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Linux

20,706 known vulnerabilities.

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  • High 8.4

    i3c: master: adi: initialize the lock before enabling interrupts

    In the Linux kernel, the following vulnerability has been resolved: i3c: master: adi: initialize the lock before enabling interrupts adi_i3c_master_probe() requests the IRQ and unmasks REG_IRQ_PENDING_CMDR before the controller's IBI state, transfer queue lis…

  • High 7.8

    i3c: master: Fix info leak and UAF in device unregister path

    In the Linux kernel, the following vulnerability has been resolved: i3c: master: Fix info leak and UAF in device unregister path i3c_master_unregister_i3c_devs() clears i3cdev->dev->desc before calling device_unregister(). During device_unregister(), device_d…

  • High 7.8

    i3c: renesas: Check that the transfer is valid before accessing it

    In the Linux kernel, the following vulnerability has been resolved: i3c: renesas: Check that the transfer is valid before accessing it The Renesas I3C driver uses an asynchronous model to transfer data. It prepares a struct renesas_i3c_xfer, enqueues it, and …

  • High 7.8

    wifi: rtl8xxxu: fix use-after-free from rx_urb_wq on stop

    In the Linux kernel, the following vulnerability has been resolved: wifi: rtl8xxxu: fix use-after-free from rx_urb_wq on stop rtl8xxxu arms rx_urb_wq from the RX completion path: rtl8xxxu_rx_complete() hands the URB to rtl8xxxu_queue_rx_urb(), which queues it…

  • High 7.8

    wifi: mwifiex: Detach sync cmd buffer on interrupted wait

    In the Linux kernel, the following vulnerability has been resolved: wifi: mwifiex: Detach sync cmd buffer on interrupted wait mwifiex synchronous commands keep the caller-provided data buffer in cmd_node->data_buf. Several callers pass stack-allocated objects…

  • High 7.6

    wifi: rtlwifi: rtl8192du: check QoS TID before indexing tids

    In the Linux kernel, the following vulnerability has been resolved: wifi: rtlwifi: rtl8192du: check QoS TID before indexing tids rtl92du_tx_fill_desc() uses ieee80211_get_tid() to read the QoS TID from the 802.11 header and then uses it as an index into sta_e…

  • High 8.8

    wifi: mt76: mt7915: bound the device EEPROM address before the EFUSE copy

    In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7915: bound the device EEPROM address before the EFUSE copy mt7915_mcu_get_eeprom() copies a fixed EFUSE block into the driver's dev->mt76.eeprom.data buffer at the offset repor…

  • High 7.8

    wifi: mt76: mt7925: cancel mlo_pm_work on stop

    In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7925: cancel mlo_pm_work on stop mt7925 queues mlo_pm_work with a 5 second delay during multi-link power-save setup and never cancels it on the stop path. If the device is torn …

  • High 8.8

    wifi: mt76: mt7996: bound the device EEPROM address before the EFUSE copy

    In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7996: bound the device EEPROM address before the EFUSE copy mt7996_mcu_get_eeprom() derives the destination of the EFUSE/EXT block copy from the address reported by the MCU resp…

  • High 8.4

    vsock/virtio: flush works in dependency order

    In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: flush works in dependency order virtio_vsock_remove() stops the virtqueues and then flushes each work item before freeing the enclosing virtio_vsock. The current order does not …

  • High 7.8

    wifi: mt76: mt7996: validate default EEPROM firmware size

    In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7996: validate default EEPROM firmware size The default EEPROM firmware is parsed and copied as a full EEPROM without checking its length. A truncated file can make the driver r…

  • High 7.8

    w1: ds28e17: reject an oversize length on an I2C block read

    In the Linux kernel, the following vulnerability has been resolved: w1: ds28e17: reject an oversize length on an I2C block read w1_f19_i2c_master_transfer() is the master_xfer for the DS28E17 1-Wire to I2C bridge. On an I2C_M_RECV_LEN read, it takes the lengt…

  • High 7.8

    sysctl: move the "cad_pid" entry from pid_table[] to kern_reboot_table[]

    In the Linux kernel, the following vulnerability has been resolved: sysctl: move the "cad_pid" entry from pid_table[] to kern_reboot_table[] cad_pid is global, and kill_cad_pid() is only used in the root namespace. However, due to pid_table_root_permissions()…

  • High 7.8

    smack: fix cred UAF in smack_file_send_sigiotask()

    In the Linux kernel, the following vulnerability has been resolved: smack: fix cred UAF in smack_file_send_sigiotask() When inspecting the credentials of another task, objective credentials (->real_cred, accessed with __task_cred()) must always be used. Acces…

  • High 8.5

    Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability

    Use after free in Microsoft Edge (Chromium-based) allows an authorized attacker to execute code over a network.

  • High 7.0

    Gvfs: gvfs-admin socket ownership race permits local root

    A flaw was found in the admin backend of gvfs. The privileged gvfsd-admin daemon changes the ownership of newly created private D-Bus sockets by calling the link-following chown() function on a pathname inside a user-controlled directory. A local attacker can…

  • High 7.8

    Crun: crun: rootful krun with passt executes container payload as host root

    A flaw was found in crun. When crun is built with libkrun and a container is started rootful with passt networking (krun.use_passt), crun can execute attacker-controlled payload from the container image with host root privileges. The issue is a regression in …

  • High 8.1

    Freeipa: ipa: freeipa/idm: cross-site scripting vulnerability allows arbitrary code execution via crafted url

    A flaw was found in FreeIPA. An unauthenticated remote attacker could exploit a DOM Cross-Site Scripting (XSS) vulnerability in the FreeIPA/IdM Web UI password reset page. By enticing a victim to click a specially crafted link and complete a password reset, t…

  • High 7.5

    crypto: krb5 - use kfree_sensitive() for derived key buffers

    In the Linux kernel, the following vulnerability has been resolved: crypto: krb5 - use kfree_sensitive() for derived key buffers crypto_krb5_prepare_encryption() and crypto_krb5_prepare_checksum() free the buffer holding the freshly derived keys with plain kf…

  • High 8.8

    KVM: s390: vsie: zero stale crypto bits

    In the Linux kernel, the following vulnerability has been resolved: KVM: s390: vsie: zero stale crypto bits When shadowing crypto access bits from a format0 apcb (crycb 0 or 1), the bits 64..255 are unchanged from whatever is in the vsie page in the crycb and…

  • High 8.8
    CVE-2026-80914 Public exploit

    Bluetooth: ISO: fix use-after-free of listener socket in iso_conn_ready

    In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: fix use-after-free of listener socket in iso_conn_ready iso_conn_ready() looks up the BIS listener socket with iso_get_sock(), which takes a reference, and then, without re-ch…

  • High 7.5

    Sssd: sssd: idp authentication prefix comparison allows cross-user impersonation

    A flaw was found in SSSD's IdP authentication provider. The eval_access_token_buf() function compares the OIDC subject identifier using strncmp() with the authenticated user's identifier length, performing a prefix comparison instead of an exact match. An att…

  • High 8.8

    Bubblewrap: bubblewrap: symlink traversal via /oldroot allows writing files outside sandbox during setup

    A flaw was found in bubblewrap. During sandbox setup, creating files or directories under the new root can follow a parent symlink onto the host via /oldroot, writing attacker-chosen paths outside the sandbox as the launching user. This happens before the san…

  • High 8.5

    Libxml2: double-free/uaf in libxml2 python bindings

    A flaw was found in libxml2 with Python bindings enabled. A remote attacker could exploit this vulnerability by providing a specially crafted XML document containing a Document Type Definition (DTD) with enumerated attribute values. This triggers a double-fre…

  • High 7.2

    Pki-core: dogtag/pki: certprofile-import allows code execution via unsanitized profile content (externalprocessconstraint)

    A flaw was found in Dogtag PKI, as used by FreeIPA's certificate authority component. The certificate profile import functionality does not fully validate uploaded profile content beyond the profile ID. An authenticated user with CA Administrator privileges c…

  • High 8.4
    CVE-2026-19843 Public exploit

    389-ds-base: 389-ds-base: command injection via unescaped ldap dn in cockpit 389 console ldap editor

    A flaw was found in 389-ds-base. The Cockpit 389 Console's LDAP editor constructs an ldapsearch command by embedding an LDAP entry's distinguished name (DN) into a shell command string without proper escaping. An LDAP user with delegated privileges to create …

  • High 7.5

    389-ds-base: 389-ds-base: pre-authentication null pointer dereference via paged results and use_one_backend control in op_shared_search

    A flaw was found in 389 Directory Server. A missing NULL pointer check in the paged results handling of op_shared_search allows an unauthenticated remote attacker to crash the LDAP server by sending a crafted sequence of search requests using the USE_ONE_BACK…

  • High 7.5

    389-ds-base: 389-ds-base: heap buffer overflow via sasl wrapped-record length lower-bound underflow in sasl_io_start_packet()

    A heap buffer overflow flaw was found in the SASL I/O layer of 389 Directory Server (389-ds-base). In sasl_io_start_packet(), the wrapped-record length read from the wire is validated only against an upper bound. A small wire length (0, 1, or 2) produces an e…

  • High 7.5

    389-ds-base: 389-ds: anonymous ldap client can defeat selfdn aci bind-rule checks via empty bind dn

    A flaw was found in 389 Directory Server. The SELFDN ACI bind-rule evaluator incorrectly matches an anonymous LDAP client's empty bind DN against an empty stored attribute value, allowing an unauthenticated client to satisfy access control checks intended to …

  • High 8.1

    Freeipa: idm: freeipa: idp-add eval() reachable before authorization check allows environment disclosure and denial of service

    A flaw was found in FreeIPA's idp-add command, where insufficiently validated --organization/--base-url input reaches a constrained eval() call before the corresponding LDAP access control check is enforced. This allows any authenticated IPA principal, regard…

  • High 7.5

    Corosync: corosync: heap-based buffer overflow in totempg assembly buffer during fragmented message reassembly

    A heap-based buffer overflow was found in Corosync's Totem Process Group (totempg) message reassembly. When processing fragmented multicast messages, the buffer used to reassemble fragments lacks a runtime bounds check in release builds. A network-adjacent at…

  • High 7.6

    Libsoup: libsoup: heap use-after-free in libsoup http/2 client on_data_read() via goaway during body upload

    A flaw was found in libsoup. A malicious HTTP/2 server or a Man-in-the-Middle (MITM) attacker can exploit a heap use-after-free vulnerability in the HTTP/2 client implementation. This occurs when a GNOME application uploads a file using HTTP/2, and the server…

  • High 7.0

    Gfs2-utils: gfs2-utils: stack out-of-bounds write via unchecked height in savemeta

    A stack out-of-bounds write vulnerability was found in gfs2-utils. In savemeta, the height value from on-disk inode metadata is used as a loop bound without bounds checking, causing a stack buffer overflow that may lead to arbitrary code execution when proces…

  • High 7.0

    Gfs2-utils: gfs2-utils: stack out-of-bounds write via unchecked di_height in gfs2_edit

    A stack out-of-bounds write vulnerability was found in gfs2-utils. In gfs2_edit, the di_height field from on-disk inode metadata is used as an array index without bounds checking, causing a stack buffer overflow that may lead to arbitrary code execution when …

  • High 7.8

    util-linux libmount Privilege Escalation via Failed Mount Helper

    util-linux versions through 2.41.5 and 2.42.2 fail to check mount helper exit status before running post-mount hooks, allowing unprivileged users to execute privileged operations on pre-existing filesystems. Attackers can exploit X-mount.idmap or X-mount.owne…

  • High 7.5

    Gstreamer1-plugins-base: gstreamer: null/invalid-pointer dereference in gst_rtsp_message_parse_auth_credentials() when parsing a crafted digest authorization/www-authenticate header

    A NULL pointer dereference flaw was found in GStreamer's RTSP support library. The vulnerability occurs while parsing an Authorization or WWW-Authenticate header that uses Digest authentication. Specially crafted whitespace placement around a parameter's term…

  • High 7.8

    Input: synaptics-rmi4 - fix F55 transmitter electrode count typo

    In the Linux kernel, the following vulnerability has been resolved: Input: synaptics-rmi4 - fix F55 transmitter electrode count typo During F55 sensor detection, the transmitter (TX) electrode count was incorrectly assigned the value of the receiver (RX) elec…

  • High 8.4

    ovpn: run deferred work on a module-owned workqueue

    In the Linux kernel, the following vulnerability has been resolved: ovpn: run deferred work on a module-owned workqueue ovpn queues several work items whose callbacks execute module text. These works currently run on the global system workqueues, so module ex…

  • High 8.4

    Input: psxpad-spi - set driver data before use

    In the Linux kernel, the following vulnerability has been resolved: Input: psxpad-spi - set driver data before use psxpad_spi_suspend() retrieves the controller state with spi_get_drvdata(), but probe never stores it, so suspend dereferences a NULL pointer. S…

  • High 7.8

    pmdomain: mediatek: mfg: initialize prev_o in mtk_mfg_attach_dev()

    In the Linux kernel, the following vulnerability has been resolved: pmdomain: mediatek: mfg: initialize prev_o in mtk_mfg_attach_dev() mtk_mfg_attach_dev() reads prev_o on the first iteration of its loop, in "if (prev_o && prev_o->freq == o->freq)", before pr…