CVE-2026-99074

In the Linux kernel, the following vulnerability has been resolved: ipv4: stop PMTU walk when nexthop group shrinks Commit 7d3f3b4367f3 "net: ipv4: Cache pmtu for all packet paths if multipath enabled" made iprtupdatepmtu update every path. For nexthop objects, fibinfonumpath and fibinfonhc...

CVE-2026-99054

In the Linux kernel, the following vulnerability has been resolved: tipc: destroy topsrv workqueues before closing connections tipctopsrvstop closed subscriber connections while the topology server's send and receive workqueues were still running. Socket callbacks and subscription events could th...

CVE-2026-99052

In the Linux kernel, the following vulnerability has been resolved: selinux: preserve NATIVELABELS on already-initialized sb in setmntopts When an NFSv4 filesystem exported with securitylabel is mounted a second time, sgetfc returns the existing superblock and nfsgetroot calls securitysbsetmntopt...

CVE-2026-99051

In the Linux kernel, the following vulnerability has been resolved: fsverity: RCU-delay the freeing of struct fsverityinfo fsveritygetinfo calls rhashtablelookupfast, which just uses rcureadlock and doesn't directly synchronize with fsverityremoveinfo. For the same inode this isn't a problem: its...

CVE-2026-99062

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: account only unread bytes in readskb After a partial stream receive, rxbytes tracks the unread suffix while bufused and peer credit still cover the whole packet. virtiotransportreadskb dequeues that packet but passe...

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...

CVE-2026-99047

In the Linux kernel, the following vulnerability has been resolved: gve: fix XSK buffer leak when rings are stopped GVE does not free XSK buffers when resetting ring state as a part of stopping queues. This causes all XSK buffers which are posted to the NIC to be leaked. Free XSK buffers attached...

CVE-2026-98983

In the Linux kernel, the following vulnerability has been resolved: unshare: don't drop active namespace references that were never taken Active references on the namespaces of an nsproxy are taken when the nsproxy is installed into a task in switchtasknamespaces and copynamespaces and dropped...

CVE-2026-99076

In the Linux kernel, the following vulnerability has been resolved: ipv6: udp: Create exceptions before socket matching Currently, when ICMPv6 Packet Too Big and Redirect Message packets are locally delivered and quote a UDP packet, an exception is only created in the IPv6 exception cache if the...

CVE-2026-99078

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Prevent stale XSK buffer release on MPWQE refill retry With AFXDP on a striding RQ, mlx5e defers releasing XSK buffers until an MPWQE is refilled. If XSK allocation then returns -ENOMEM, actualwqhead is not advanced an...

CVE-2026-99079

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Prevent stale XSK buffer release on refill retry When an XDP redirect to an AFXDP socket fails because its RX ring is full, the XSK core frees the buffer. During the subsequent batched refill of a legacy cyclic RQ, mlx...

CVE-2026-99080

In the Linux kernel, the following vulnerability has been resolved: fs: Free any excess xarray nodes in clearinode For many years we've had a hard to hit leak of xarray nodes. Hugh documented it well in commit 786b31121a2c. Recently people and syzbot have found ways to force it to happen with...

CVE-2026-99046

In the Linux kernel, the following vulnerability has been resolved: gve: fix XSK buffer leak on error descriptor When the error bit is set in the RX completion descriptor, the bufstate and its attached buffer should be freed. In the case of AFXDP ZC, the XSK buffer was not freed, leading to a lea...

CVE-2026-99019

In the Linux kernel, the following vulnerability has been resolved: scsi: ch: Do not keep references to data transfer element devices chreadconfig looks up the scsidevice of every data transfer element whose SCSI id the changer reports in READ ELEMENT STATUS, and stores it in ch-dt...

CVE-2026-99023

In the Linux kernel, the following vulnerability has been resolved: power: sequencing: pcie-m2: Fix leaking array from ofregulatorbulkgetall ofregulatorbulkgetall allocates the consumers array and hands it to the caller, who is expected to free it at an appropriate time. pwrseq-pcie-m2.c never di...

CVE-2026-99027

In the Linux kernel, the following vulnerability has been resolved: net: team: stop reusing skb after queue override A nonzero devqueuexmit result does not return ownership of the skb. When an override port's qdisc drops it, the queue override helper used to try another port or the mode transmit ...

CVE-2026-99081

In the Linux kernel, the following vulnerability has been resolved: bnxten: fix DMA mapping length for padded small packets Stefan Fleischmann reported Intel IOMMU DMA Read faults on BCM57412 NetXtreme-E NICs when transmitting packets on VLAN/macvlan interfaces: DMAR: DMA Read NOPASID Request...

UBUNTU-CVE-2026-98927

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: nv: Fix life cycle of the nestedmmus array The nestedmmus array holds the shadow page tables that are used when a guest is running a nested context. These structures are allocated on VCPUINIT for whole guest, which...

UBUNTU-CVE-2026-99067

In the Linux kernel, the following vulnerability has been resolved: btrfs: scrub: fix localroot reference leak in scrubprintwarninginode When pathsfrominode fails, scrubprintwarninginode jumps to err without dropping the reference taken by btrfsgetfsroot, leaking a reference to the root every tim...

CVE-2026-98996

In the Linux kernel, the following vulnerability has been resolved: fs: don't silently unmount busy mounts The propagatemountbusy helper exists to decide whether a synchronous can suceed. It does that by looking at the copies of the victims in the mounts its parent propagates to. One of those...