UBUNTU-CVE-2026-74266

In the Linux kernel, the following vulnerability has been resolved: net/sched: schdualpi2: Do not call qdisctreereducebacklog during peek before restoring qlen Whenever dualpi2 drops packets during peek, it calls qdisctreereducebacklog. An issue arises because it calls qdisctreereducebacklog befo...

UBUNTU-CVE-2026-72458

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix NULL pointer dereference in unpackpdb pdb-dfa could be NULL if unpackdfa fails, causing a NULL pointer dereference...

UBUNTU-CVE-2026-72453

In the Linux kernel, the following vulnerability has been resolved: regcache: Do not overwrite error code when finalizing cache after error During regcache initialization, if an error occurs in the cacheops-populate callback, and if cache operations include an exit callback, the error code from...

UBUNTU-CVE-2026-74406

In the Linux kernel, the following vulnerability has been resolved: vxlan: Fix potential null-ptr-deref in vxlangropreparereceive. udptunnelsockrelease could set sk-skuserdata to NULL while vxlangropreparereceive is running. Let's check if rcudereferenceskuserdata is NULL after skbgroremcsuminit...

UBUNTU-CVE-2026-74335

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix NULL pointer dereference in bpftaskfromvpid bpftaskfromvpid looks up a task in the pid namespace of the current task, via findtaskbyvpid: findtaskbyvpidvpid findtaskbypidnsvpid, taskactivepidnscurrent findpidnsnr, ns -...

CVE-2026-74259

In the Linux kernel, the following vulnerability has been resolved: cifs: remove all cifs files before kill super Cifs files may be put into fileinfoputwq during umounting cifs. After umount done, cifsFileInfoputfinal is called, which cause following BUG: BUG: kernel NULL pointer dereference,...

UBUNTU-CVE-2026-72346

In the Linux kernel, the following vulnerability has been resolved: platform/x86: bitland-mifs-wmi: Fix NULL pointer dereference during suspend/resume The driver registers two distinct WMI devices: a control device BITLANDWMICONTROL and an event device BITLANDWMIEVENT. During the probe phase, the...

UBUNTU-CVE-2026-72359

In the Linux kernel, the following vulnerability has been resolved: drm/xe: fix NPD in bomeminfo When a buffer object is purged, its ttm.resource is set to NULL via the TTM pipeline gutting flow. However, the BO remains in the client's object list until userspace explicitly closes the GEM handle...

UBUNTU-CVE-2026-72334

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: fix malformed ISOEND/CONT handling Core specification Part C vol 4 sec 5.4.5 does not exclude empty ISOCONT, ISOEND packets. We currently reject them if they are last. If controller sends malformed sequence ISOSTA...

UBUNTU-CVE-2026-74424

In the Linux kernel, the following vulnerability has been resolved: fbcon: fix NULL pointer dereference for a console without vcdata fbconnewmodelist runs when a framebuffer's modelist changes. For each console mapped to it with fbdisplayi.mode set, it reads vcconsi.d and passes the vcnum to...

UBUNTU-CVE-2026-74435

In the Linux kernel, the following vulnerability has been resolved: rxrpc: rxrpcverifydata ensure rxdecbuffer alloc rxrpcrecvmsgdata calls rxrpcverifydata whenever the rxrpccall.rxdecbuffer is unallocated and assumes that upon successful return that rxdecbuffer must be allocated. However,...

UBUNTU-CVE-2026-72468

In the Linux kernel, the following vulnerability has been resolved: xprtrdma: Initialize reid before removal registration rpcrdmacreateid registers ep-rern with the rpcrdma ibclient before returning the new rdmacmid to rpcrdmaepcreate. However rpcrdmaepcreate currently stores that pointer in...

UBUNTU-CVE-2026-74342

In the Linux kernel, the following vulnerability has been resolved: kernfs: link kn to its parent before the LSM init hook After commit 12e9e3cd03b5 "simpexattr: use per-sb cache", kernfsxattrset and kernfsxattrget compute the cache via kernfsrootkn before any other check. kernfsrootkn walks...

UBUNTU-CVE-2026-72342

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix HV VHCA stats agent registration race mlx5ehvvhcastatscreate registers the stats agent through mlx5hvvhcaagentcreate. The helper publishes the agent in hvvhca-agentstype under agentslock and immediately schedules a...

UBUNTU-CVE-2026-74429

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix the reception of a reply packet before data transmission Fix rxrpcreceivingreply to handle the reception of an apparent reply DATA packet before rxrpc has had a chance to send any request DATA packets on a client call ...

UBUNTU-CVE-2026-72502

In the Linux kernel, the following vulnerability has been resolved: tcp: ipv6: clamp default adverting MSS to avoid GSOBYFRAGS 0xFFFF When MTU is large, ip6defaultadvmss can return IPV6MAXPLEN 65535. This is interpreted by TCP as mssclamp, allowing the MSS to reach 65535. However, 0xFFFF is also...

UBUNTU-CVE-2026-74379

In the Linux kernel, the following vulnerability has been resolved: dax/kmem: account for partial discontiguous resource upon removal When devdaxkmemprobe partially succeeds at least one range is mapped but a subsequent range fails requestmemregion or addmemorydrivermanaged, the probe silently...

UBUNTU-CVE-2026-74303

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciqca: fix NULL pointer dereference in qcadmphdr for non-serdev device hu-serdev is NULL for hciuart attached via non-serdev paths, but qcadmphdr unconditionally dereferences hu-serdev-dev.driver-name, causing a NULL...

UBUNTU-CVE-2026-72316

In the Linux kernel, the following vulnerability has been resolved: dm era: fix NULL pointer dereference in metadataopen metadataopen returns NULL when kzallocobj fails, but the caller eractr only checks ISERRmd. Since ISERRNULL returns false, the NULL pointer is treated as a valid result and lat...

UBUNTU-CVE-2026-74387

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: midi: Serialize output teardown with eventinput eventprocessmidi borrows msynth-outputrfile.output and then passes the substream to dumpmidi and sndrawmidikernelwrite without synchronizing with the output open/close...