU-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...

UBUNTU-CVE-2026-31558

In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Make kvmgetvcpubycpuid more robust kvmgetvcpubycpuid takes a cpuid parameter whose type is int, so cpuid can be negative. Let kvmgetvcpubycpuid return NULL for this case so as to make it more robust. This fix an...

UBUNTU-CVE-2026-31646

In the Linux kernel, the following vulnerability has been resolved: net: lan966x: fix pagepool error handling in lan966xfdmarxallocpagepool pagepoolcreate can return an ERRPTR on failure. The return value is used unconditionally in the loop that follows, passing the error pointer through...

UBUNTU-CVE-2026-31543

In the Linux kernel, the following vulnerability has been resolved: crashdump: don't log dm-crypt key bytes in readkeyfromuserkeying When debug logging is enabled, readkeyfromuserkeying logs the first 8 bytes of the key payload and partially exposes the dm-crypt key. Stop logging any key bytes...

CVE-2026-31645

In the Linux kernel, the following vulnerability has been resolved: net: lan966x: fix page pool leak in error paths lan966xfdmarxalloc creates a page pool but does not destroy it if the subsequent fdmaalloccoherent call fails, leaking the pool. Similarly, lan966xfdmainit frees the coherent DMA...

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...

CVE-2026-31642

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix call removal to use RCU safe deletion Fix rxrpc call removal from the rxnet-calls list to use listdelrcu rather than listdelinit to prevent stuffing up reading /proc/net/rxrpc/calls from potentially getting into an...

UBUNTU-CVE-2026-31559

In the Linux kernel, the following vulnerability has been resolved: LoongArch: Fix missing NULL checks for kstrdup 1. Replace "offindnodebypath"/"" with "ofroot" to avoid multiple calls to "ofnodeput". 2. Fix a potential kernel oops during early boot when memory allocation fails while parsing CPU...

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-2026-31642

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix call removal to use RCU safe deletion Fix rxrpc call removal from the rxnet-calls list to use listdelrcu rather than listdelinit to prevent stuffing up reading /proc/net/rxrpc/calls from potentially getting into an...