CVE-2026-93149

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211hwsim: avoid NULL skb in stop queue drain mac80211hwsimstop drops any frames left in data-pending. The loop currently checks skbqueueempty and then dequeues separately. That split is racy with TX status handling,...

UBUNTU-CVE-2026-92491

In the Linux kernel, the following vulnerability has been resolved: firmware: armscmi: Roll back partial protocol table registration scmiprotocoltableregister can leave earlier requests registered when a later entry in the same ID table fails. Each request retains a pointer to the driver's ID...

CVE-2026-90391

In the Linux kernel, the following vulnerability has been resolved: lib/testhmm: fail dmirrorfault when the mirrored mm is gone dmirrorfault is called from the dmirrorread and dmirrorwrite retry loops after dmirrordoread or dmirrordowrite finds a missing device page table entry. If the mirrored m...

CVE-2026-90283

In the Linux kernel, the following vulnerability has been resolved: hugetlbfs: release subpool on fillsuper failure hugetlbfsfillsuper allocates a hugepage subpool when size or minsize mount options are specified. hugepagenewsubpool may also reserve huge pages for minsize. If root dentry creation...

CVE-2026-90431

In the Linux kernel, the following vulnerability has been resolved: remoteproc: Prevent crash handling to race with rprocdel There's no synchronization between rproccrashhandlerwork and rprocdel, as such it's possible for a driver to be removed while crash-handler work is scheduled, or even...

CVE-2026-90177

In the Linux kernel, the following vulnerability has been resolved: bpf: Check pointer type for all atomic RMW paths Atomic RMW verification records an instruction pointer type only when the current destination is PTRTOARENA. A second path can therefore reach the same instruction with an ordinary...

UBUNTU-CVE-2026-92495

In the Linux kernel, the following vulnerability has been resolved: RDMA/bnxtre: Clear VMMAYWRITE on DBR/toggle page mmap bnxtremmap rejects VMWRITE for the DBRPAGE and TOGGLEPAGE mmap flags, but a read-only mapping can still retain VMMAYWRITE. nd later be upgraded with mprotectPROTWRITE. This ca...

UBUNTU-CVE-2026-90191

In the Linux kernel, the following vulnerability has been resolved: mailbox: riscv-sbi-mpxy: validate RPMI notification lengths The SBI return value controls how many bytes are copied from shared memory into the RPMI notification buffer. It is not validated against the negotiated shared-memory si...

UBUNTU-CVE-2026-90329

In the Linux kernel, the following vulnerability has been resolved: HID: synchronize input before cleaning up a failed probe hiddeviceiostart allows reports to run concurrently with probe. If the probe subsequently fails, hiddeviceprobe releases driver resources and clears hdev-driver without fir...

UBUNTU-CVE-2026-90186

In the Linux kernel, the following vulnerability has been resolved: nullblk: reject per-device queue resize for shared tag set When sharedtags is enabled, nullsetuptagset makes the device use the global tagset, whose driverdata stays NULL. nullmapqueues therefore falls back to the module-wide...

UBUNTU-CVE-2026-90363

In the Linux kernel, the following vulnerability has been resolved: drm/msm: don't tear down KMS twice when KMS init fails When priv-kmsinit mdp4kmsinit / mdp5kmsinit fails partway through, both display drivers already tear their KMS state down via mdp4destroy / mdp5kmsdestroy before returning th...

UBUNTU-CVE-2026-90124

In the Linux kernel, the following vulnerability has been resolved: irqchip/renesas-rzg2l: Fix loss of interrupt rzg2lclearirqint and rzg2lcleartintint perform a read-modify-write on the ISCR/TSCR status registers to clear the bit for the interrupt just handled. Since these registers are...

UBUNTU-CVE-2026-90270

In the Linux kernel, the following vulnerability has been resolved: armmpam: Disable driver unbind to avoid UAF When a user unbinds an MSC and that MSC is the only MSC left for a component then the corresponding mpamcomponent will be freed. If the user then goes on to read the schemata file in th...

UBUNTU-CVE-2026-90120

In the Linux kernel, the following vulnerability has been resolved: irqchip/gic-v5: Check getlogicalindex return value in MADT IAFFID parsing In gicacpiparseiaffid a given MADT GICC entry might not correspond to a logical cpu recognized by the kernel, resulting in the cpu variable initialization ...

UBUNTU-CVE-2026-90175

In the Linux kernel, the following vulnerability has been resolved: smb: server: fix leak of ksmbdipcloginrequestext returned buffer Free it unconditionally after ksmbdallocuser calls. kmemleak splat: unreferenced object 0xffff888103b83540 size 192: comm "pool-0", pid 16970, jiffies 4377290937 he...

UBUNTU-CVE-2026-90233

In the Linux kernel, the following vulnerability has been resolved: nvme-pci: release descriptor pools on probe failure The per-NUMA-node descriptor DMA pools are created lazily from nvmeinithctxcommon once the admin tag set is allocated, but they are only destroyed in nvmeremove via...

UBUNTU-CVE-2026-90178

In the Linux kernel, the following vulnerability has been resolved: hwmon: coretemp Fix coredata leak on CPUs without PTS pdata-coredata is allocated in inittempdata when the first core tempdata of a package is created, but it is only released from destroytempdata, and only in the branch that...

UBUNTU-CVE-2026-90260

In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: don't clobber the extent buffer when zeroing it out On a zoned filesystem a freed-but-still-dirty tree block is written out as zeros EXTENTBUFFERZONEDZEROOUT only to keep the zone write pointer advancing...

UBUNTU-CVE-2026-90418

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix BUG in nilfscopydirtypages on dirty state mismatch Syzbot reported a kernel BUG triggered within nilfscopydirtypages, which copies dirty DAT file folios/pages to its shadow page cache. The BUG occurs when a retrieved...

UBUNTU-CVE-2026-90093

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: access chan-conn safely in get/setsockopt Since commit b66774b48dd9 "Bluetooth: L2CAP: Fix UAF in channel timeout by holding conn ref" l2capchan::conn has held reference and remains non-NULL also after the...