CVE-2026-98259 fs/dax: check zero or empty entry before converting xarray entry

In the Linux kernel, the following vulnerability has been resolved: fs/dax: check zero or empty entry before converting xarray entry Calling daxtofolio with empty entry causes kernel panic below when booting a VM with DAX enabled storage. This patch checks empty entry before calling daxtofolio on...

CVE-2026-98260 exec: Cleanup POSIX timers right after de_thread()

In the Linux kernel, the following vulnerability has been resolved: exec: Cleanup POSIX timers right after dethread A per-thread CPU timer holds a reference to the PID of the thread it is attached to and, while it is armed, its node is queued in that thread's posixcputimers. The task is looked up...

CVE-2026-98258 posix-cpu-timers: Prevent freeing a timer which is queued on the expiry list

In the Linux kernel, the following vulnerability has been resolved: posix-cpu-timers: Prevent freeing a timer which is queued on the expiry list Kijo analyzed another race in the POSIX CPU timer code: Commit bf635681c906 converted cputimer::firing from a tristate value to a boolean. This lost the...

CVE-2026-98256 signal: Prevent exec() race

In the Linux kernel, the following vulnerability has been resolved: signal: Prevent exec race Hyunwoo debugged the following KASAN UAF splat: BUG: KASAN: slab-use-after-free in sendsignallocked+0xb27/0xba0 Write of size 8 at addr ffff888007ed80c8 by task poc/79 ... Call Trace:...

CVE-2026-98257 rds: ib: use rds_conn_drop() on protocol version mismatch

In the Linux kernel, the following vulnerability has been resolved: rds: ib: use rdsconndrop on protocol version mismatch rdsibcmconnectcomplete runs from the RDMA-CM event handler with conn-ccmlock held. When the peer negotiates a protocol version older than RDSPROTOCOLCOMPATVERSION, the handler...

CVE-2026-98255 tcp: exclude old ACKs from tcp fast path

In the Linux kernel, the following vulnerability has been resolved: tcp: exclude old ACKs from tcp fast path Exclude old ACKs before SND.UNA from the tcp fast path as well as ACKs after SND.NXT. Such ACKs will fall through to the slow path, where tcpack performs the appropriate validation and...

CVE-2026-98254 swiotlb: use the adjusted address for the highmem page lookup

In the Linux kernel, the following vulnerability has been resolved: swiotlb: use the adjusted address for the highmem page lookup swiotlbbounce reads the page frame number from the slot's recorded origaddr, then advances origaddr by tlboffset to reach the address the caller asked about. The highm...

CVE-2026-98253 RDMA/ucma: Serialize join and leave on copy_to_user failure

In the Linux kernel, the following vulnerability has been resolved: RDMA/ucma: Serialize join and leave on copytouser failure rdmajoinmulticast queues RoCE work that later reads the ucmamulticast through event-param.ud.privatedata, then listadds the CMA multicast at the head of idpriv-mclist...

CVE-2026-98252 RDMA/core: fix refcount bug in iwpm_get_nlmsg_request()

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: fix refcount bug in iwpmgetnlmsgrequest iwpmgetnlmsgrequest initializes refcount after listaddtail making it accessible to global list where another CPU can krefget on nlmsgrequest causing a refcount "addition on 0" bu...

CVE-2026-98251 openvswitch: avoid reallocating confirmed conntrack labels

In the Linux kernel, the following vulnerability has been resolved: openvswitch: avoid reallocating confirmed conntrack labels ovsctgetconnlabels adds the labels extension when a conntrack entry does not have one. Confirmed conntracks can be read locklessly, so adding an extension may reallocate...

CVE-2026-98250 nfsd: fix handling of NFSEXP_PNFS in the netlink codepath

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix handling of NFSEXPPNFS in the netlink codepath The rework of how block layouts were checked moved the check for NFSEXPPNFS out of nfsd4setuplayouttype and into the callers. That patch didn't account for the new call in...

CVE-2026-98249 arm64: hibernate: pass HVC_SET_VECTORS args to the resume hvc

In the Linux kernel, the following vulnerability has been resolved: arm64: hibernate: pass HVCSETVECTORS args to the resume hvc swsusparchsuspendexit reinstalls the restored kernel's hyp stub vectors with an hvc, but never passes the arguments. x0 is not set to HVCSETVECTORS and x1 is not set to...

CVE-2026-98248 arm64: percpu: Fix LSE operations on {8,16}-bit types

In the Linux kernel, the following vulnerability has been resolved: arm64: percpu: Fix LSE operations on 8,16-bit types The assembly for percpunamecasesz and percpunamereturncasesz doesn't use the 'sfx' macro argument to form the LSE instruction. Without 'sfx', a W register argument will imply a...

CVE-2026-98247 Bluetooth: hci_codec: validate vendor codec count length

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcicodec: validate vendor codec count length The Read Local Supported Codecs parsers consume the variable-sized standard codec array before parsing the vendor codec count. Although the initial reply-size check includes...

CVE-2026-98246 Bluetooth: hci_sync: Serialize local codec list cleanup

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: Serialize local codec list cleanup hcidevclosesync clears hdev-localcodecs after releasing hdev-lock. Codec list additions and both traversals in scosockgetsockopt use that lock, but the close path does not. A...

CVE-2026-98245 btrfs: take commit root semaphore when iterating in mark_block_group_to_copy()

In the Linux kernel, the following vulnerability has been resolved: btrfs: take commit root semaphore when iterating in markblockgrouptocopy markblockgrouptocopy iterates over the commit root with skiplocking=true. A concurrent transaction commit can swap and free the commit root during iteration...

CVE-2026-98244 btrfs: clear free space tree creation state on rebuild failure

In the Linux kernel, the following vulnerability has been resolved: btrfs: clear free space tree creation state on rebuild failure btrfsrebuildfreespacetree sets BTRFSFSCREATINGFREESPACETREE before rebuilding the free space tree. Several error paths return without clearing this flag. The...

CVE-2026-98243 dma-buf/dma-fence: fix checking signaling bit for timeline and driver name v3

In the Linux kernel, the following vulnerability has been resolved: dma-buf/dma-fence: fix checking signaling bit for timeline and driver name v3 The patch "dma-buf: dma-fence: Fix potential NULL pointer dereference" changed the check to test for the ops pointer instead of the signaled bit to avo...

CVE-2026-98242 dma-buf: Fix silent overflow for phys vec to sgt

In the Linux kernel, the following vulnerability has been resolved: dma-buf: Fix silent overflow for phys vec to sgt In case MMIO size is bigger than 4G and peer2peer DMA goes through host bridge, we trigger a code path that assigns the total linked IOVA which is greater than 4G to mappedlen...

CVE-2026-98240 net: ip_tunnel: initialize `options_len` before referencing options

In the Linux kernel, the following vulnerability has been resolved: net: iptunnel: initialize optionslen before referencing options The following command triggers a kernel panic: ip link add d0 type dummy; ip link set d0 up ip route add 10.30.0.0/16 \ encap ip id 300 geneveopts 4660:66:11223344 d...

CVE-2026-98241 ipv6: xfrm: use full sockets in local error paths

In the Linux kernel, the following vulnerability has been resolved: ipv6: xfrm: use full sockets in local error paths xfrm6localrxpmtu and xfrm6localerror dereference skb-sk as if it always pointed at a full IPv6 socket. That is not guaranteed. TCP SYN-ACK skbs can be owned by a TCPNEWSYNRECV...

CVE-2026-98239 net: lan743x: fix RX checksum use-after-free

In the Linux kernel, the following vulnerability has been resolved: net: lan743x: fix RX checksum use-after-free lan743xrxprocessbuffer adds each non-first receive buffer to the head skb's fraglist. On the last descriptor, lan743xrxtrimskb linearizes the head and frees the fragment skb metadata...

CVE-2026-98238 net: wwan: t7xx: validate the netif index in t7xx_ccmni_recv_skb()

In the Linux kernel, the following vulnerability has been resolved: net: wwan: t7xx: validate the netif index in t7xxccmnirecvskb The netif index carried in the DPMAIF PIT header is five bits wide, but ccmniinst only has room for NICDEVMAX 21 entries. t7xxccmnirecvskb indexes the array without a...

CVE-2026-98237 net: wwan: mhi_wwan_mbim: guard against a cyclic NDP chain

In the Linux kernel, the following vulnerability has been resolved: net: wwan: mhiwwanmbim: guard against a cyclic NDP chain The NDP traversal in mhimbimrx only stops when wNextNdpIndex is zero. Nothing requires the offsets to advance, so a modem that points an NDP at itself, or at an earlier NDP...

CVE-2026-98236 net: wwan: mhi_wwan_mbim: check skb_copy_bits() return value

In the Linux kernel, the following vulnerability has been resolved: net: wwan: mhiwwanmbim: check skbcopybits return value mhimbimrx ignores the return value of skbcopybits when it copies each datagram out of the NTB. The datagram offset and length come from the DPE, which is only checked to lie...

CVE-2026-98234 net/sched: hhf: cap hh_flows_limit at change time

In the Linux kernel, the following vulnerability has been resolved: net/sched: hhf: cap hhflowslimit at change time hhfchange stores TCAHHFHHFLOWSLIMIT with no upper bound. A huge hhflowslimit lets each new heavy-hitter flow pass the hhflowscurrentcnt check in allocnewhh and forces a fixed-size...

CVE-2026-98235 net/sched: act_api: release tail references on DELACTION failure

In the Linux kernel, the following vulnerability has been resolved: net/sched: actapi: release tail references on DELACTION failure A batched RTMDELACTION request takes a temporary reference on each action before attempting any deletion. tcfactiondelete clears each processed slot and drops its...

CVE-2026-98233 net/packet: clear RX owner on VNET header error

In the Linux kernel, the following vulnerability has been resolved: net/packet: clear RX owner on VNET header error Commit 61fad6816fc1 "net/packet: tpacketrcv: avoid a producer race condition" added rxownermap and made tpacketrcv claim a V1 or V2 ring slot before converting the virtio-net header...

CVE-2026-98231 xfrm: serialize state GC with device state flush

In the Linux kernel, the following vulnerability has been resolved: xfrm: serialize state GC with device state flush The deferred-device pass in xfrmdevstateflush finds states under xfrmstatedevgclock, but drops the lock before calling xfrmdevstatefree because the driver callback may sleep. The...

CVE-2026-98232 scsi: core: Validate MODE SENSE lengths in scsi_cdl_enable()

In the Linux kernel, the following vulnerability has been resolved: scsi: core: Validate MODE SENSE lengths in scsicdlenable scsicdlenable uses length fields returned by MODE SENSE to locate the ATA feature mode page in a 64-byte stack buffer. A target can report a total length shorter than its...

CVE-2026-98230 xfrm: use hlist_del_init_rcu for state_cache and state_cache_input

In the Linux kernel, the following vulnerability has been resolved: xfrm: use hlistdelinitrcu for statecache and statecacheinput Commit 14acf9652e56 "xfrm: defensively unhash xfrmstate lists in xfrmstatedelete" converted bydst/bysrc/byseq/byspi from hlistdelrcu to hlistdelinitrcu so that a second...

CVE-2026-98229 xfrm: save input state data before secpath resets

In the Linux kernel, the following vulnerability has been resolved: xfrm: save input state data before secpath resets xfrminput stores the current xfrmstate in the skb secpath while it continues receive-side processing. Some input paths can reset that secpath before xfrminput has finished...

CVE-2026-98228 mips: select CONFIG_WEAK_REORDERING_BEYOND_LLSC from CONFIG_EYEQ

In the Linux kernel, the following vulnerability has been resolved: mips: select CONFIGWEAKREORDERINGBEYONDLLSC from CONFIGEYEQ On I6500 CPU cores, lld and scd give no ordering guarantees same as all other instructions. To respect the assumption that archcmpxchg is fully ordered, we must inject...

CVE-2026-98227 memstick: ms_block: destroy io_queue workqueue on removal

In the Linux kernel, the following vulnerability has been resolved: memstick: msblock: destroy ioqueue workqueue on removal msbinitdisk creates the per-card ordered workqueue msb-ioqueue with allocorderedworkqueue. It is torn down with destroyworkqueue only on the init error path; msbremove never...

CVE-2026-98226 mm, swap: fix SWAP_USAGE_OFFLIST_BIT collision with real usage count

In the Linux kernel, the following vulnerability has been resolved: mm, swap: fix SWAPUSAGEOFFLISTBIT collision with real usage count SWAPUSAGEOFFLISTBIT is embedded in the si-inusepages usage counter, and is meant to sit above any value that counter can reach. However, it is defined from...

CVE-2026-98225 mm/shrinker: fix bogus set_shrinker_bit() with cgroup.memory=nokmem

In the Linux kernel, the following vulnerability has been resolved: mm/shrinker: fix bogus setshrinkerbit with cgroup.memory=nokmem With cgroup.memory=nokmem, shrinkermemcgalloc bails out early and never allocates an id, so shrinker-id keeps the 0 it got from the kzalloc in shrinkeralloc...

CVE-2026-98224 mm/vma: correctly unaccount on mmap_prepare() failure

In the Linux kernel, the following vulnerability has been resolved: mm/vma: correctly unaccount on mmapprepare failure mmapsetup accounts memory for relevant mappings via: securityvmenoughmemorymm - vmenoughmemory - vmacctmemory If mmapsetup fails, this indicates that this accounting did not take...

CVE-2026-98223 mm: filemap: retain mapped dropbehind folios

In the Linux kernel, the following vulnerability has been resolved: mm: filemap: retain mapped dropbehind folios Fault-around can map ready dropbehind folios without going through the normal page-cache lookup that clears dropbehind. A mapping represents a competing cached user, so retain the foli...

CVE-2026-98222 KEYS: encrypted: fix integer overflow of datablob_len

In the Linux kernel, the following vulnerability has been resolved: KEYS: encrypted: fix integer overflow of databloblen encryptedkeyalloc stores databloblen in a u16. It is computed from multiple string and payload lengths. If the result exceeds U16MAX, the assignment truncates the allocation...

CVE-2026-98221 KEYS: trusted: Fix tpm2_load_cmd() boundary check

In the Linux kernel, the following vulnerability has been resolved: KEYS: trusted: Fix tpm2loadcmd boundary check tpm2loadcmd does boundary checks against the ASN.1 size i.e., payload-bloblen. Address this by passing the decoded blob size to tpm2loadcmd, and use it for the boundary checks...

CVE-2026-98220 sched_ext: Fix NULL sched deref in kfunc sub-sched error paths

In the Linux kernel, the following vulnerability has been resolved: schedext: Fix NULL sched deref in kfunc sub-sched error paths When the root scheduler has sub-scheds attached, the COMPAT kfunc wrappers scxbpfselectcpuand and scxbpfdsqinsertvtime refuse the call and report to @p's scheduler:...

CVE-2026-98219 sched_ext: Close the pre-enable ops error claim window

In the Linux kernel, the following vulnerability has been resolved: schedext: Close the pre-enable ops error claim window scxallocandaddsched publishes ops-priv before scxrootenableworkfn switches the state to SCXENABLING. An error claimed via scxbpferrorbstr from an associated BPF program in tha...

CVE-2026-98218 i2c: atr: fix dangling adapter pointer on add failure

In the Linux kernel, the following vulnerability has been resolved: i2c: atr: fix dangling adapter pointer on add failure i2catraddadapter stores atr-adapterchanid before i2caddadapter so that the I2C bus notifier can match child clients during registration. On failure the channel is freed but th...

CVE-2026-98217 IB/mlx4: Fix use-after-free on pkey sysfs registration failure

In the Linux kernel, the following vulnerability has been resolved: IB/mlx4: Fix use-after-free on pkey sysfs registration failure registerpkeytree ignores errors from registeronepkeytree and continues registering the remaining slaves. The per-slave error path has already released the pkey parent...

CVE-2026-98216 IB/hfi1: Fix the PIO_CRED credit-return mmap

In the Linux kernel, the following vulnerability has been resolved: IB/hfi1: Fix the PIOCRED credit-return mmap hfi1filemmap's PIOCRED case must hand user space the single credit-return page that holds this context's entry. That page is the second or third page of the per-node credit-return...

CVE-2026-98215 selinux: preserve user SID across nested backing files

In the Linux kernel, the following vulnerability has been resolved: selinux: preserve user SID across nested backing files SELinux saves the user file SID in a backing-file security blob so it remains available after mmap replaces vma-vmfile with a backing file. For nested backing files overlayfs...

CVE-2026-98214 selinux: recheck intermediate backing files on mprotect()

In the Linux kernel, the following vulnerability has been resolved: selinux: recheck intermediate backing files on mprotect mprotect can be used to bypass the SELinux checks that mmap performs against the intermediate layers of a stacked filesystem. mmap checks every backing layer as the request...

CVE-2026-98213 mmc: core: Cancel SDIO IRQ work before freeing host

In the Linux kernel, the following vulnerability has been resolved: mmc: core: Cancel SDIO IRQ work before freeing host A host controller that uses sdiosignalirq schedules host-sdioirqwork from its interrupt handler. That work is only cancelled on the suspend path mmcsdiosuspend, not on the...

CVE-2026-98212 mmc: hsq: Fix use-after-free in retry work

In the Linux kernel, the following vulnerability has been resolved: mmc: hsq: Fix use-after-free in retry work mmchsqpumprequests queues retrywork when requestatomic returns -EBUSY; today sdhci-sprd is the only consumer that implements requestatomic. The work is embedded in a devm-allocated mmchs...

CVE-2026-98211 mmc: mmci: Fix use-after-free in busy-timeout work

In the Linux kernel, the following vulnerability has been resolved: mmc: mmci: Fix use-after-free in busy-timeout work ux500busycomplete can queue ux500busytimeoutwork for an R1b command, but mmciremove never cancels it. The work can subsequently dereference the devm-allocated mmcihost after it h...