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-2026-98607

In the Linux kernel, the following vulnerability has been resolved: drm/virtio: fix object leaks in virtiogpuresourcecreateblobioctl virtiogpuresourcecreateblobioctl calls drmgemobjectrelease on both the virtiogpuresourceassignuuid and drmgemhandlecreate error paths instead of dropping the...

UBUNTU-CVE-2026-98605

In the Linux kernel, the following vulnerability has been resolved: drm/bridge: samsung-dsim: fix TE GPIO lifetime for host attach When the Exynos DSI driver was generalized into samsung-dsim, the TE GPIO acquisition was switched from gpiodgetoptional to devmgpiodgetoptional while keeping the...

UBUNTU-CVE-2026-98539

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: use dinstantiatenew in ntfscreateinode and murder syzbot's "WARNING in donewmount" saga ntfscreateinode creates a new inode via ntfsnewinode. It hashes it with insertinodelocked and so it's marked as INEW until...

UBUNTU-CVE-2026-98538

In the Linux kernel, the following vulnerability has been resolved: writeback: bound cleanupofflinecgwb rescans by rotating scanned inodes cleanupofflinecgwb prepares at most WBMAXINODESPERISW inodes per call and is called again until the dying wb is drained, but every call walks wb-battached and...

UBUNTU-CVE-2026-98537

In the Linux kernel, the following vulnerability has been resolved: workqueue: Fix NULL currentpwq deref in flush dependency check checkflushdependency uses currentwqworker to determine whether the caller is a workqueue worker and then dereferences worker-currentpwq to test whether the current...

UBUNTU-CVE-2026-98541

In the Linux kernel, the following vulnerability has been resolved: fou: reject omitted FOUATTRIPPROTO on FOUENCAPDIRECT Commit 7a9bc9e3f423 "fou: Don't allow 0 for FOUATTRIPPROTO." added NLAPOLICYMINNLAU8, 1 to founlpolicyFOUATTRIPPROTO, which rejects an explicitly supplied FOUATTRIPPROTO == 0...

UBUNTU-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...

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-2026-98613

In the Linux kernel, the following vulnerability has been resolved: bpf: Bound ownership depth through local kptrs and graph roots Program-allocated objects can own other local objects through referenced kptrs. bpfobjfreefields follows those pointers through bpfobjdropimpl synchronously, before t...

UBUNTU-CVE-2026-98618

In the Linux kernel, the following vulnerability has been resolved: eth: fbnic: Handle maximum standalone channels Standalone channels use one NAPI vector for each Tx and Rx queue. fbnic's allocation path excludes FBNICMAXTXQS from that layout. A 64-Tx/64-Rx configuration therefore records 128...

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-2026-98617

In the Linux kernel, the following vulnerability has been resolved: eth: fbnic: use the Rx queue napi pointer to find the napi vector The queue management ndos pick the napi vector for an Rx queue with: nv = fbn-napiidx % fbn-numnapi; The issue is this is only correct in the cases where there are...

UBUNTU-CVE-2026-98631

In the Linux kernel, the following vulnerability has been resolved: xsk: Use a 32-bit compare in xskmapgenlookup xskmapgenlookup loads a u32 key and compares it with maxentries using BPFJMPIMM. BPF immediates are sign-extended to 64 bits, so a maxentries value of 0x80000000 or higher becomes a...

UBUNTU-CVE-2026-98636

In the Linux kernel, the following vulnerability has been resolved: squashfs: Add dictionary size range check to prevent shift-out-of-bounds When an abnormal SquashFS image COMPOPTS flag is 1 but dictionary size is 0 is mounted, and performs shift operations using dictionarysize, the shift expone...

UBUNTU-CVE-2026-98635

In the Linux kernel, the following vulnerability has been resolved: scsi: block: Fix zonescond out-of-bounds write on zone report blkrevalidatediskzones sizes the zonescond array from the disk capacity and zone size, but the index used by blkrevalidatezonecond comes from the device-driven...

UBUNTU-CVE-2026-98630

In the Linux kernel, the following vulnerability has been resolved: eth: fbnic: Fix payload page pool error cleanup The payload page pool pointer contains an error pointer when its allocation fails. The cleanup path passes that error pointer to pagepooldestroy instead of destroying the header pag...

UBUNTU-CVE-2026-98629

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsu32: fix manual hash table handle IDR aliasing A u32 hash table created with an explicit handle 'tc filter add ... handle 801: u32 divisor N' keys its IDR entry on the raw handle, while the destroy paths free it und...

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-2026-98633

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btnxpuart: Fix skb leak in nxpprocessfwdump When CONFIGDEVCOREDUMP=n, hcidevcdappend returns -EOPNOTSUPP without freeing its skb argument. This leaks the cloned skb and also prevents nxpsetindreset from being called to...