UBUNTU-CVE-2026-99180

In the Linux kernel, the following vulnerability has been resolved: unicode: free the map after a grace period genericcidhash and genericcidcompare read sb-sencoding and dereference the unicode map while a pathwalk in rcu mode holds nothing but rcureadlock. The filesystems that use them, ext4, f2...

UBUNTU-CVE-2026-99167

In the Linux kernel, the following vulnerability has been resolved: net/sched: fix use-after-free in tcfactionput tcfactionput decrements the reference count before decrementing the binding count. Another thread can free the action between these operations, causing the binding-count update to...

PT-2026-128150

In the Linux kernel, the following vulnerability has been resolved: scsi: bsg: Pass reply len to bsg setup queue to fit UFS ARPMB replies bsg-lib allocates a 96-byte SCSI SENSE BUFFERSIZE reply buffer per job, but struct ufs rpmb reply is 104 bytes: a 40-byte struct ufs bsg reply followed by a...

CVE-2026-99114: Linux: In the Linux kernel, the following vulnerability has been resolved: ksmbd: initialize FileSystemControlFlags in…

In the Linux kernel, the following vulnerability has been resolved: ksmbd: initialize FileSystemControlFlags in FSCONTROLINFORMATION smb2getinfofilesystem reports 48 bytes for FSCONTROLINFORMATION, that is the whole of struct smb2fscontrolinfo, but never assigns FileSystemControlFlags. Those four...

UBUNTU-CVE-2026-99173

In the Linux kernel, the following vulnerability has been resolved: eventfs: Free the eventfsinode after an rcu grace period too tracefsdrevalidate reads -isfreed of the eventfsinode that dentry-dfsdata points to, and -drevalidate is called in rcu pathwalk mode with nothing but rcureadlock held...

UBUNTU-CVE-2026-99185

In the Linux kernel, the following vulnerability has been resolved: firewire: core: fix race condition in split transaction handling For a split transaction, either fwcorehandleresponse or splittransactiontimeoutcallback may manipulate the same transaction entry in the pending transaction list. T...

UBUNTU-CVE-2026-99123

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: validate packet source for connected sockets virtiotransportrecvpkt looks up sockets first by the full source and destination tuple, then by destination only in the bound table. The fallback is needed for listening...

UBUNTU-CVE-2026-99216

In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: Don't reset VMBus connection state on error/exit paths In two places, current code forces vmbusconnection.connstate to DISCONNECTED prior to calling vmbusdisconnect. But vmbusdisconnect calls vmbusinitiateunload, whi...

UBUNTU-CVE-2026-99136

In the Linux kernel, the following vulnerability has been resolved: dm-crypt: fix a tiny race condition in cryptdecpending cryptdecpending reads io-error before calling atomicdecandtest. Another context, for example cryptendio called from an interrupt, may set io-error and drop its reference...

UBUNTU-CVE-2026-99142

In the Linux kernel, the following vulnerability has been resolved: tracing: Check operator stack capacity before pushing predicateparse uses the first operator stack entry before processing any opening parentheses. A push then increments top before writing. The existing check still permits that...

UBUNTU-CVE-2026-99133

In the Linux kernel, the following vulnerability has been resolved: net/iucv: fix the recvmsg window update iucvsockrecvmsg sends the HiperSockets-only AFIUCVFLAGWIN without testing the transport, so on a classic z/VM socket iucvsendctrl sizes the skb through a NULL iucv-hsdev. SOMSGLIMIT accepts...

UBUNTU-CVE-2026-99207

In the Linux kernel, the following vulnerability has been resolved: scsi: target: Disable interrupts while holding delayedcmdlock targetdodelayedwork takes dev-delayedcmdlock with a plain spinlock. It runs from systempercpuwq, so interrupts stay enabled while the lock is held. Every other...

PT-2026-128198

In the Linux kernel, the following vulnerability has been resolved: sched/core: Call wakeup preempt for queued tasks during class change Paul reported recent RCU changes exposed a lost resched where CPU idles with a rcutorture thread waiting while being completely runnable. Dumping the rq state a...

UBUNTU-CVE-2026-99199

In the Linux kernel, the following vulnerability has been resolved: net: hisilicon: hip04eth: Move setting of netops to fix crash hip04macprobe calls ofphyconnect before ndev-netdevops is assigned. phyattachdirect - phylinktopoaddphy reads dev-netdevops through netdevneedopslock since the commit ...

CVE-2026-99186

In the Linux kernel, the following vulnerability has been resolved: x86/insn-eval: Fix shadowed segment index in getsegregoverrideidx Commit 45e1dccc0653 "x86/insn: Simplify foreachinsnprefix" made foreachinsnprefix declare its own loop counter named idx. getsegregoverrideidx keeps its result in ...

PT-2026-128194

In the Linux kernel, the following vulnerability has been resolved: netlink: avoid hashing the network namespace pointer The netlink rhashtable key includes a raw struct net pointer and a user-controlled port ID. Both /proc/net/netlink and socket diagnostics expose the table's bucket order. By...

UBUNTU-CVE-2026-99168

In the Linux kernel, the following vulnerability has been resolved: mshvvtl: Check per-CPU register page before mmap Register-page setup is optional for each CPU. If allocation or registration fails, mshvvtlconfigureregpage warns and leaves that CPU's regpage NULL, but initial context setup...

CVE-2026-99154: Linux: In the Linux kernel, the following vulnerability has been resolved: scsi: libiscsi: Reject a negative task index from…

In the Linux kernel, the following vulnerability has been resolved: scsi: libiscsi: Reject a negative task index from parsepduitt A transport that implements parsepduitt hands libiscsi an index taken from the PDU, and both lookups bound it from above only: if i = session-cmdsmax i and cmdsmax are...

PT-2026-128160

In the Linux kernel, the following vulnerability has been resolved: net/sched: fix use-after-free in tcf action put tcf action put decrements the reference count before decrementing the binding count. Another thread can free the action between these operations, causing the binding-count update to...

UBUNTU-CVE-2026-99171

In the Linux kernel, the following vulnerability has been resolved: ntfs3: free the sbi after a grace period If the "nocase" mount option ntfs3 uses custom hash and dentry compare functions. Both access ntfs3 superblock private information in rcu pathwalk. ntfsputsuper and ntfs3killsb drop the in...