UBUNTU-CVE-2026-74274

In the Linux kernel, the following vulnerability has been resolved: cxl/region: Fill first free targets slot during auto-discovery Any invalid endpoint decoder pointer in the target array of an active region is not allowed by cxl driver. This means cxl driver always assumes the first p-nrtargets...

UBUNTU-CVE-2026-74418

In the Linux kernel, the following vulnerability has been resolved: dma-fence: Fix potential tracepoint null pointer dereferences Tracedmafencesignaled, tracedmafencewaitend and tracedmafencedestroy can all currently dereference a null fence-ops pointer after it has been reset on fence signalling...

UBUNTU-CVE-2026-74403

In the Linux kernel, the following vulnerability has been resolved: crypto: ccp - Check for page allocation failure correctly in TIO Sashiko notes: if snpallocfirmwarepages returns NULL under memory pressure, is it safe to pass it directly to pageaddress? On architectures without HASHEDPAGEVIRTUA...

UBUNTU-CVE-2026-74351

In the Linux kernel, the following vulnerability has been resolved: ocfs2: rebase copied fsdlm LVB pointers in lockingstate The lockingstate debugfs iterator snapshots struct ocfs2lockres by value under ocfs2dlmtrackinglock and later formats that copy in ocfs2dlmseqshow. That is fine for the inli...

UBUNTU-CVE-2026-72253

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntracksip: validate skbdst before accessing it tc ingress and openvswitch do not guarantee routing information to be available. These subsystems use the conntrack helper infrastructure, and the SIP helper relies o...

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-2026-74322

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-2026-72013

In the Linux kernel, the following vulnerability has been resolved: riscv: Prevent NULL pointer dereference in machinekexecprepare A NULL pointer dereference issue is noticed in riscv's machinekexecprepare, where image-segmenti.buf might be NULL and copied unchecked. The NULL buf comes from...

UBUNTU-CVE-2026-72092

In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: reject command submission on devices without a submit op amdxdnacmdsubmit calls xdna-devinfo-ops-cmdsubmit unconditionally, but only aie2devops defines that callback. aie4vfops the AIE4 SR-IOV virtual function does...

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...

CVE-2026-74563

In the Linux kernel, the following vulnerability has been resolved: rds: tcp: hold the RCU lock across ipv6chkaddr in rdstcpladdrcheck rdstcpladdrcheck looks up a scoped IPv6 interface with devgetbyindexrcu, drops the RCU read-side lock, and only then passes the bare struct netdevice into...

UBUNTU-CVE-2026-74552

In the Linux kernel, the following vulnerability has been resolved: hwmon: lm90 Only report alarms if driver is ready Userspace can read sysfs attributes before driver registration is complete, immediately after devmhwmondeviceregisterwithinfo has been called. At that time, data-hwmondev is not y...

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-2026-74445

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: reject DXBINDQUERY without a DX context vmwcmddxbindquery unconditionally dereferences swcontext-dxctxnode-ctx. Userspace can trigger a NULL pointer dereference from any render-node fd by submitting an execbuf with...

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-2026-72028

In the Linux kernel, the following vulnerability has been resolved: riscv: probes: save original sp in rethook trampoline Reading a word from the stack in a kretprobe crashes a risc-v kernel. $ cd /sys/kernel/tracing/ $ echo 'r nttywrite $stack0' dynamicevents $ echo 1 events/kprobes/enable Unabl...

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...

RHEL 9 : 389-ds-base (RHSA-2026:55422)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:55422 advisory. 389 Directory Server is an LDAP version 3 LDAPv3 compliant server. The base packages include the Lightweight Directory Access Protocol LDAP...

PT-2026-76715

The flash copy system call is verified by z vrfy flash copy in drivers/flash/flash util.c. On builds with CONFIG USERSPACE enabled, this handler is the kernel-side trust boundary for a user-mode caller. Prior to the fix it validated only the output buffer K SYSCALL MEMORY WRITE and passed the two...