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...

CVE-2026-64331

In the Linux kernel, the following vulnerability has been resolved: usbip: vudc: fix NULL deref in vepdequeue vepallocrequest wasn't initializing vrequest-udc, so cancellations on the FunctionFS AIO path were arriving in vepdequeue without a valid UDC reference. Since vrequest-udc is never actual...

UBUNTU-CVE-2026-64489

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...

UBUNTU-CVE-2026-64331

In the Linux kernel, the following vulnerability has been resolved: usbip: vudc: fix NULL deref in vepdequeue vepallocrequest wasn't initializing vrequest-udc, so cancellations on the FunctionFS AIO path were arriving in vepdequeue without a valid UDC reference. Since vrequest-udc is never actual...

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-2026-64325

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...

UBUNTU-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-2026-64416

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...

CVE-2026-64488 ALSA: aoa: check snd_ctl_new1() return value

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...

EUVD-2026-48830

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-2026-64482

The CVE-2026-64482 issue affects the Linux kernel’s ALSA subsystem (gus) where snd_ctl_new1() can return NULL on memory allocation failure. snd_gf1_pcm_volume_control() previously dereferenced kctl->id.index without verifying the new control node, risking a NULL pointer dereference. The availa...

CVE-2026-64482 ALSA: gus: check snd_ctl_new1() return value

In the Linux kernel, the following vulnerability has been resolved: ALSA: gus: check sndctlnew1 return value sndctlnew1 can return NULL when memory allocation fails. sndgf1pcmvolumecontrol does not check the return value before dereferencing kctl-id.index, which can lead to a NULL pointer...

CVE-2026-64480

CVE-2026-64480 : In the Linux kernel, the ALSA ice1712 family drivers (ice1712.c, ice1724.c, aureon.c) are affected. The root cause is that snd_ctl_new1() can return NULL on memory allocation failure, yet the code dereferenced the result without checks, leading to NULL pointer dereferences. The d...

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...

CVE-2026-64416

CVE-2026-64416 is a NULL pointer dereference in the Linux kernel's mm: swap_cgroup subsystem. lookup_swap_cgroup_id() passes swap_cgroup_ctrl[type].map to __swap_cgroup_id_lookup() without verifying the swap type was registered; on a swapless host , every ctrl->map is NULL, causing a crash. Th...

CVE-2026-64416

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-2026-48960

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...

CVE-2026-64404 Bluetooth: ISO: avoid NULL deref of conn in iso_conn_big_sync()

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...

CVE-2026-64404

CVE-2026-64404 is a NULL pointer dereference in the Linux kernel's Bluetooth ISO subsystem , specifically in the iso_conn_big_sync() function. The function drops the socket lock to call hci_get_route() and re-acquires it, but dereferences iso_pi(sk)->conn->hcon without re-validating that co...

CVE-2026-64404 Bluetooth: ISO: avoid NULL deref of conn in iso_conn_big_sync()

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...