UBUNTU-CVE-2026-98856

In the Linux kernel, the following vulnerability has been resolved: kprobes: Skip disarmed probes when checking optkprobe overlap On x86, an optkprobe at A replaces five bytes with a jump. If a disabled probe B is at A+2, getoptimizedkprobe stops at B when arming a new probe C at A+4. It leaves A...

UBUNTU-CVE-2026-98454

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix create context out-of-bounds reads smb2parsecontexts validates the complete create-context area but does not limit each record to its Next field before dispatching it. A malformed chain can therefore expose bytes...

UBUNTU-CVE-2026-98739

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: Fix initial port reference race For RFCOMMRELEASEONHUP devices, rfcommttyinstall and rfcommreleasedev both use RFCOMMTTYOWNED to decide who drops the initial ttyport reference. The release path tests the bit...

UBUNTU-CVE-2026-98615

In the Linux kernel, the following vulnerability has been resolved: eth: fbnic: Set AWFLUSHMODE alongside AWFLUSH when flushing the mailbox When tearing down the FW mailbox Rx ring, fbnicmbxresetdescring writes AWCFG with FLUSH set and everything else, BME included, cleared. Clearing BME halts th...

UBUNTU-CVE-2026-98614

In the Linux kernel, the following vulnerability has been resolved: sctp: avoid livelock while updating retransmit path sctpassocupdateretranpath can loop forever when every remaining transport, including retranpath, is SCTPUNCONFIRMED: the state check runs before the wraparound test, so the loop...

UBUNTU-CVE-2026-98620

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: mtkethsoc: unregister netdevices in case of probe failure If registernetdev fails for one of the MTKMAXDEVS devices in mtkprobe, the error path jumps to errdeinitppe, skipping mtkunregdev. The previously registered...

UBUNTU-CVE-2026-98666

In the Linux kernel, the following vulnerability has been resolved: iio: gyro: adis16136: fix unprotected debugfs reads The serialnumber file operations are open coded and never call debugfsfileget, which debugfscreatefileunsafe requires. debugfsremoverecursive therefore does not wait for a read ...

UBUNTU-CVE-2026-98687

In the Linux kernel, the following vulnerability has been resolved: thunderbolt: Reject oversized XDomain properties responses tbxdppropertiesrequest allocates room for 45 data dwords in its 252-byte response buffer. The XDomain length field is six bits wide, however, and a malicious peer can set...

UBUNTU-CVE-2026-98707

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: shut down RX BA session timer on teardown Tearing down an RX BA session can leave the session timer queued on a freed tidrx. Later timer-wheel processing and the timer callback itself then run against freed memory...

UBUNTU-CVE-2026-98626

In the Linux kernel, the following vulnerability has been resolved: bpf: Restrict CO-RE poisoning to relocatable instructions CO-RE relocation records can name any instruction offset. When a relocation cannot be resolved, bpfcorepatchinsn currently poisons its target before checking whether that...

UBUNTU-CVE-2026-98644

In the Linux kernel, the following vulnerability has been resolved: bpf: Avoid soft lockup in htabmaplookupanddeletebatch htabmaplookupanddeletebatch has no rescheduling point. The batch count bounds how many entries are copied out, not how many buckets are visited, so one BPFMAPLOOKUPBATCH call...

UBUNTU-CVE-2026-98601

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btintelpcie: validate device-supplied DMA indices In btintelpciemsixrxhandle, the driver processes RX completion descriptors urbd1 written by the PCIe device into DMA-coherent memory. urbd1-frbdtag a 16-bit field fully...

UBUNTU-CVE-2026-98634

In the Linux kernel, the following vulnerability has been resolved: scsi: sdzbc: Reject disks with too many zones sdzbcreadzones computes the number of zones with 64-bit arithmetic and stores the result in the unsigned int nrzones field of struct zoneddiskinfo, silently truncating counts that...

UBUNTU-CVE-2026-98673

In the Linux kernel, the following vulnerability has been resolved: iio: adc: pac1934: check ACPI label duplication A label duplication failure currently reaches the terminating-byte write. Release the ACPI result and abort before accessing the missing label; earlier labels are managed by devres...

UBUNTU-CVE-2026-98703

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: minstrelht: validate fixed rate index The fixedrateidx debugfs file is a plain u32 attribute, so any value can be written to it. minstrelhtupdatestats then copies the value into mi-maxtprate and mi-maxprobrate, an...

UBUNTU-CVE-2026-98641

In the Linux kernel, the following vulnerability has been resolved: bpf, arm64: set up the frame pointer for the exception callback A program acting as exception boundary saves all callee-saved registers, so buildprologue takes the exceptioncb path and never calls pushcalleeregs. That is the only...

UBUNTU-CVE-2026-98686

In the Linux kernel, the following vulnerability has been resolved: smb: client: discard post-EOF pagecache when extending a file via zero range smb3zerorange removed the pagecache only for the range being zeroed, so when it extends the file the folio straddling the old EOF - which may hold data...

UBUNTU-CVE-2026-98470

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Don't WARN on an unknown VM ioctl in protected mode kvmpkvmioctlallowed WARNs when kvmgetcapforkvmioctl doesn't find the ioctl number in vmioctlcaps, and kvmarchvmioctl calls it for every number the generic code doesn...

UBUNTU-CVE-2026-98627

In the Linux kernel, the following vulnerability has been resolved: bpf: Preserve packet pointer class displacement in regsafe regsafe maps packet pointer IDs between states and checks that each current register range is a subset of the corresponding explored register range. It does not, however,...

UBUNTU-CVE-2026-98589

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject pkt arguments in mutating subprogs The verifier tracks changes in how PTRTOPACKET registers' bounds are modified across subprog boundaries. PTRTOPACKET registers are actually passed as PTRTOMEM, which is assumed valid...