CVE-2026-64325

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7921/mt7925: fix NULL dereference in CSA beacon This patch is based on a BUG as reported by Bongani Hlope at https://lore.kernel.org/all/[email protected]/ When a channel-switch...

CVE-2026-64314

In the Linux kernel, the following vulnerability has been resolved: crypto: chacha20poly1305 - validate poly1305 template argument chachapolycreate still accepts the compatibility poly1305 parameter in the template name, but it assumes the second template argument is always present and immediatel...

CVE-2026-64293

In the Linux kernel, the following vulnerability has been resolved: iommufd: Use sizeofhdr instead of sizeofhdr in veventq read The bound-check in iommufdveventqfopsread for the normal vEVENT path uses sizeofhdr where the surrounding code uses sizeofhdr: if !veventforlosteventsheadercur &&...

CVE-2026-64288

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: nv: Avoid dereferencing NULL VNCR pseudo-TLB VNCR TLB invalidation occurs from MMU notifiers or TLBI instructions, and either can race against a vcpu not being onlined yet no pseudo-TLB allocated. Similarly, the TLB...

CVE-2026-64297

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,...

UBUNTU-CVE-2026-64457

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-2026-64295

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-2026-64417

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-2026-64451

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...

CVE-2026-64457

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...

UBUNTU-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...

UBUNTU-CVE-2026-64480

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-2026-64258

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...

UBUNTU-CVE-2026-64486

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

CVE-2026-64314

In the Linux kernel, the following vulnerability has been resolved: crypto: chacha20poly1305 - validate poly1305 template argument chachapolycreate still accepts the compatibility poly1305 parameter in the template name, but it assumes the second template argument is always present and immediatel...

CVE-2026-64492

In the Linux kernel, the following vulnerability has been resolved: iio: temperature: tmp006: use devmiiotriggerregister tmp006probe allocates the DRDY trigger with devmiiotriggeralloc but registers it with plain iiotriggerregister. The driver has no .remove callback, so on module unload the...

UBUNTU-CVE-2026-64404

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: avoid NULL deref of conn in isoconnbigsync isoconnbigsync drops the socket lock to call hcigetroute and then re-acquires it, but dereferences isopisk-conn-hcon afterwards without re-checking that conn is still...

UBUNTU-CVE-2026-64484

In the Linux kernel, the following vulnerability has been resolved: ALSA: es1938: check sndctlnew1 return value sndctlnew1 can return NULL when memory allocation fails. sndes1938mixer does not check the return value before dereferencing the pointer, which can lead to a NULL pointer dereference. A...

CVE-2026-64325

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7921/mt7925: fix NULL dereference in CSA beacon This patch is based on a BUG as reported by Bongani Hlope at https://lore.kernel.org/all/[email protected]/ When a channel-switch...

CVE-2026-64486

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