UBUNTU-CVE-2026-98860

In the Linux kernel, the following vulnerability has been resolved: HID: bpf: cast size to ssizet when checking hidbpfhwrequest As reported by Sashiko: If a transport driver encounters a hardware error and returns a negative error code such as -EPIPE, ret is implicitly promoted to sizet when...

UBUNTU-CVE-2026-98866

In the Linux kernel, the following vulnerability has been resolved: sched/cache: Introduce taskstruct-schedcachegrp to fix UAF Add a schedcachegrp pointer to taskstruct so that scheduler code can access the cache group directly via the task, without going through mm-schedcachegrp. This decouples...

UBUNTU-CVE-2026-98867

In the Linux kernel, the following vulnerability has been resolved: dm-pcache: bound the logical key offset from persistent memory cachekeydecode takes a key's logical off from the cache device and later indexes reqkeytree-subtrees by it in getsubtree. An off past the device forms a subtree point...

CVE-2026-98445

In the Linux kernel, the following vulnerability has been resolved: xfs: don't let memory failures leak blocks and kill repairs LOLLM complains that a memory allocation failure in xrepnewbtaddblocks results in online repair leaking blocks that were previously allocated to write a new btree, but t...

CVE-2026-98586

In the Linux kernel, the following vulnerability has been resolved: sctp: hold asoc or transport before modtimer in timer handlers Take the association or transport reference before rearming a timer in the timer handlers. The existing code calls modtimer before taking the reference needed by the...

UBUNTU-CVE-2026-98777

In the Linux kernel, the following vulnerability has been resolved: binder: fix leaked fd fixups on TFUPDATETXN supersede When a TFUPDATETXN transaction supersedes a pending async transaction in a frozen process, the outdated transaction is freed with kfree directly. This skips binderfreetxnfixup...

CVE-2026-98784

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/gfx6: fix firmware leak on teardown The firmware requested in gfxv60initmicrocode is not released when the GFX block is torn down, leaking the firmware resources. Add gfxv60freemicrocode and call it from gfxv60swfini t...

CVE-2026-98622

In the Linux kernel, the following vulnerability has been resolved: net/sched: actct: don't WARN on benign flowoffloadalloc failure flowoffloadalloc returns NULL when the conntrack entry is dying e.g. raced with a conntrack flush or when the GFPATOMIC allocation fails; both are expected under loa...

CVE-2026-98621

In the Linux kernel, the following vulnerability has been resolved: net: gue: reject invalid REMCSUM offsets The REMCSUM option carries an absolute checksum start and checksum field offset. gueremcsum passes them to skbremcsumprocess, whose partial path stores offset - start in the u16...

CVE-2026-98715

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Preserve TLB control i.e. pending TLB flush on failed VMRUN Don't reset the VMCB's TLB control back to "do nothing" on a failed VMRUN, as empirical testing shows that the CPU performs the requested TLB flush if and only...

UBUNTU-CVE-2026-98764

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ffs: Fix NULL pointer dereference in FUNCTIONFSENDPOINTDESC When user space sets up FunctionFS with only full-speed descriptors e.g., flags = FUNCTIONFSHASFSDESC and the gadget operates at a higher speed such as...

UBUNTU-CVE-2026-98776

In the Linux kernel, the following vulnerability has been resolved: binderfs: fix UAF write in binderadddevice binderfsbinderdevicecreate publishes the new dentry with dmakepersistent and then calls simpledonecreating, which drops the parent directory lock and the creator's dentry reference. It...

UBUNTU-CVE-2026-98451

In the Linux kernel, the following vulnerability has been resolved: smb: client: use finishnoopen for non-regular inodes An OCREAT open can find an existing symlink or another non-regular inode. cifsatomicopen calls finishopen on it and attaches a cifsFileInfo. Symlink inodes have no CIFS release...

UBUNTU-CVE-2026-98577

In the Linux kernel, the following vulnerability has been resolved: nfc: llcp: fix WKS SAP hijacking via prefix match in nfcllcpwkssap nfcllcpwkssap compares only servicenamelen bytes, so a short servicename like "u" matches longer WKS strings like "urn:nfc:sn:snep". Fix by requiring exact length...

UBUNTU-CVE-2026-98651

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Properly handle NULL pointer in datcondsetstoragekey Some callers pass NULL as oldkey. Calling pagecondsetstoragekey will cause that NULL pointer to get dereferenced. Fix by checking for NULL and assigning the pointer ...

UBUNTU-CVE-2026-98722

In the Linux kernel, the following vulnerability has been resolved: mtd: block2mtd: Fix divide error when erasesize is zero The erase size is parsed from the "block2mtd" module parameter and can be set to zero. adddevice then evaluates if size % erasesize with a zero divisor, which triggers a...

CVE-2026-98449

In the Linux kernel, the following vulnerability has been resolved: smb: client: delete compound mids on send failure before unlock When sending a compound request fails, smbsendrqst kicks off a reconnect. compoundsendrecv still has those mids on pendingmidq, but it unlocks the server without...

CVE-2026-98472

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Free haveruncpus during VM destruction even if VM is no longer SEV Unconditionally free SEV's "have run CPUs" cpumask in the VM destroy path, i.e. even for what appear to be non-SEV VMs, as an SEV VM becomes a non-SEV V...

CVE-2026-98572

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix immediate JMP JEQ/JNE on MIPS32 An addu instruction was emitted instead of addiu, causing the immediate value 1 to be interpreted as register $at. This made the comparison result invalid when the immediate operand was...

UBUNTU-CVE-2026-98465

In the Linux kernel, the following vulnerability has been resolved: RISC-V: KVM: Serialize IMSIC attributes with vCPU migration KVM device ioctls are not serialized against KVMRUN. As a result, kvmriscvaiaimsicrwattr can snapshot the physical CPU and HGEI of an IMSIC VS-file before a concurrent...