CVE-2026-64542

In the Linux kernel, the following vulnerability has been resolved: ipv6: ndisc: fix NULL deref in acceptuntrackedna acceptuntrackedna re-fetches the inet6dev with in6devgetdev and dereferences idev-cnf.acceptuntrackedna without a NULL check, even though its only caller ndiscrecvna already fetche...

CVE-2026-64542

Summary: CVE-2026-64542 in the Linux kernel fixes a NULL dereference in IPv6 neighbor discovery. The vulnerable path occurs in accept_untracked_na(), which re-fetches inet6_dev via __in6_dev_get(dev) and accesses idev->cnf.accept_untracked_na without a NULL check, despite ndisc_recv_na() havin...

CVE-2026-64228

In the Linux kernel, the following vulnerability has been resolved: net: ethtool: phy: avoid NULL deref when PHY driver is unbound phydev-drv can become NULL while the phydevice is still attached to its netdevice, namely after the PHY driver is unbound via sysfs: echo...

UBUNTU-CVE-2026-64228

In the Linux kernel, the following vulnerability has been resolved: net: ethtool: phy: avoid NULL deref when PHY driver is unbound phydev-drv can become NULL while the phydevice is still attached to its netdevice, namely after the PHY driver is unbound via sysfs: echo...

Linux Distros Unpatched Vulnerability : CVE-2026-64228

"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: net: ethtool: phy: avoid NULL deref when PHY driver is unbound phydev-drv can become NULL...

Linux Distros Unpatched Vulnerability : CVE-2026-64215

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: drm/msm/a6xx: Check kzalloc return in a8xxhfisendperftable Check the return value of kzalloc...

SUSE 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...

SUSE 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...

SUSE 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...

CVE-2026-64482

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-2026-64416

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-2026-64262

In the Linux kernel, the following vulnerability has been resolved: fuse-uring: end fusereq on io-uring cancel task work When iouring delivers task work with tw.cancel set PFEXITING, PFKTHREAD fallback, or percpurefisdying on the ring context, fuseuringsendintask takes the cancel branch, assigns...

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-2026-64489

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...

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-2026-64325

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-2026-64404

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-2026-64416

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...