CVE-2026-64417 mm: shrinker: fix NULL pointer dereference in debugfs

In the Linux kernel, the following vulnerability has been resolved: mm: shrinker: fix NULL pointer dereference in debugfs shrinkerdebugfsadd creates both "count" and "scan" debugfs files unconditionally. That assumes every shrinker implements both countobjects and scanobjects, which is not...

CVE-2026-64416 mm: swap_cgroup: fix NULL deref in lookup_swap_cgroup_id on swapless host

In the Linux kernel, the following vulnerability has been resolved: mm: swapcgroup: fix NULL deref in lookupswapcgroupid on swapless host lookupswapcgroupid passes swapcgroupctrltype.map to swapcgroupidlookup without checking that the type was ever registered via swapcgroupswapon. On a swapless...

EUVD-2026-48949

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciconn: Fix null ptr deref in hciabortconn hciabortconn read hciskbeventhdev-sentcmd when a connection was pending, but hdev-sentcmd can be NULL while reqstatus is still HCIREQPEND, leading to a NULL pointer dereferen...

CVE-2026-64405

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciconn: Fix null ptr deref in hciabortconn hciabortconn read hciskbeventhdev-sentcmd when a connection was pending, but hdev-sentcmd can be NULL while reqstatus is still HCIREQPEND, leading to a NULL pointer dereferen...

CVE-2026-64488: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ALSA: aoa: check sndctlnew1 return value sndctlnew1 can return NULL when memory allocation fails. In layout.c, the function does not check the return value before dereferencing ctl-id.name or passing to aoasndctladd, which can le...

CVE-2026-64451: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix NULL pointer dereference in funcsetflag funcsetflag dereferences tr-currenttraceflags before verifying that the current tracer is actually the function tracer. When the active tracer has been switched away from...

PT-2026-64707

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description In the ALSA cmipci component, the snd cmipci spdif controls function fails to verify the return value of snd ctl new1. When memory allocation fails, snd ctl new1 can return NULL, and the...

CVE-2026-64489: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ALSA: ymfpci: check sndctlnew1 return value sndctlnew1 can return NULL when memory allocation fails. sndymfpcicreatespdifcontrols does not check the return value before dereferencing kctl-id.device, which can lead to a NULL point...

CVE-2026-64480: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ALSA: ice1712: check sndctlnew1 return value sndctlnew1 can return NULL when memory allocation fails. The ice1712 driver calls sndctlnew1 without checking the return value before dereferencing the pointer in multiple places...

CVE-2026-64346: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: udc: Fix use-after-free in gadgetmatchdriver The udc structure acts as the management structure for the gadget, but their lifecycles are decoupled. A race condition exists where usbdelgadget frees the udc memory e.g....

CVE-2026-64457: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: virtiopci: fix vq info pointer lookup via wrong index Unbinding a virtio balloon device: echo virtio0 /sys/bus/virtio/drivers/virtioballoon/unbind triggers a NULL pointer dereference. The dmesg says: BUG: kernel NULL pointer...

CVE-2026-64405: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciconn: Fix null ptr deref in hciabortconn hciabortconn read hciskbeventhdev-sentcmd when a connection was pending, but hdev-sentcmd can be NULL while reqstatus is still HCIREQPEND, leading to a NULL pointer dereferen...

Linux Distros Unpatched Vulnerability : CVE-2026-64457

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: virtiopci: fix vq info pointer lookup via wrong index Unbinding a virtio balloon device: ech...

CVE-2026-64373: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: cpufreq: Fix hotplug-suspend race during reboot During system reboot, cpufreqsuspend is called via the kernelrestart - deviceshutdown path. Unlike the normal system suspend path, the reboot path does not call freezeprocesses, so...

CVE-2026-64297: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: module: decompress: check return value of moduleextendmaxpages moduleextendmaxpages calls kvrealloc internally and returns -ENOMEM on allocation failure. The return value is never checked. If the initial allocation fails,...

CVE-2026-64295: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: mm: pageext: add count limit to pageextiternext to prevent invalid PFN access The pageext iteration API does not validate if the PFN still belongs to a valid section while advancing the iterator. When dynamically adding memory in...

CVE-2026-64258: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: fuse-uring: remove request-less entries from entwreqqueue to fix NULL deref If a copy into the userspace ring buffer fails, a request will be terminated and fuseuringreqend will set ent-fusereq to NULL but it will leave the entry...

CVE-2026-64427: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: HID: logitech-dj: Fix maxfield check in DJ short report validation Commit b6a57912854e "HID: logitech-dj: Prevent REPORTIDDJSHORT related user initiated OOB write" added validation for the DJ short output report, but the error pa...

PT-2026-64732

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL pointer dereference can occur in the ACPI NFIT core. The acpi nfit probe function installs an ACPI notify handler for the NFIT device before verifying the presence of the NFIT...

PT-2026-64703

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL pointer dereference occurs in the ALSA gus component. The function snd gf1 pcm volume control fails to verify the return value of snd ctl new1, which can return NULL during memory...