CVE-2026-64006 netfilter: nf_tables: fix dst corruption in same register operation

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: fix dst corruption in same register operation For lshift and rshift, the shift operations are performed in a loop over 32-bit words. The loop calculates the shifted value and write it to dst, and then...

CVE-2026-64005 net/smc: Do not re-initialize smc hashtables

In the Linux kernel, the following vulnerability has been resolved: net/smc: Do not re-initialize smc hashtables INITHLISTHEAD&smcvhashinfo.ht are called after smcnlinit, protoregister and sockregister. This can lead to smcvhashinfo.ht being reset even though hash entries already exist and are...

CVE-2026-64003 scsi: core: Run queues for all non-SDEV_DEL devices from scsi_run_host_queues

In the Linux kernel, the following vulnerability has been resolved: scsi: core: Run queues for all non-SDEVDEL devices from scsirunhostqueues While a SCSI host is in a recovery state, scsimqrequeuecmd will not set the requeue list for a requeued command to be kicked in the future. The expectation...

CVE-2026-64004 net/iucv: fix locking in .getsockopt

In the Linux kernel, the following vulnerability has been resolved: net/iucv: fix locking in .getsockopt Mirror iucvsocksetsockopt and wrap the whole switch in locksock/releasesock. The pre-existing SOMSGLIMIT-only lock becomes redundant and is removed. Any AFIUCV HIPER user can potentially crash...

CVE-2026-64002 ipv4: free net->ipv4.sysctl_local_reserved_ports after unregister_net_sysctl_table()

In the Linux kernel, the following vulnerability has been resolved: ipv4: free net-ipv4.sysctllocalreservedports after unregisternetsysctltable ipv4sysctlexitnet is currently freeing net-ipv4.sysctllocalreservedports too soon. Only after unregisternetsysctltable we can be sure no threads can...

CVE-2026-64000 net: hsr: fix potential OOB access in supervision frame handling

In the Linux kernel, the following vulnerability has been resolved: net: hsr: fix potential OOB access in supervision frame handling Ensure the entire TLV header is linearized before access by adding sizeofstruct hsrsuptlv to the pskbmaypull calls. Without this, a truncated frame could cause an...

CVE-2026-64001 ALSA: pcm: oss: Fix setup list UAF on proc write error

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: oss: Fix setup list UAF on proc write error sndpcmossprocwrite links a newly allocated setup entry into the OSS setup list before duplicating the task name. If the task-name allocation fails, the error path frees the...

CVE-2026-63999 ethtool: rss: fix indir_table and hkey leak on get_rxfh failure

In the Linux kernel, the following vulnerability has been resolved: ethtool: rss: fix indirtable and hkey leak on getrxfh failure rssprepareget allocates the indirection table and hash key buffer via rssgetdataalloc, then calls ops-getrxfh to populate them. If getrxfh fails, the function returns ...

CVE-2026-63998 ethtool: module: call ethnl_ops_complete() on module flash errors

In the Linux kernel, the following vulnerability has been resolved: ethtool: module: call ethnlopscomplete on module flash errors When validate fails we are skipping over ethnlopscomplete even tho we already called ethnlopsbegin...

CVE-2026-63997 ethtool: module: avoid leaking a netdev ref on module flash errors

In the Linux kernel, the following vulnerability has been resolved: ethtool: module: avoid leaking a netdev ref on module flash errors moduleflashfwschedule is missing undo for setting the "inprogress" flag and taking the netdev reference. Delay taking these, the device can't disappear while we a...

CVE-2026-63996 ethtool: cmis: require exact CDB reply length

In the Linux kernel, the following vulnerability has been resolved: ethtool: cmis: require exact CDB reply length Malicious SFP module could respond with rpllen longer than what cmiscdbprocessreply expected, leading to OOB writes. Malicious HW is a bit theoretical but some modules may just be bug...

CVE-2026-63995 ethtool: cmis: validate start_cmd_payload_size from module

In the Linux kernel, the following vulnerability has been resolved: ethtool: cmis: validate startcmdpayloadsize from module The CMIS firmware update code reads startcmdpayloadsize from the module's FW Management Features CDB reply and uses it directly as the byte count for memcpy. The destination...

CVE-2026-63994 tunnels: load network headers after skb_cow() in iptunnel_pmtud_build_icmp[v6]()

In the Linux kernel, the following vulnerability has been resolved: tunnels: load network headers after skbcow in iptunnelpmtudbuildicmpv6 Sashiko found that iptunnelpmtudbuildicmp and iptunnelpmtudbuildicmpv6 were caching iphdr and ipv6hdr before an skbcow call which can reallocate skb-head. Fix...

CVE-2026-63993 vxlan: do not reuse cached ip_hdr() value after skb_tunnel_check_pmtu()

In the Linux kernel, the following vulnerability has been resolved: vxlan: do not reuse cached iphdr value after skbtunnelcheckpmtu skbtunnelcheckpmtu can change skb-head. Reusing oldiph afer skbtunnelcheckpmtu can cause an UAF. Use instead iphdrskb as done in drivers/net/bareudp.c and...

CVE-2026-63992 tunnels: do not assume transport header in iptunnel_pmtud_check_icmp()

In the Linux kernel, the following vulnerability has been resolved: tunnels: do not assume transport header in iptunnelpmtudcheckicmp In some cases, iptunnelpmtudcheckicmp can be called while skb transport header is not set. This triggers an out-of-bound access, because typeofskb-transportheader0...

CVE-2026-63990 bonding: refuse to enslave CAN devices

In the Linux kernel, the following vulnerability has been resolved: bonding: refuse to enslave CAN devices syzbot reported a kernel paging request crash in canrxunregister inside net/can/afcan.c. The crash occurs because a virtual CAN device vxcan is being enslaved to a bonding master. During the...

CVE-2026-63991 Bluetooth: 6lowpan: check skb_clone() return value in send_mcast_pkt()

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: 6lowpan: check skbclone return value in sendmcastpkt The skbclone function can return NULL if memory allocation fails. sendmcastpkt calls skbclone without checking the return value, which can lead to a NULL pointer...

CVE-2026-63989 bridge: Fix sleep in atomic context in netlink path

In the Linux kernel, the following vulnerability has been resolved: bridge: Fix sleep in atomic context in netlink path Since the introduction of the netlink configuration path for bridge ports in commit 25c71c75ac87 "bridge: bridge port parameters over netlink", brsetport was always called with...

CVE-2026-63988 bridge: Fix sleep in atomic context in sysfs path

In the Linux kernel, the following vulnerability has been resolved: bridge: Fix sleep in atomic context in sysfs path Since the start of the git history, brportstore always acquired the bridge lock. Back then this decision made sense: The bridge lock protects the STP state of the bridge and its...

CVE-2026-63986 ethtool: tsinfo: don't pass ERR_PTR to genlmsg_cancel on prepare failure

In the Linux kernel, the following vulnerability has been resolved: ethtool: tsinfo: don't pass ERRPTR to genlmsgcancel on prepare failure The goto err label leads to: genlmsgcancelskb, ehdr; return ret; If ethnltsinfopreparedump failed, it has not started a genlmsg. There's nothing to cancel, an...

CVE-2026-63987 ethtool: coalesce: cap profile updates at NET_DIM_PARAMS_NUM_PROFILES

In the Linux kernel, the following vulnerability has been resolved: ethtool: coalesce: cap profile updates at NETDIMPARAMSNUMPROFILES ethnlupdateprofile walks the ETHTOOLAPROFILEIRQMODERATION nest list with an index 'i' and writes newprofilei++ without bounding i. The destination is kmemdup'd at...

CVE-2026-63985 ethtool: eeprom: add more safeties to EEPROM Netlink fallback

In the Linux kernel, the following vulnerability has been resolved: ethtool: eeprom: add more safeties to EEPROM Netlink fallback The Netlink fallback path for reading module EEPROM fallbacksetparams validates that offset totallen return -EINVAL; This could lead to surprises in both drivers and...

CVE-2026-63984 ipv6: rpl: fix hdrlen overflow in ipv6_rpl_srh_decompress()

In the Linux kernel, the following vulnerability has been resolved: ipv6: rpl: fix hdrlen overflow in ipv6rplsrhdecompress ipv6rplsrhdecompress computes: outhdr-hdrlen = n + 1 sizeofstruct in6addr 3; hdrlen is u8. For n = 127 the result exceeds 255 and silently truncates. With n=127 cmpri=15,...

CVE-2026-63983 net/sched: fix packet loop on netem when duplicate is on

In the Linux kernel, the following vulnerability has been resolved: net/sched: fix packet loop on netem when duplicate is on When netem duplicates a packet it re-enqueues the copy at the root qdisc. If another netem sits in the tree the copy can be duplicated again, recursing until the stack or...

CVE-2026-63982 net/sched: Fix ethx:ingress -> ethy:egress -> ethx:ingress mirred loop

In the Linux kernel, the following vulnerability has been resolved: net/sched: Fix ethx:ingress - ethy:egress - ethx:ingress mirred loop When mirred redirects to ingress from either ingress or egress the loop state from schedmirreddev array dev is lost because of 1 the packet deferral into the...

CVE-2026-63981 net/sched: act_mirred: Fix blockcast recursion bypass leading to stack overflow

In the Linux kernel, the following vulnerability has been resolved: net/sched: actmirred: Fix blockcast recursion bypass leading to stack overflow tcfmirredact checks schedmirrednest against MIRREDNESTLIMIT 4 to prevent deep recursion. However, when the action uses blockcast tcfmblockid != 0, the...

CVE-2026-63979 net/handshake: hand off the pinned file reference to accept_doit

In the Linux kernel, the following vulnerability has been resolved: net/handshake: hand off the pinned file reference to acceptdoit handshakereqnext removes the request from the per-net pending list and drops hnlock before handshakenlacceptdoit reads req-hrsk-sksocket and dereferences sock-file...

CVE-2026-63980 net/handshake: Use spin_lock_bh for hn_lock

In the Linux kernel, the following vulnerability has been resolved: net/handshake: Use spinlockbh for hnlock nvmettcpstatechange, a socket callback that runs in BH context, can reach handshakereqcancel via nvmettcpschedulereleasequeue and tlshandshakecancel. handshakereqcancel acquires hn-hnlock...

CVE-2026-63978 net/handshake: Drain pending requests at net namespace exit

In the Linux kernel, the following vulnerability has been resolved: net/handshake: Drain pending requests at net namespace exit The arguments to listspliceinit in handshakenetexit are reversed. The call moves the local empty "requests" list onto hn-hnrequests, leaving the local list empty, so the...

CVE-2026-63976 Bluetooth: l2cap: clear chan->ident on ECRED reconfiguration success

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: l2cap: clear chan-ident on ECRED reconfiguration success l2capecredreconfrsp returns early on success without clearing chan-ident. Every other L2CAP response handler l2capecredconnrsp, l2capleconnectrsp, l2capconfigrsp...

CVE-2026-63977 dpll: zl3073x: use __dpll_device_change_ntf() and remove change_work

In the Linux kernel, the following vulnerability has been resolved: dpll: zl3073x: use dplldevicechangentf and remove changework The changework was introduced to send device change notifications from DPLL device callbacks without deadlocking on dplllock, since the callbacks are already invoked...

CVE-2026-63975 Bluetooth: L2CAP: Fix possible crash on l2cap_ecred_conn_rsp

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix possible crash on l2capecredconnrsp If dcid is received for an already-assigned destination CID the spec requires that both channels to be discarded, but calling l2capchandel may invalidate the tmp cursor...

CVE-2026-63973 net: mana: Add NULL guards in teardown path to prevent panic on attach failure

In the Linux kernel, the following vulnerability has been resolved: net: mana: Add NULL guards in teardown path to prevent panic on attach failure When queue allocation fails partway through, the error cleanup frees and NULLs apc-txqp and apc-rxqs. Multiple teardown paths such as manaremove,...

CVE-2026-63974 Bluetooth: hci_sync: Set HCI_CMD_DRAIN_WORKQUEUE during device close

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: Set HCICMDDRAINWORKQUEUE during device close Since hcidevclosesync can now be called during the reset path, we should also set HCICMDDRAINWORKQUEUE. This avoids queuing timeouts while the hdev workqueue is bei...

CVE-2026-63972 net: mana: Skip redundant detach on already-detached port

In the Linux kernel, the following vulnerability has been resolved: net: mana: Skip redundant detach on already-detached port When manaperportqueueresetworkhandler runs after a previous detach succeeded but attach failed, the port is left in a detached state with apc-txqp and apc-rxqs already...

CVE-2026-63970 vsock/virtio: bind uarg before filling zerocopy skb

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: bind uarg before filling zerocopy skb virtiotransportsendpktinfo allocates or reuses the zerocopy uarg before entering the send loop, but virtiotransportallocskb still fills the skb before it inherits that uarg. Whe...

CVE-2026-63971 sctp: fix race between sctp_wait_for_connect and peeloff

In the Linux kernel, the following vulnerability has been resolved: sctp: fix race between sctpwaitforconnect and peeloff sctpwaitforconnect drops and re-acquires the socket lock while waiting for the association to reach ESTABLISHED state. During this window, another thread can peeloff the...

CVE-2026-63969 ipv6: fix possible infinite loop in rt6_fill_node()

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix possible infinite loop in rt6fillnode Sashiko reported this issue 1. Apply the same fix as commit f8d8ce1b515a "ipv6: fix possible infinite loop in fib6infousesdev". Writers holding tb6lock can listdelrcu&rt-fib6sibling...

CVE-2026-63968 ipv6: fix possible infinite loop in fib6_select_path()

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix possible infinite loop in fib6selectpath Found while auditing the same pattern Sashiko reported in rt6fillnode 1. Apply the same fix as commit f8d8ce1b515a "ipv6: fix possible infinite loop in fib6infousesdev". Writers...

CVE-2026-63966 iio: imu: adis16550: fix stack leak in trigger handler

In the Linux kernel, the following vulnerability has been resolved: iio: imu: adis16550: fix stack leak in trigger handler adis16550triggerhandler declares the scan data array on the stack without initializing it. The memcpy at the bottom fills only the first 28 bytes TEMP + 6 channels of...

CVE-2026-63967 iio: imu: st_lsm6dsx: fix stack leak in tagged FIFO buffer

In the Linux kernel, the following vulnerability has been resolved: iio: imu: stlsm6dsx: fix stack leak in tagged FIFO buffer The tagged FIFO path declares iiobuff on the stack with aligned8 but no initializer, but there is a hole in the structure, which will then leak to userspace as...

CVE-2026-63965 iio: pressure: bmp280: fix stack leak in bmp580 trigger handler

In the Linux kernel, the following vulnerability has been resolved: iio: pressure: bmp280: fix stack leak in bmp580 trigger handler bmp580triggerhandler declares its scan buffer on the stack without an initializer and then memcpys 3 bytes of 24-bit sensor data into each 4-byte le32 field. The hig...

CVE-2026-63964 usb: typec: ucsi: ccg: reject firmware images without a ':' record header

In the Linux kernel, the following vulnerability has been resolved: usb: typec: ucsi: ccg: reject firmware images without a ':' record header doflash locates the first .cyacd record with p = strnchrfw-data, fw-size, ':'; while p eof s = strnchrp + 1, eof - p - 1, ':'; ... If the firmware image...

CVE-2026-63963 usb: typec: tcpm: validate VDO count in Discover Identity ACK handlers

In the Linux kernel, the following vulnerability has been resolved: usb: typec: tcpm: validate VDO count in Discover Identity ACK handlers Properly validate the count passed from a device when calling svdmconsumeidentity or svdmconsumeidentitysopprime as the device-controlled value could index of...

CVE-2026-63962 usb: typec: tcpm: bound altmode_desc[] per iteration in svdm_consume_modes()

In the Linux kernel, the following vulnerability has been resolved: usb: typec: tcpm: bound altmodedesc per iteration in svdmconsumemodes svdmconsumemodes checks pmdata-altmodes against the array size once before the loop over the count, but forgot to check the bound at every point in the loop. I...

CVE-2026-63960 usb: typec: wcove: don't write past struct pd_message in wcove_read_rx_buffer()

In the Linux kernel, the following vulnerability has been resolved: usb: typec: wcove: don't write past struct pdmessage in wcovereadrxbuffer wcovereadrxbuffer copies the PD RX FIFO into the caller's struct pdmessage with for i = 0; i regmap, USBCRXDATA + i, msg + i; which has two problems:...

CVE-2026-63961 usb: typec: altmodes/displayport: validate count before reading Status Update VDO

In the Linux kernel, the following vulnerability has been resolved: usb: typec: altmodes/displayport: validate count before reading Status Update VDO A broken/malicious device can send the incorrect count for a status update VDO, which will cause the kernel to read uninitialized stack data and se...

CVE-2026-63959 usb: typec: tcpm/tcpci_maxim: validate header NDO against RX_BYTE_CNT

In the Linux kernel, the following vulnerability has been resolved: usb: typec: tcpm/tcpcimaxim: validate header NDO against RXBYTECNT A broken/malicious port can transmit a CRC-valid frame whose header advertises up to seven data objects but whose body carries fewer than that. Check for this, an...

CVE-2026-63958 usb: typec: ucsi: validate connector number in ucsi_connector_change()

In the Linux kernel, the following vulnerability has been resolved: usb: typec: ucsi: validate connector number in ucsiconnectorchange The connector number in a UCSI CCI notification is a 7-bit field supplied by the PPM. ucsiconnectorchange uses it to index the ucsi-connector array without checki...

CVE-2026-63957 USB: serial: safe_serial: fix memory corruption with small endpoint

In the Linux kernel, the following vulnerability has been resolved: USB: serial: safeserial: fix memory corruption with small endpoint Make sure that the bulk-out buffer size is at least eight bytes to avoid user-controlled slab corruption in "safe" mode should a malicious device report a smaller...