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Linux

20,703 known vulnerabilities.

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  • High 7.4

    powerpc/xive: propagate IPI init errors to prevent use-after-free

    In the Linux kernel, the following vulnerability has been resolved: powerpc/xive: propagate IPI init errors to prevent use-after-free When xive_init_ipis() fails (e.g. irq_domain_alloc_irqs() fails), the error path frees the global xive_ipis array. However, x…

  • High 7.8

    vxlan: mdb: Fix use-after-free in vxlan_mdb_flush()

    In the Linux kernel, the following vulnerability has been resolved: vxlan: mdb: Fix use-after-free in vxlan_mdb_flush() vxlan_mdb_flush() iterates over the MDB entries using hlist_for_each_entry_safe(), which only tolerates the removal of the current entry. C…

  • High 7.8

    LoongArch: Add DIRECT_MAP_PHYSMEM_END definition

    In the Linux kernel, the following vulnerability has been resolved: LoongArch: Add DIRECT_MAP_PHYSMEM_END definition get_free_mem_region() and mhp_get_pluggable_range() bound their search to DIRECT_MAP_PHYSMEM_END. LoongArch does not define it, so the fallbac…

  • High 7.1

    nfsd: add missing read barrier to rpc_status_get dumpit seqcount retry

    In the Linux kernel, the following vulnerability has been resolved: nfsd: add missing read barrier to rpc_status_get dumpit seqcount retry The hand-rolled seqcount-like protocol in nfsd_nl_rpc_status_get_dumpit() is missing a read memory barrier (smp_rmb) bef…

  • High 7.4

    phy: fsl-imx8mq-usb: fix typec switch leak on probe error path

    In the Linux kernel, the following vulnerability has been resolved: phy: fsl-imx8mq-usb: fix typec switch leak on probe error path If probe fails after imx95_usb_phy_get_tca() succeeds, the typec switch leaks because the only cleanup path was in .remove(), wh…

  • High 8.1

    svcrdma: Fix unmatched rn_unregister on failed accept

    In the Linux kernel, the following vulnerability has been resolved: svcrdma: Fix unmatched rn_unregister on failed accept When svc_rdma_accept() takes the errout path before rpcrdma_rn_register() has succeeded, the existing cleanup block calls rpcrdma_rn_unre…

  • High 8.1

    nfsd: convert nfsd_net boolean flags to unsigned long flags word

    In the Linux kernel, the following vulnerability has been resolved: nfsd: convert nfsd_net boolean flags to unsigned long flags word nfsd_net contains several boolean fields that are accessed from concurrent contexts without serialization. In particular, nfsd…

  • High 7.8

    Rpm: rpm: shell command injection via macro expansion of source/spec file basenames when installing a source rpm

    A command injection flaw was found in rpm. Installing or rebuilding a source RPM whose source or spec file basenames contain a %() macro construct causes rpm to execute an attacker-controlled shell command via popen() while relocating the source file list. Th…

  • High 7.8

    Rpm: code execution via macro expansion of manifest entries in `rpmgi` (`-q -p` / verify manifest flows)

    A flaw was found in rpm. An attacker can supply a crafted manifest file that, when processed by a user or automation using `rpm -q -p` or similar manifest-processing flows, leads to arbitrary code execution. This occurs because manifest entries are unexpected…

  • High 7.8

    Gimp: gimp: out-of-bounds write in gimpressionist plugin via crafted preset file

    A flaw was found in GIMP. When processing a specially crafted GIMPressionist preset file, the plug-in does not properly validate vector indices before writing into fixed-size arrays. This can lead to an out-of-bounds write, corrupting memory. An attacker coul…

  • High 7.8
    CVE-2026-96889 Public exploit

    Librsvg: use-after-free when xml includes have duplicated entities

    A flaw was found in librsvg. When processing an SVG document containing nested XML inclusions (Xincludes) with duplicate entity declarations, a use-after-free error can occur. This vulnerability arises because the library incorrectly frees an XML entity that …

  • High 7.5

    Gnome-remote-desktop: gnome-remote-desktop: unauthenticated rdp sockets lack a handshake deadline

    A denial-of-service flaw was found in gnome-remote-desktop. An unauthenticated remote attacker can open RDP connections without completing the handshake and retain the connection-throttling slots indefinitely because no pre-authentication handshake deadline i…

  • High 8.8

    Flatpak: flatpak: arbitrary write access as root via extra-data extraction

    A malicious or compromised Flatpak repository can write attacker-controlled content to arbitrary locations on the host filesystem via extract_extra_data(). On system installs, the write happens as root. Two issues combine: `files/extra` is resolved via path o…

  • High 7.8
    CVE-2026-96512 Public exploit

    Sudo: sudo: tz environment variable allows bypass of notbefore/notafter time-based authorization

    A flaw was found in sudo. When sudoers rules use NOTBEFORE or NOTAFTER time-based access restrictions with timestamps that omit the trailing 'Z' timezone indicator, the time evaluation relies on the TZ environment variable inherited from the calling user. Bec…

  • High 7.8

    Emacs: emacs: arbitrary code execution in flymake mode

    A code execution flaw was found in Emacs, affecting versions prior to 31.2. The Flymake mode using language backends other than Lisp would execute arbitrary code from the edited file while performing syntax checking. Viewing or editing untrusted files using E…

  • High 7.5

    Rpcbind: unbounded memory allocation in rpcbind statistics tracking allows unauthenticated remote denial of service

    A flaw was found in rpcbind. This vulnerability allows a remote, unauthenticated attacker to cause a Denial of Service (DoS) by sending a large number of unique requests. The rpcbind service records previously unseen RPC (Remote Procedure Call) statistics in …

  • High 7.7

    Gcc: libstdc++ integer overflow in `new` operator

    A flaw was found in libstdc++. An integer overflow can occur when processing large inputs to the aligned operator new in the C++ library. This vulnerability could lead to an undersized memory allocation, potentially causing memory corruption or application in…

  • High 7.4

    Libslirp: libslirp: heap buffer overflow in dhcpv6/tftp response builders on small interface mtu

    A heap-based buffer overflow was found in the DHCPv6 and TFTP response builders of libslirp. When the host is configured with a small interface MTU, a guest-supplied DHCPv6 CLIENTID option or TFTP blksize option can overflow the reply buffer with attacker-con…

  • High 8.1

    Pki-core: dogtag pki v2 rest acl filter's reverse-lexicographic tie-break lets a ca agent invoke the admin-only raw profile creation endpoint

    A flaw was found in pki-core. The v2 REST ACL filter selects a tie-breaking permission for colliding literal and wildcard ACL keys using lexicographic string comparison rather than specificity, causing a wildcard-mapped permission to override a more specific …

  • High 8.8

    Cri-o: cri-o checkpoint restore bypasses destination security context

    A vulnerability in CRI-O checkpoint restore allows a user who can create a pod from a malicious checkpointed container to bypass the destination Kubernetes security context. The restored process may retain credentials, Linux capabilities, no_new_privs, and se…

  • High 7.5

    Cockpit: cockpit: denial of service via unbounded connection thread spawning

    A flaw was found in Cockpit. An unauthenticated remote attacker can exploit this vulnerability by initiating and sustaining numerous simultaneous connections to the `cockpit-tls` service. This forces the service to create an unbounded number of detached threa…

  • High 8.2

    Qemu-kvm: vapic writable rom alias can escape the option-rom window and expose locked smram

    A flaw was found in QEMU. The VAPIC setup hypercall in hw/i386/vapic.c does not validate that the writable RAM alias remains within the option ROM window. A privileged guest user on a Q35/KVM machine can position this alias over locked SMRAM, bypassing chipse…

  • High 7.4

    Resteasy-core: resteasy: corsfilter reflects arbitrary origin with credentials under wildcard config

    A flaw was found in RESTEasy's CorsFilter, which, when configured to allow all origins ("*"), reflects the request's Origin header back in the Access-Control-Allow-Origin response together with Access-Control-Allow-Credentials: true. This permissive cross-ori…

  • High 7.5

    Resteasy-core: resteasy: iioimageprovider unbounded image decode (decompression-bomb dos)

    A flaw was found in RESTEasy's IIOImageProvider, which decodes attacker-supplied image request bodies without enforcing any limit on the declared image dimensions or pixel count. A remote, unauthenticated attacker can send a small crafted image declaring enor…

  • High 7.8

    Stack-based Buffer Overflow Vulnerability in Linux (uldaq)

    There is stack-based buffer overflow vulnerability recently discovered in MCC Universal Library for Linux (uldaq).  This may result in information disclosure or arbitrary code execution. This vulnerability affects MCC Universal Library for Linux (uldaq) v1.2.…

  • High 7.1

    batman-adv: bla: avoid CRC corruption due to parallel claim add

    In the Linux kernel, the following vulnerability has been resolved: batman-adv: bla: avoid CRC corruption due to parallel claim add batadv_bla_add_claim() is used to add claims and modify the backbone of claims for CLAIM frames from remote backbones and local…

  • High 7.8

    dm-pcache: validate seg_id fields from persistent memory

    In the Linux kernel, the following vulnerability has been resolved: dm-pcache: validate seg_id fields from persistent memory cache_pos_decode(), cache_key_decode() and the last-kset branches of cache_replay(), the writeback worker and the GC worker take a cac…

  • High 8.4

    nvdimm: virtio_pmem: refcount requests for token lifetime

    In the Linux kernel, the following vulnerability has been resolved: nvdimm: virtio_pmem: refcount requests for token lifetime KASAN reports slab-use-after-free in __wake_up_common(): BUG: KASAN: slab-use-after-free in __wake_up_common+0x114/0x160 Read of size…

  • High 7.8

    drm/v3d: Clear queue->active_job when v3d_fence_create() fails

    In the Linux kernel, the following vulnerability has been resolved: drm/v3d: Clear queue->active_job when v3d_fence_create() fails The run_job() callbacks for BIN, RENDER, TFU and CSD assign the incoming job to queue->active_job before calling v3d_fence_creat…

  • High 8.8

    HID: core: quiesce input in hid_hw_stop() to prevent use-after-free

    In the Linux kernel, the following vulnerability has been resolved: HID: core: quiesce input in hid_hw_stop() to prevent use-after-free A driver's probe calls hid_device_io_start() to enable input delivery, then fails at a later initialization step and unwind…

  • High 8.4

    platform/chrome: cros_ec_typec: Reject out-of-bounds PD cap count

    In the Linux kernel, the following vulnerability has been resolved: platform/chrome: cros_ec_typec: Reject out-of-bounds PD cap count cros_typec_register_partner_pdos() copies the partner PDOs from the EC TYPEC_STATUS response into the fixed caps_desc.pdo[PDO…

  • High 7.1

    drm/amdgpu/pm/powerplay: bounds-check voltage index in SMU7 lookup

    In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/pm/powerplay: bounds-check voltage index in SMU7 lookup vddInd and vddcInd fields from VBIOS-parsed tables are used to index into voltage lookup tables without a bounds check. Retu…

  • High 7.3

    drm/amdgpu/pm/powerplay: bounds-check voltage index in Vega10 lookup

    In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/pm/powerplay: bounds-check voltage index in Vega10 lookup vddInd, vddciInd and mvddInd from VBIOS-parsed tables index into vddc, vddci and vddmem lookup tables without bounds check…

  • High 7.0

    drm/amd/display: Fix dangling pointer in plane reset function

    In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix dangling pointer in plane reset function amdgpu_dm_plane_drm_plane_reset() frees the old state before allocating a new one. If kzalloc() fails, the function returns witho…

  • High 7.8

    drm/amd/display: Fix dangling pointer in CRTC reset function

    In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix dangling pointer in CRTC reset function amdgpu_dm_crtc_reset_state() frees the old state before allocating a new one. If kzalloc() fails, the function returns without upd…

  • High 7.8

    dmaengine: xilinx_dma: Fix channel idle state management in AXIDMA and MCDMA interrupt handlers

    In the Linux kernel, the following vulnerability has been resolved: dmaengine: xilinx_dma: Fix channel idle state management in AXIDMA and MCDMA interrupt handlers Fix a race condition in AXIDMA and MCDMA irq handlers where the channel could be incorrectly ma…

  • High 7.7

    platform/chrome: sensorhub: Fix memory overread in ring handler

    In the Linux kernel, the following vulnerability has been resolved: platform/chrome: sensorhub: Fix memory overread in ring handler `max_response` and `sensor_num` are read from different EC commands: - `max_response` is from cros_ec_get_proto_info(). ec_dev-…

  • High 7.8

    RDMA/irdma: Add refcounting to user ring MRs

    In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Add refcounting to user ring MRs Prevent userspace from deregistering the MRs that back QP/CQ/SRQ rings by bumping the MR's refcount upon association.

  • High 7.5

    nvmet-rdma: fix response resource leak on queue teardown

    In the Linux kernel, the following vulnerability has been resolved: nvmet-rdma: fix response resource leak on queue teardown When an nvme target with rdma transport is removed while I/Os are in flight, a response can be posted but its send completion is never…

  • High 7.8

    bpf: Reject MEM_ALLOC BTF accesses past object bounds

    In the Linux kernel, the following vulnerability has been resolved: bpf: Reject MEM_ALLOC BTF accesses past object bounds BTF struct walks relax the struct-size check for accesses through a trailing flexible array. That is valid for ordinary BTF type walking,…