UBUNTU-CVE-2026-80671

In the Linux kernel, the following vulnerability has been resolved: perf sched: Fix registerpid overflow, strcpy, and BUGON registerpid has several issues when processing untrusted perf.data: 1. Integer overflow: pid + 1 sizeofstruct taskdesc can wrap to a small value on 32-bit systems when pid i...

UBUNTU-CVE-2026-80679

In the Linux kernel, the following vulnerability has been resolved: s390/dasd: Fix potential NULL pointer dereference dasdreleasespace checks the implementation of the isese discipline function before calling it to determine if a given device is an ESE DASD. The current usage of the logical AND...

UBUNTU-CVE-2026-80723

In the Linux kernel, the following vulnerability has been resolved: of: reservedmem: prevent OOB when too many dynamic regions are defined On boot, fdtscanreservedmem saves each dynamically-placed /reserved-memory subnode into a local array of size MAXRESERVEDREGIONS. If the device tree defines...

UBUNTU-CVE-2026-80646

In the Linux kernel, the following vulnerability has been resolved: ipv6: guard against possible NULL deref in in6devstatsget devgetbyindexrcu could return NULL if the original physical device is unregistered. Found by Sashiko...

UBUNTU-CVE-2026-80641

In the Linux kernel, the following vulnerability has been resolved: wifi: wlcore: enable the right set of ciphers The firmware version number check for IGTK introduced in commit c34dbc5900b0 "wifi: wlcore: Add support for IGTK key" lets the amount of ciphers decrease on every boot of a too old...

UBUNTU-CVE-2026-80677

In the Linux kernel, the following vulnerability has been resolved: driver core: use READONCE for dev-driver in devhassyncstate devhassyncstate reads dev-driver twice without holding devicelock -- once for the NULL check and once to dereference -syncstate. Some callers only hold...

UBUNTU-CVE-2026-80653

In the Linux kernel, the following vulnerability has been resolved: scsi: hisisas: Add slavedestroy interface for v3 hw WARNING is triggered when executing link reset of remote PHY and rmmod SAS driver simultaneously. Following is the WARNING log: WARNING: CPU: 61 PID: 21818 at...

UBUNTU-CVE-2026-80618

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Avoid double-unpin of DOORBELL/MMIO BOs on free amdgpuamdkfdgpuvmfreememoryofgpu unpinned DOORBELL and MMIO remap BOs which are pinned at allocation time before checking whether the BO is still mapped to the GPU. When...

UBUNTU-CVE-2026-80647

In the Linux kernel, the following vulnerability has been resolved: RDMA/hns: Fix warning in poll cq direct mode CQs allocated by iballoccq always have a comphandler. Though in direct mode this handler is never expected to be called, it is still called when the driver is reset, triggering the...

UBUNTU-CVE-2026-80686

In the Linux kernel, the following vulnerability has been resolved: mm: migratedevice: fix ptepfn/ptedirty called on non-present PTE ptepfn and ptedirty have undefined behaviour when called on a non-present PTE. In migratevmacollectpmd, these functions may be invoked on non-present entries e.g.,...

UBUNTU-CVE-2026-80678

In the Linux kernel, the following vulnerability has been resolved: i2c: imx: Fix slave registration race and error handling In i2cimxregslave, the slave pointer was assigned before pmruntimeresumeandget. If pmruntimeresumeandget failed, the error path returned without clearing i2cimx-slave,...

UBUNTU-CVE-2026-80668

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntrackexpect: use conntrack GC to reap expectations This patch replaces the timer API by GC worker approach for expectations, as it already happened in many other subsystems. Use the existing conntrack GC worker t...

UBUNTU-CVE-2026-80612

In the Linux kernel, the following vulnerability has been resolved: net: lwtunnel: Drop skb metadata before LWT encapsulation skb metadata is meant for passing information between XDP and TC. It lives in the skb headroom, immediately before skb-data. LWT programs cannot access the skbuff-datameta...

UBUNTU-CVE-2026-80606

In the Linux kernel, the following vulnerability has been resolved: drm/xe/userptr: Hold notifierlock for write on inject test path When CONFIGDRMXEUSERPTRINVALINJECT=y, xeptsvmuserptrprecommit runs vmacheckuserptr with the svm notifierlock taken for read. The test injection causes vmacheckuserpt...

UBUNTU-CVE-2026-80711

In the Linux kernel, the following vulnerability has been resolved: power: supply: max17040: handle missing status supplier MAX17040 does not report charger state itself, so the driver forwards POWERSUPPLYPROPSTATUS to a supplier power supply. If no supplier is registered,...

UBUNTU-CVE-2026-80644

In the Linux kernel, the following vulnerability has been resolved: ocfs2: don't BUGON an invalid journal dinode BUG A fuzzed OCFS2 image can corrupt the current slot journal dinode while mount is still in progress. The mount path first reports the invalid journal block and then crashes in...

UBUNTU-CVE-2026-80611

In the Linux kernel, the following vulnerability has been resolved: ACPI: processoridle: Mark LPI enter functions as cpuidle When function tracing or Kprobes is enabled, entering an ACPI Low Power Idle LPI state triggers the following RCU splat: RCU not on for: acpiidlelpienter+0x4/0xd8 WARNING:...

UBUNTU-CVE-2026-80599

In the Linux kernel, the following vulnerability has been resolved: batman-adv: dat: ensure accessible ethhdr proto field When batadvgetvid accesses the proto field of the ethernet header, it is not checking if the data itself is accessible. The caller is responsible for it. But in contrast to...

UBUNTU-CVE-2026-80716

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: wake linked drain waiters on unlink sndpcmdrain on a linked stream parks an on-stack wait entry on the drained peer's runtime-sleep, and after scheduletimeout removes it only if that peer is still found in the caller's...

UBUNTU-CVE-2026-80643

In the Linux kernel, the following vulnerability has been resolved: EDAC/igen6: Fix call trace due to missing release When unloading the igen6edac driver, there is a call trace: Device 'null' does not have a release function, it is broken and must be fixed. See Documentation/core-api/kobject.rst...