373552 matches found
CVE-2026-63950 mm/rmap: initialize nr_pages to 1 at loop start in try_to_unmap_one
In the Linux kernel, the following vulnerability has been resolved: mm/rmap: initialize nrpages to 1 at loop start in trytounmapone Initialize nrpages to 1 at the start of each loop iteration, like folioreferencedone does. Without this, nrpages computed by a previous foliounmapptebatch call can b...
CVE-2026-63949 auxdisplay: line-display: fix OOB read on zero-length message_store()
In the Linux kernel, the following vulnerability has been resolved: auxdisplay: line-display: fix OOB read on zero-length messagestore linedispdisplay unconditionally reads msgcount - 1 before checking whether count is zero, so a write of zero bytes to the message sysfs attribute hits msg-1:...
CVE-2026-63948 Bluetooth: L2CAP: fix chan ref leak in l2cap_chan_timeout() on !conn
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: fix chan ref leak in l2capchantimeout on !conn setchantimer takes a l2capchan reference via l2capchanhold before scheduling the delayed work. The normal path in l2capchantimeout drops this reference with...
CVE-2026-63947 Bluetooth: HIDP: fix missing length checks in hidp_input_report()
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: HIDP: fix missing length checks in hidpinputreport hidpinputreport reads keyboard and mouse payload data from an skb without first verifying that skb-len contains enough data. hidprecvintrframe pulls the 1-byte HIDP...
CVE-2026-63946 Bluetooth: ISO: fix UAF in iso_recv_frame
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: fix UAF in isorecvframe isorecvframe reads conn-sk under isoconnlock but releases the lock before using sk, with no reference held. A concurrent isosockkill can free sk in that window, causing use-after-free on...
CVE-2026-63945 Bluetooth: ISO: serialize iso_sock_clear_timer with socket lock
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: serialize isosockcleartimer with socket lock isosockclose calls isosockcleartimer before acquiring locksocksk. isosockcleartimer reads isopisk-conn twice without the socket lock held: if !isopisk-conn return;...
CVE-2026-63944 Bluetooth: hci_sync: fix UAF in hci_le_create_cis_sync
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: fix UAF in hcilecreatecissync hcilecreatecissync dereferences conn-conntimeout after releasing both rcureadlock and hcidevlockhdev. The conn pointer was obtained from an RCU-protected iteration over...
CVE-2026-63943 Input: xpad - fix out-of-bounds access for Share button
In the Linux kernel, the following vulnerability has been resolved: Input: xpad - fix out-of-bounds access for Share button xpadoneprocesspacket receives len directly from urb-actuallength and uses it to index the share-button byte at datalen - 18 or datalen - 26. Since both len and data0 are und...
CVE-2026-63941 KVM: arm64: Correctly cap ZCR_EL2 provided by a guest hypervisor
In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Correctly cap ZCREL2 provided by a guest hypervisor ZCREL2 can be updated by a VHE guest hypervisor either using ZCREL2 which traps or ZCREL1 which does not trap. KVM handles both in different way: - on ZCREL2 trap,...
CVE-2026-63942 parport: Fix race between port and client registration
In the Linux kernel, the following vulnerability has been resolved: parport: Fix race between port and client registration The parport subsystem registers port devices before they are fully initialised, resulting in a race condition where client drivers such as lp can attach to ports that are not...
CVE-2026-63940 KVM: SEV: Ignore Port I/O requests of length '0'
In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Ignore Port I/O requests of length '0' Explicitly ignore Port I/O requests of length '0' or count '0', so that setting up the software scratch area and other code doesn't have to worry about underflowing the length, and...
CVE-2026-63938 KVM: SEV: Check PSC request indices against the actual size of the buffer
In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Check PSC request indices against the actual size of the buffer When processing Page State Change PSC requests, validate the PSC buffer against the effective size of the scratch area, which could be less than the maximu...
CVE-2026-63939 KVM: SEV: Compute the correct max length of the in-GHCB scratch area
In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Compute the correct max length of the in-GHCB scratch area When setting the length of the GHCB scratch area, and the area is in the GHCB shared buffer, set the effective length of the scratch area to the max possible si...
CVE-2026-63937 KVM: SEV: Use READ_ONCE() when reading entries/indices from PSC buffer
In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Use READONCE when reading entries/indices from PSC buffer Use READONCE when reading entries/indices from the guest-accessible Page State Change buffer to defend against TOCTOU bugs. Don't bother with READONCE/WRITEONCE...
CVE-2026-63936 iio: adc: mt6359: fix unchecked return value in mt6358_read_imp
In the Linux kernel, the following vulnerability has been resolved: iio: adc: mt6359: fix unchecked return value in mt6358readimp In mt6358readimp, the variable valv is passed to regmapread but the return value is not checked. If the read fails, valv remains uninitialized and its random stack...
CVE-2026-63935 iio: adc: nxp-sar-adc: fix division by zero in write_raw
In the Linux kernel, the following vulnerability has been resolved: iio: adc: nxp-sar-adc: fix division by zero in writeraw Add a validation check for the sampling frequency value before using it as a divisor. A user writing zero or a negative value to the samplingfrequency sysfs attribute trigge...
CVE-2026-63934 iio: gyro: itg3200: fix i2c read into the wrong stack location
In the Linux kernel, the following vulnerability has been resolved: iio: gyro: itg3200: fix i2c read into the wrong stack location itg3200readallchannels takes be16 buf' as a parameter and fills the i2cmsg destination as char &buf'. Since buf' is the parameter a pointer, &buf' is the address of t...
CVE-2026-63933 iio: gyro: adis16260: fix division by zero in write_raw
In the Linux kernel, the following vulnerability has been resolved: iio: gyro: adis16260: fix division by zero in writeraw Add a validation check for the sampling frequency value before using it as a divisor. A user writing zero to the samplingfrequency sysfs attribute triggers a division by zero...
CVE-2026-63932 iio: chemical: mhz19b: reject oversized serial replies
In the Linux kernel, the following vulnerability has been resolved: iio: chemical: mhz19b: reject oversized serial replies mhz19breceivebuf appends each serdev chunk into the fixed MHZ19BCMDSIZE receive buffer and advances bufidx by len without checking that the chunk fits in the remaining space....
CVE-2026-63931 iio: chemical: scd30: fix division by zero in write_raw
In the Linux kernel, the following vulnerability has been resolved: iio: chemical: scd30: fix division by zero in writeraw Add a zero check for val2 before using it as a divisor when setting the sampling frequency. A user writing a zero fractional part to the samplingfrequency sysfs attribute...
CVE-2026-63930 iio: buffer: hw-consumer: fix use-after-free in error path
In the Linux kernel, the following vulnerability has been resolved: iio: buffer: hw-consumer: fix use-after-free in error path In the errputbuffers cleanup path of iiohwconsumeralloc, the code was using listforeachentry to iterate through buffers while calling iiobufferput which can free the...
CVE-2026-63929 iio: buffer: Fix DMA fence leak in iio_buffer_enqueue_dmabuf()
In the Linux kernel, the following vulnerability has been resolved: iio: buffer: Fix DMA fence leak in iiobufferenqueuedmabuf iiobufferenqueuedmabuf allocates a struct iiodmafence 104 bytes, kmalloc-128 via kmallocobj+dmafenceinit, which sets the initial kref to 1. It then calls dmaresvaddfence...
CVE-2026-63928 USB: serial: omninet: fix memory corruption with small endpoint
In the Linux kernel, the following vulnerability has been resolved: USB: serial: omninet: fix memory corruption with small endpoint Make sure that the bulk-out buffers are at least as large as the hardcoded transfer size to avoid user-controlled slab corruption should a malicious device report a...
CVE-2026-63926 bpf: sockmap: fix tail fragment offset in bpf_msg_push_data
In the Linux kernel, the following vulnerability has been resolved: bpf: sockmap: fix tail fragment offset in bpfmsgpushdata When bpfmsgpushdata inserts data in the middle of a scatterlist entry, it splits the original entry into a left fragment and a right fragment. The right fragment offset is...
CVE-2026-63927 usb: dwc2: Fix use after free in debug code
In the Linux kernel, the following vulnerability has been resolved: usb: dwc2: Fix use after free in debug code We're not allowed to dereference "urb" after calling usbhcdgivebackurb so save the urb-status ahead of time...
CVE-2026-63925 macsec: fix replay protection at XPN lower-PN wrap
In the Linux kernel, the following vulnerability has been resolved: macsec: fix replay protection at XPN lower-PN wrap In macsecpostdecrypt, when pn is U32MAX, pn + 1 overflows u32 to 0 and the first branch never fires. If nextpnhalves.lower is also in the upper half, pnsamehalfpn, lower is true...
CVE-2026-63924 ipv6: exthdrs: refresh nh pointer after ipv6_hop_jumbo()
In the Linux kernel, the following vulnerability has been resolved: ipv6: exthdrs: refresh nh pointer after ipv6hopjumbo ipv6hopjumbo calls pskbtrimrcsum, which can change skb pointers. Let's recompute nh pointer to make sure any change won't mess things up...
CVE-2026-63922 ipv6: exthdrs: refresh nh after handling HAO option
In the Linux kernel, the following vulnerability has been resolved: ipv6: exthdrs: refresh nh after handling HAO option ip6parsetlv caches skbnetworkheaderskb in nh while walking IPv6 TLVs. ipv6desthao may call pskbexpandhead for a cloned skb, which can move the skb head and invalidate the cached...
CVE-2026-63923 octeontx2-af: validate body pcifunc in rvu_mbox_handler_rep_event_notify
In the Linux kernel, the following vulnerability has been resolved: octeontx2-af: validate body pcifunc in rvumboxhandlerrepeventnotify rvumboxhandlerrepeventnotify in drivers/net/ethernet/marvell/ octeontx2/af/rvurep.c queues a sender-controlled REPEVENTNOTIFY request body verbatim, and...
CVE-2026-63921 ip6: vti: Use ip6_tnl.net in vti6_siocdevprivate().
In the Linux kernel, the following vulnerability has been resolved: ip6: vti: Use ip6tnl.net in vti6siocdevprivate. After patch 1/2 in this series, vti6update unlinks and relinks the tunnel through t-net. vti6siocdevprivate still uses devnetdev for the collision lookup. For a tunnel moved through...
CVE-2026-63920 ipv6: validate extension header length before copying to cmsg
In the Linux kernel, the following vulnerability has been resolved: ipv6: validate extension header length before copying to cmsg ip6datagramrecvspecificctl builds IPV6HOPOPTS,DSTOPTS,RTHDR cmsgs and their IPV62292 legacy counterparts by trusting the on-wire hdrlen byte ptr1 when computing the...
CVE-2026-63919 xfrm: input: hold netns during deferred transport reinjection
In the Linux kernel, the following vulnerability has been resolved: xfrm: input: hold netns during deferred transport reinjection Transport-mode reinjection stores a struct net pointer in skb-cb and uses it later from xfrmtransreinject. That pointer must stay valid until the deferred callback run...
CVE-2026-63918 l2tp: use refcount_inc_not_zero in l2tp_session_get_by_ifname
In the Linux kernel, the following vulnerability has been resolved: l2tp: use refcountincnotzero in l2tpsessiongetbyifname A reader in l2tpsessiongetbyifname can return a pointer to a session whose refcount has reached zero. The getter takes its reference with plain refcountinc, but every other...
CVE-2026-63917 ip6: vti: Use ip6_tnl.net in vti6_changelink().
In the Linux kernel, the following vulnerability has been resolved: ip6: vti: Use ip6tnl.net in vti6changelink. ip netns add ns1 ip netns add ns2 ip -n ns1 link add vti6test type vti6 remote ::1 local ::2 key 7 ip -n ns1 link set vti6test netns ns2 ip -n ns2 link set vti6test type vti6 remote ::3...
CVE-2026-63916 HID: wacom: Fix OOB write in wacom_hid_set_device_mode()
In the Linux kernel, the following vulnerability has been resolved: HID: wacom: Fix OOB write in wacomhidsetdevicemode wacomhidsetdevicemode currently assumes that the HIDDGINPUTMODE usage is always located in the first field field0 of the feature report. However, a device can specify...
CVE-2026-63915 nfc: hci: fix out-of-bounds read in HCP header parsing
In the Linux kernel, the following vulnerability has been resolved: nfc: hci: fix out-of-bounds read in HCP header parsing Both nfchcirecvfromllc and ncihcidatareceivedcb read packet-header from skb-data at function entry without first checking that the buffer holds at least one byte. A malicious...
CVE-2026-63914 xfrm: route MIGRATE notifications to caller's netns
In the Linux kernel, the following vulnerability has been resolved: xfrm: route MIGRATE notifications to caller's netns xfrmsendmigrate in net/xfrm/xfrmuser.c and pfkeysendmigrate in net/key/afkey.c both hardcode &initnet for the multicast that announces a successful XFRMMSGMIGRATE / SADBXMIGRATE...
CVE-2026-63912 xfrm: esp: restore combined single-frag length gate
In the Linux kernel, the following vulnerability has been resolved: xfrm: esp: restore combined single-frag length gate The ESP out-of-place fast path appends the trailer in espoutputhead before espoutputtail allocates the destination page frag. The head-side gate currently checks skb-datalen and...
CVE-2026-63913 netfilter: conntrack: tcp: do not force CLOSE on invalid-seq RST without direction check
In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: tcp: do not force CLOSE on invalid-seq RST without direction check An unintended behavior in the TCP conntrack state machine allows a connection to be forced into the CLOSE state using an RST packet with an...
CVE-2026-63911 xfrm: iptfs: reset runtime state when cloning SAs
In the Linux kernel, the following vulnerability has been resolved: xfrm: iptfs: reset runtime state when cloning SAs iptfsclonestate clones the IPTFS mode data with kmemdup. This copies runtime objects which must not be shared with the original SA, including the embedded skbuffhead, hrtimers,...
CVE-2026-63910 dma-buf: fix UAF in dma_buf_fd() tracepoint
In the Linux kernel, the following vulnerability has been resolved: dma-buf: fix UAF in dmabuffd tracepoint Once FDADD returns, the fd is live in the file descriptor table and a thread sharing that table can close it before DMABUFTRACE runs. The close drops the last reference, fput frees the...
CVE-2026-63909 ksmbd: OOB read regression in smb_check_perm_dacl() ACE-walk loops
In the Linux kernel, the following vulnerability has been resolved: ksmbd: OOB read regression in smbcheckpermdacl ACE-walk loops Commit d07b26f39246 "ksmbd: require minimum ACE size in smbcheckpermdacl" introduced a transposed bounds check: if offsetofstruct smbace, sid + acessize size offset 2...
CVE-2026-63908 Input: atmel_mxt_ts - fix boundary check in mxt_prepare_cfg_mem
In the Linux kernel, the following vulnerability has been resolved: Input: atmelmxtts - fix boundary check in mxtpreparecfgmem When a configuration file provides an object size that is larger than the driver's known mxtobjsizeobject, the driver intends to discard the extra bytes. The loop iterate...
CVE-2026-63907 uio: uio_pci_generic_sva: fix double free of devm_kzalloc() memory
In the Linux kernel, the following vulnerability has been resolved: uio: uiopcigenericsva: fix double free of devmkzalloc memory uiopcisva allocates struct uiopcisvadev with devmkzalloc in probe, but then calls kfreeudev both on the probe error path label outfree and again in remove. Because...
CVE-2026-63905 usbip: vudc: Fix use after free bug in vudc_remove due to race condition
In the Linux kernel, the following vulnerability has been resolved: usbip: vudc: Fix use after free bug in vudcremove due to race condition This patch follows up Zheng Wang's 2023 report of a use-after-free in vudcremove. The original thread stalled on Shuah Khan's request for runtime testing of...
CVE-2026-63906 usb: musb: omap2430: Fix use-after-free in omap2430_probe()
In the Linux kernel, the following vulnerability has been resolved: usb: musb: omap2430: Fix use-after-free in omap2430probe In omap2430probe, ofnodeputnp is called prematurely before the last access to np, leading to a use-after-free if the node's reference count drops to zero. Move the ofnodepu...
CVE-2026-63904 usb: usbtmc: check URB actual_length for interrupt-IN notifications
In the Linux kernel, the following vulnerability has been resolved: usb: usbtmc: check URB actuallength for interrupt-IN notifications USBTMC devices can use an optional interrupt endpoint for notification messages. These typically contain two-byte headers indicating the payload format, but the...
CVE-2026-63902 USB: serial: cypress_m8: validate interrupt packet headers
In the Linux kernel, the following vulnerability has been resolved: USB: serial: cypressm8: validate interrupt packet headers cypressreadintcallback parses the interrupt-in buffer according to the selected Cypress packet format. Format 1 has a two-byte status/count header and format 2 has a...
CVE-2026-63903 USB: serial: belkin_sa: validate interrupt status length
In the Linux kernel, the following vulnerability has been resolved: USB: serial: belkinsa: validate interrupt status length The Belkin interrupt callback treats interrupt data as a four-byte status report and reads LSR/MSR fields at offsets 2 and 3. The interrupt-in buffer length is derived from...
CVE-2026-63901 USB: serial: digi_acceleport: fix memory corruption with small endpoints
In the Linux kernel, the following vulnerability has been resolved: USB: serial: digiacceleport: fix memory corruption with small endpoints Add the missing bulk-out buffer size sanity checks to avoid out-of-bounds memory accesses or slab corruption should a malicious device report smaller buffers...