CVE-2026-98951

In the Linux kernel, the following vulnerability has been resolved: riscv: ptrace: Zero-initialize regset buffers before copyin userregsetcopyin only copies count bytes, so a PTRACESETREGSET request with a short iovlen leaves the rest of the stack buffer uninitialized. In riscvvrset that garbage ...

CVE-2026-99037

In the Linux kernel, the following vulnerability has been resolved: dm-crypt: reject the lmk IV mode with AEAD ciphers A "capi:" table line that pairs an AEAD cipher with the lmk IV mode, for example "capi:gcmaes-lmk" with the integrity:28:aead option, causes an oops when it is loaded. lmk sets...

UBUNTU-CVE-2026-98987

In the Linux kernel, the following vulnerability has been resolved: namespace: look at the topmost mount for a mount namespace file attachrecursivemnt preallocates a mountpoint for the root of the topmost mount of the source so that a mount that already sits at the destination can be put on top o...

UBUNTU-CVE-2026-98941

In the Linux kernel, the following vulnerability has been resolved: ext4: don't enable large folios on encrypted inodes Commit 709f0f1f1bf5 "ext4: add checks for large folio incompatibilities when BS PS" disables large folios at mount time if the "encrypt" feature is set. However, enabling that...

UBUNTU-CVE-2026-99063

In the Linux kernel, the following vulnerability has been resolved: dm ioctl: don't let datastart run past the buffer struct dmioctl has seven bytes of trailing padding, so the smallest buffer userspace is allowed to ask for, offsetofstruct dmioctl, data, is seven bytes shorter than sizeofstruct...

UBUNTU-CVE-2026-99085

In the Linux kernel, the following vulnerability has been resolved: schedext: Fix CPU hotplug hang when a dying CPU's tasks sit in the BPF scheduler A CPU going down has to empty its own rq. Its hotplug thread waits in schedcpuwaitempty until nothing else is left, and the only thing that wakes it...

CVE-2026-98934

In the Linux kernel, the following vulnerability has been resolved: ipv6: sr: use skbgethashnet in seg6makeflowlabel Since commit d58e468b1112 "flowdissector: implements flow dissector BPF hook" skbflowdissect needs a net pointer, either from skb-dev, skb-sk, or since commit 3cbf4ffba5ee "net:...

UBUNTU-CVE-2026-98925

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix self-redirect copiedseq double-counting When a BPF streamverdict program redirects an skb back to the same socket self-redirect with BPFFINGRESS, skpsockverdictapply calls tcpeatskb which advances tcpsk-copiedse...

UBUNTU-CVE-2026-98977

In the Linux kernel, the following vulnerability has been resolved: namespace: handle mount locking for automounts correctly If mounts are propagated across user namespaces, attachrecursivemnt locks every copy of the source mount to protect overmounts from vanishing and revealing the underlying...

UBUNTU-CVE-2026-98975

In the Linux kernel, the following vulnerability has been resolved: xfs: stop exchanging reflink flags when exchanging mappings When an exchange covers both files from offset 0 to idisksize, xmicanexchangereflinkflags assumes every mapping moved and hands the reflink flag over to the other file...

UBUNTU-CVE-2026-98917

In the Linux kernel, the following vulnerability has been resolved: parisc: Increase kernel stack size to 32kb For 64-bit Linux kernels, increase the default kernel stack size THREADSIZEORDER to 32 kB, in order to avoid kernel crashes which have been triggered recently when building the debian vt...

UBUNTU-CVE-2026-99018

In the Linux kernel, the following vulnerability has been resolved: riscv: entry: gate shadow call stack reload on sstatus.SPP, not tp Under CONFIGSHADOWCALLSTACK, handleexception reloads the kernel shadow call stack pointer gp only when the trap came from userspace. It made that decision with...

UBUNTU-CVE-2026-99071

In the Linux kernel, the following vulnerability has been resolved: ipv4: do not warn on route notification size race Commit 680aea08e78c "net: ipv4: Emit notification when fib hardware flags are changed" added asynchronous route notifications for hardware flag changes. fibaliashwflagsset sizes t...

UBUNTU-CVE-2026-98990

In the Linux kernel, the following vulnerability has been resolved: namespace: check a submount for references right before unmounting it shrinksubmounts and markmountsforexpiry first collect all the mounts they are allowed to unmount and then unmount them. Whether a mount is busy is decided by...

UBUNTU-CVE-2026-99065

In the Linux kernel, the following vulnerability has been resolved: cgroup/cpuset: Handle cpu hotplug race in guaranteeactivecpus With commit 2125c0034c5d "cgroup/cpuset: Make cpuset hotplug processing synchronous", the cpuset hotplug operation becomes synchronous. That commit also removes the co...

CVE-2026-98964

In the Linux kernel, the following vulnerability has been resolved: nvmet: use the local P2P device on metadata allocation failure nvmetreqallocp2pmemsgls assigns req-p2pdev only after the data and metadata SGL allocations succeed. If the data allocation succeeds but the metadata allocation fails...

CVE-2026-98979

In the Linux kernel, the following vulnerability has been resolved: namespace: refuse an automount below a mount that is in no namespace It's possible to add autmounts even when the parent mount isn't in the mount namespace of the caller. The only requirement we have is that the parent mount...

UBUNTU-CVE-2026-99040

In the Linux kernel, the following vulnerability has been resolved: KEYS: Fix addkey race with keyring restriction keycreateorupdate snapshots keyring-restrictlink before taking the destination keyring's semaphore. keyringrestrict installs a restriction while holding that semaphore. This allows a...

UBUNTU-CVE-2026-98935

In the Linux kernel, the following vulnerability has been resolved: rtc: dev: zero-initialize struct rtcwkalrm to prevent information leak The struct rtcwkalrm has padding holes after the 'pending' member. When returned to userspace via the RTCWKALRMRD ioctl, uninitialized kernel stack data...

UBUNTU-CVE-2026-99034

In the Linux kernel, the following vulnerability has been resolved: mmc: sdhci-sprd: disable runtime PM on remove sdhcisprdprobe enables runtime PM, while sdhcisprdremove does not perform the corresponding runtime PM cleanup. The probe failure path disables runtime PM before disabling the clocks,...