UBUNTU-CVE-2026-99146

In the Linux kernel, the following vulnerability has been resolved: drm/i915/dmc: Add sanity check for DMC load address For DMC firmware header version 3, the firmware load address is stored in dmcinfo-startmmioaddr and later used by dmcloadprogram. Unlike the MMIO address table, the firmware loa...

UBUNTU-CVE-2026-99122

In the Linux kernel, the following vulnerability has been resolved: vsock/vmci: validate packet source for connected sockets vmcitransportrecvstreamcb looks up sockets first by the full source and destination tuple, then by destination only in the bound table. The fallback can select a...

UBUNTU-CVE-2026-99137

In the Linux kernel, the following vulnerability has been resolved: cifs: don't update isize in cifsdotruncate without a cached handle If findwritablefile returns null, cifsfileflush will return 0 without issuing setfilesize, and the outer 'if !rc' block will set isize to 0 before telling the...

UBUNTU-CVE-2026-99125

In the Linux kernel, the following vulnerability has been resolved: s390/pai: Handle multiple PMU stop callback invocations Handle the following scenario: The kernel protects itself against a very high sampling load and throttles the sampling using: perfeventthrottle -- PMU-stop Shortly later the...

UBUNTU-CVE-2026-99116

In the Linux kernel, the following vulnerability has been resolved: net: psp: do not inherit the Rx association on clone sk-pspassoc sits past skdontcopyend, so sockcopy copies it into every socket accepted from a listener without taking a reference, while inetsockdestruct puts for every inet...

UBUNTU-CVE-2026-99109

In the Linux kernel, the following vulnerability has been resolved: smb: client: reject SetEA requests that do not fit the request buffer CIFSSMBSetEA copies the caller's extended attribute value into the SMB request buffer without checking that it fits. The requirement is stated in the source bu...

UBUNTU-CVE-2026-99212

In the Linux kernel, the following vulnerability has been resolved: net/rds: don't let the rdmacm destroy an id RDS still owns on route failure rdsrdmacmeventhandlercmn hands the return value of rdmaresolveroute straight back to the rdmacm on RDMACMEVENTADDRRESOLVED. A synchronous failure there -...

UBUNTU-CVE-2026-99124

In the Linux kernel, the following vulnerability has been resolved: s390/pci: Fix leak of uninitialized kernel data in SCLP report While reporterrorwrite checks that the provided buffer is at least as large as the header struct, but not that it is large enough to contain the report with the lengt...

UBUNTU-CVE-2026-99161

In the Linux kernel, the following vulnerability has been resolved: i2c: viai2c-wmt: Fix clock leak in wmti2cprobe In wmti2cprobe, i2c-clk is acquired using ofclkget. If any subsequent operation fails or when the module is unloaded, the clock reference count is never decremented via clkput, leadi...

UBUNTU-CVE-2026-99189

In the Linux kernel, the following vulnerability has been resolved: gpio: mxc: fix race between chained IRQ handler install and probe completion mxcupdateirqchainedhandler is called before the IRQ domain, the generic IRQ chip, and the port list entry are set up. If an interrupt arrives in that...

UBUNTU-CVE-2026-99112

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsflower: validate mask pointer after nlanext flsetencopt iterates the key's nested tunnel-option attributes with nlaforeachattr while advancing a single mask pointer via nlanext at the bottom of each loop, so the mas...

UBUNTU-CVE-2026-99118

In the Linux kernel, the following vulnerability has been resolved: drm/i915/dmc: Harden DMC firmware payload parsing Validate the conversion of the DMC firmware size from dwords to bytes using checkmuloverflow before calculating the firmware payload size. Reject zero-length payloads and zero MMI...

UBUNTU-CVE-2026-99174

In the Linux kernel, the following vulnerability has been resolved: ext4: free the sbi after a grace period ext4getlink follows a symlink that keeps its target in a data block in rcu pathwalk mode with ext4getblkEXT4GETBLOCKSCACHEDNOWAIT. That reads smountstate in the ASSERT of ext4getblk and aga...

UBUNTU-CVE-2026-99163

In the Linux kernel, the following vulnerability has been resolved: tracing/histograms: Reject non-stacktrace fields for synthetic stacktrace fields In checksynthfield, when a synthetic event field is a stacktrace field-isstack and the histogram field is not a "long" stacktrace array, validation...

UBUNTU-CVE-2026-99151

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix NULL sink dereference in USB4 bandwidth functions allocateusb4bandwidthforstream and allocateusb4bandwidth both use ASSERTstream-sink before dereferencing stream-sink-link. ASSERT is compiled out in productio...

UBUNTU-CVE-2026-99183

In the Linux kernel, the following vulnerability has been resolved: accel/rocket: search every core slot when looking up a scheduler schedtocore walks rdev-cores up to rdev-numcores, and rocketremove decrements numcores for every core it removes. Unbind a core that is not the last one and the cor...

UBUNTU-CVE-2026-99129

In the Linux kernel, the following vulnerability has been resolved: selinux: fix BPF token permission checks Avoid multiple lookups of the bpffs creator SID using the token's file descriptor when the same information can be found via the resolved path/dentry in selinuxbpftokencreate or the token...

UBUNTU-CVE-2026-99155

In the Linux kernel, the following vulnerability has been resolved: scsi: xen/scsifront: Check for a NULL shadow entry on a backend response scsifrontdoresponse validates the rqid in a backend response against VSCSIIFMAXREQS before using it to index info-shadow, but then dereferences the entry to...

UBUNTU-CVE-2026-99110

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix heap overflow in cifsdosetacl cifssetacl validates ACL size using posixaclxattrsize: 4 + count 8 // 4-byte header + 8 bytes per ACE cifsdosetacl then calls posixacltocifs to write the CIFS wire format into the sa...

UBUNTU-CVE-2026-99135

In the Linux kernel, the following vulnerability has been resolved: dm-integrity: fix infinite loop on discard with large tag size When integritymetadata handles a discard, it fills a buffer with DISCARDFILLER and writes it over the tags, maxblocks blocks at a time. If the kmalloc fails, the buff...

UBUNTU-CVE-2026-99154

In the Linux kernel, the following vulnerability has been resolved: scsi: libiscsi: Reject a negative task index from parsepduitt A transport that implements parsepduitt hands libiscsi an index taken from the PDU, and both lookups bound it from above only: if i = session-cmdsmax i and cmdsmax are...

UBUNTU-CVE-2026-99104

In the Linux kernel, the following vulnerability has been resolved: schedext: Fix the bypass dispatch claim for schedulers bypassed by an ancestor scxbypass claims bypass dispatch when the scheduler's depth goes from zero to one and releases it when the depth returns to zero, but propagates only...

UBUNTU-CVE-2026-99197

In the Linux kernel, the following vulnerability has been resolved: net: mv643xx: move setting of netops to fix crash mv643xxethprobe connects the PHY before dev-netdevops is assigned. phyattachdirect - phylinktopoaddphy reads dev-netdevops through netdevneedopslock since the commit in question, ...

UBUNTU-CVE-2026-99107

In the Linux kernel, the following vulnerability has been resolved: ntfs: fix incorrect MFT record pointer passed to ntfsattrrecordresize ntfsnewattrflags passes the wrong MFT record to ntfsattrrecordresize. When the attribute is in an extent record, ctx-mrec points to the extent but the function...

UBUNTU-CVE-2026-99145

In the Linux kernel, the following vulnerability has been resolved: drm/xe: Don't transfer shrinker pages for pinned bos on purgeable state change Pinned bos have their pages removed from the shrinker's shrinkable / purgeable counts on pin, and added back on unpin according to the bo's purgeable...

UBUNTU-CVE-2026-99194

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: aeroflex: move setting of netops to fix crash grethofprobe calls grethmdioinit, which connects the PHY, before dev-netdevops is assigned. phyattachdirect - phylinktopoaddphy reads dev-netdevops through...

UBUNTU-CVE-2026-99177

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Fix page dirtying in sevgmempostpopulate setpagedirty requires that the caller holds some kind of lock to ensure that the page's mapping does not concurrently go away. That is not the case for a random page we got from...

UBUNTU-CVE-2026-99170

In the Linux kernel, the following vulnerability has been resolved: namespace: a mount that copytree leaves out can't take over a lock Since commit c62a4766937e "movemount: transfer MNTLOCKED" a mount can be moved beneath a locked mount. The lock moves from the old cover to the new mount which...

UBUNTU-CVE-2026-99195

In the Linux kernel, the following vulnerability has been resolved: net: ethoc: move setting of netops to fix crash ethocprobe calls ethocmdioprobe, which connects the PHY, before netdev-netdevops is assigned. phyattachdirect - phylinktopoaddphy reads dev-netdevops through netdevneedopslock since...

UBUNTU-CVE-2026-99131

In the Linux kernel, the following vulnerability has been resolved: xfs: fix capability check in xfs An user reported a bug where he managed to evade group's quota by changing a file's gid to a different group id the same user belonged to, even though quotas were enforced on both gids and the...

UBUNTU-CVE-2026-99213

In the Linux kernel, the following vulnerability has been resolved: vsock: treat TCPCLOSING as once-established Handle the TCPESTABLISHED - TCPCLOSING transition on OPRST, which can race with the connect loop. Immediately break and return 0 on ESTABLISHED/CLOSING. The return value of connect shou...

UBUNTU-CVE-2026-99206

In the Linux kernel, the following vulnerability has been resolved: scsi: target: iscsi: Fix race in discovery auth updates Separate configfs opens can concurrently update the discovery AuthMethod parameter. Both callers may free the same value in iscsiupdateparamvalue, causing a double-free...

UBUNTU-CVE-2026-99149

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix GEM object leak on ENOMEM in userptr ioctl When amdgpuhmmrangealloc fails amdgpugemuserptrioctl returns -ENOMEM right away and skips the cleanup every other error path goes through. The GEM object, the bo-parent...

UBUNTU-CVE-2026-99160

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Do not show buffermeta for CPUs without a buffer The percpu/cpuN/buffermeta files are created for every possible CPU, but buffer-bufferscpu is only allocated once that CPU comes online. Reading the file of a CPU that...

UBUNTU-CVE-2026-99158

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Fix false warning in ringbuffermapgetreader The mmap reader can warn when it catches up with a writer that is still committing events. rbgetreaderpage returns NULL in this case, but ringbuffermapgetreader treats that...

UBUNTU-CVE-2026-99176

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Reset MMU back to the root MMU if loading L2 state fails for !VM-Entry Reset the vCPU's MMU pointer back to the root MMU if loading L2 state fails in the "not from VM-Entry" case, i.e. when emulating RSM or handling...

UBUNTU-CVE-2026-99159

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Fix the sub-buffer array base in rbmetasubbufidx On a persistent ring buffer, rbmetasubbufidx can return an index one sub-buffer too high. rbsetupidsmetapage then fills subbufids shifted by one and leaves subbufids0...

UBUNTU-CVE-2026-99121

In the Linux kernel, the following vulnerability has been resolved: ipv4: avoid divide by zero in fibrebalance fibrebalance computes the total eligible nexthop weight in one pass and programs upper bounds in a second pass. A concurrent change to ignorerouteswithlinkdown can make the first pass...

UBUNTU-CVE-2026-99203

In the Linux kernel, the following vulnerability has been resolved: pipe: preserve existing fasync readers on writer setup failure FSETFL and FIOASYNC decide whether to invoke -fasync before pipefasync takes pipe-mutex. Two enables of one ORDWR FIFO can therefore both enter the callback...

UBUNTU-CVE-2026-99117

In the Linux kernel, the following vulnerability has been resolved: net: bridge: mcast: don't truncate the port group walk on teardown brmulticastdisableportctx and brmulticastdelport walk port-mglist with hlistforeachentrysafe. However, brmulticastfinddelpg can also delete other entries from the...

UBUNTU-CVE-2026-99156

In the Linux kernel, the following vulnerability has been resolved: scsi: st: Fix use-after-free race between stremove and stopen stremove drops the probe reference on the scsitape with krefput and only afterwards removes its index from stindexidr. If that was the last reference, scsitaperelease...

UBUNTU-CVE-2026-99165

In the Linux kernel, the following vulnerability has been resolved: sctp: revalidate output stream after association connect wait When message interleaving is enabled, the first send waits for association establishment before building its data chunks. The wait drops the socket lock, and handshake...

UBUNTU-CVE-2026-99139

In the Linux kernel, the following vulnerability has been resolved: tcp: fix use-after-free in dotcpgetsockoptTCPCONGESTION dotcpgetsockopt reads icsk-icskcaops-name without holding rcureadlock. Since commit 0baf26b0fcd7 "bpf: tcp: Support tcpcongestionops in bpf", icskcaops can point to...

UBUNTU-CVE-2026-99130

In the Linux kernel, the following vulnerability has been resolved: iouring/cancel: don't spin on local work the task can't run iouringcancelgeneric refuses to sleep while any ring on the exiting task's tctx has local work pending. It assumes the task is that ring's submitter and that the next...

UBUNTU-CVE-2026-99209

In the Linux kernel, the following vulnerability has been resolved: drm/xe: skip eviction of a BO with no resource xeevictflags switches on tbo-resource-memtype to choose an eviction placement. An xe BO can reach eviction with no ttm.resource, e.g. an imported dma-buf BO whose resource was freed...

UBUNTU-CVE-2026-99182

In the Linux kernel, the following vulnerability has been resolved: ASoC: SOF: ipc4-topology: Fix shift-out-of-bounds for aggregated ALH capture When chcount is smaller than blob-alhcfg.devicecount e.g. a mono capture stream, such as a SmartMic, aggregated across multiple SDW links, step = chcoun...

UBUNTU-CVE-2026-99166

In the Linux kernel, the following vulnerability has been resolved: net: rds: fix uninitialized trans dereference in CM event handler rdsrdmacmeventhandlercmn assigns trans only when the RDMA device is an InfiniBand CA RDMANODEIBCA. On any other device type, e.g. an iWARP RNIC such as siw, trans...

UBUNTU-CVE-2026-99162

In the Linux kernel, the following vulnerability has been resolved: gpio: shared: fix use-after-free bug when adding shared proxies The GPIO lookup table can stay alive for longer than the kobject whose name string's address we're assigning to lookup-devid. Fix a potential UAF by duplicating the...

UBUNTU-CVE-2026-99103

In the Linux kernel, the following vulnerability has been resolved: workqueue: Fix unbound pool lifetime for pending pwqs KASAN reports a use-after-free of an unbound workerpool in nodeactivatependingpwq: BUG: KASAN: slab-use-after-free in rawspintrylock+0x6d/0x120 Read of size 4 at addr...

UBUNTU-CVE-2026-99134

In the Linux kernel, the following vulnerability has been resolved: mac802154: fix data race and NULL deref on local-assocdev local-assocdev is shared between the association path and the association-response worker without common synchronization. mac802154performassociation stores the coordinato...