UBUNTU-CVE-2026-74322

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7996: Fix possible NULL pointer dereference in mt7996macwritetxwi80211 For injected frames e.g. via radiotap, mac80211 can pass info-control.vif = NULL, as explicitly noted in struct ieee80211txinfo. Check vif point...

UBUNTU-CVE-2026-74263

In the Linux kernel, the following vulnerability has been resolved: net: wwan: t7xx: check skbclone in control TX t7xxportctrltx clones each skb fragment before passing it to the port transmit path. The clone is used immediately to set cloned-len, so an skbclone failure results in a NULL pointer...

UBUNTU-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-2026-72403

In the Linux kernel, the following vulnerability has been resolved: ALSA: FCP: Fix NULL pointer dereference in interface lookup A malformed USB device can provide a vendor-specific interface without any endpoint descriptors. fcpfindfcinterface currently selects the first vendor-specific interface...

UBUNTU-CVE-2026-72385

In the Linux kernel, the following vulnerability has been resolved: tracing/fprobe: Fix NULL pointer dereference in fprobefgraphentry fprobefgraphentry sizes a shadow-stack reservation in one walk of the per-ip fprobe list and fills it in a second walk, both under rcureadlock only. A fprobe...

UBUNTU-CVE-2026-74286

In the Linux kernel, the following vulnerability has been resolved: net: pfcp: allocate per-cpu tstats for PFCP netdevs PFCP uses devgettstats64 as its ndogetstats64 callback, but pfcplinksetup does not request NETDEVPCPUSTATTSTATS. The net core therefore leaves dev-tstats NULL for PFCP devices...

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-2026-72453

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-2026-72346

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-2026-74266

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-2026-74406

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-2026-72490

In the Linux kernel, the following vulnerability has been resolved: staging: rtl8723bs: fix stainfo check in rtwaesdecrypt The null-pointer-guard was incorrect, returning FAIL on valid pointer. Invert the guard, so it returns FAIL on invalid pointer...

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-2026-72334

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-2026-74435

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-2026-74303

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-2026-74342

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-2026-72502

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...

CVE-2026-74414

In the Linux kernel, the following vulnerability has been resolved: hfsplus: Remove the duplicate attr inode dirty marking action Syzbot reported a null-ptr-deref in 1. If the attributes file is not loaded during system mount, a trigger occurs 1 when setxattr is executed in userspace. Remove the...