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Linux

20,703 known vulnerabilities.

20,703 results · Feed

  • Unscored —

    drm/amd/display: use kvzalloc to allocate struct dc

    In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: use kvzalloc to allocate struct dc struct dc has grown large over time (most of it the two inlined dc_scratch_space copies) and now sits close to the page allocator's 4 MiB c…

  • Unscored —

    LoongArch: Fix address space mismatch in kexec command line lookup

    In the Linux kernel, the following vulnerability has been resolved: LoongArch: Fix address space mismatch in kexec command line lookup When searching the loaded segments for the "kexec" command line marker, the kexec_load(2) path (file_mode == 0) passes the u…

  • Unscored —

    serial: 8250_mid: Fix NULL function pointer dereference on DNV/ICX-D/SNR platforms

    In the Linux kernel, the following vulnerability has been resolved: serial: 8250_mid: Fix NULL function pointer dereference on DNV/ICX-D/SNR platforms Commit b1b4efea05a5 ("serial: 8250_mid: Disable DMA for selected platforms") replaced the dnv_board setup an…

  • High 8.6

    libceph: bound get_version reply decode to front len

    In the Linux kernel, the following vulnerability has been resolved: libceph: bound get_version reply decode to front len handle_get_version_reply() uses msg->front_alloc_len as the decode boundary for MON_GET_VERSION_REPLY. That is the size of the reused repl…

  • High 8.8

    vxlan: require CAP_NET_ADMIN in the device netns for changelink

    In the Linux kernel, the following vulnerability has been resolved: vxlan: require CAP_NET_ADMIN in the device netns for changelink A tunnel changelink() operates on at most two netns, dev_net(dev) and the sticky underlay netns vxlan->net. They differ once th…

  • Critical 9.1

    ksmbd: validate minimum PDU size for transform requests

    In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate minimum PDU size for transform requests The receive path applies the minimum SMB2 PDU size check only when ProtocolId is SMB2_PROTO_NUMBER. A packet carrying SMB2_TRANSFORM_PR…

  • Unscored —

    drm/amdgpu/gfx8: drop unecessary BUG_ON()

    In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/gfx8: drop unecessary BUG_ON() There's no need to crash the kernel for this case. (cherry picked from commit 4d7c25208ca612b754f3bf39e9f16e725b828891)

  • Unscored —

    drm/dp_mst: Handle torn-down topology gracefully in drm_dp_mst_topology_queue_probe()

    In the Linux kernel, the following vulnerability has been resolved: drm/dp_mst: Handle torn-down topology gracefully in drm_dp_mst_topology_queue_probe() A hotplug or link-loss event can tear down the MST topology (setting mgr->mst_state = false and mgr->mst_…

  • High 8.2

    Freeipa: ipa: freeipa: trust-fetch-domains uses trust-read aci to gate a privileged ad trust refresh, allowing unauthorized ldap writes

    A flaw was found in FreeIPA. The trust-fetch-domains command is gated by a read-only permission on the trust object rather than a trust-administration permission, allowing an authenticated, non-privileged IPA user to trigger a privileged Active Directory trus…

  • High 7.2

    Azure Monitor Agent Elevation of Privilege Vulnerability

    Improper neutralization of special elements used in a command ('command injection') in Azure Monitor Agent allows an authorized attacker to elevate privileges over a network.

  • Medium 5.3

    Undertow-core: undertow:http request smuggling via oversized chunk-size bit overlap

    A flaw was found in the ChunkReader component of the Undertow HTTP server, which is used by WildFly and JBoss EAP to handle chunked transfer encoding. The issue occurs because the parser uses a single internal variable to store both the remaining chunk size a…

  • High 8.8

    Dbi: incomplete fix for cve-2026-14380 dbi: arbitrary code execution via caller-influenced profile attribute

    A flaw was found in DBI. This is a fix for a partial fix for CVE-2026-14380 for RHEL 9.8.z and 10.2.z. For a detailed Statement, Description and Mitigation please reffer to the original https://access.redhat.com/security/cve/cve-2026-19546.

  • Medium 5.3

    Iperf3: unbounded peer-controlled allocation in iperf3 json_read() allows unauthenticated remote memory exhaustion

    A flaw was found in iperf3. A remote unauthenticated attacker can exploit a vulnerability in the `JSON_read()` function, which accepts a peer-controlled message length and allocates memory without an upper bound. This allows the attacker to trigger excessive …

  • High 7.5
    CVE-2026-71217 Public exploit

    Iperf3: iperf3 server accepts unbounded peer-controlled json parameters enabling remote denial of service via resource exhaustion

    A flaw was found in iperf3. A remote attacker can exploit this vulnerability by sending crafted control-channel JSON with oversized numeric parameters, such as `parallel` and `len`, which are not properly validated by the server. This improper input validatio…

  • High 7.8

    Kbd: local privilege escalation in openvt via incorrect process owner verification allowing passwordless root login

    `openvt -u` is intended to identify the owner of the current VT and then execute `login` as that user from a privileged context. In the documented `kbrequest`/init usage, the ownership test in `authenticate_user()` relies on `stat("/proc/<pid>/fd/0")`. `stat(…

  • High 7.1

    Mrtg: mrtg daemon symlink-following chown allows local privilege escalation via pid file path manipulation

    A flaw was found in MRTG. When the MRTG daemon is started as a root user and subsequently drops privileges, a local, low-privileged attacker can exploit a symbolic link (symlink) following vulnerability. By influencing or pre-placing a symlink in the process …

  • Medium 6.5

    Insights-core: insights-core: incomplete credential redaction exposes sssd bind passwords and pacemaker fence credentials in uploaded archives

    A flaw was found in insights-core where the password redaction layer fails to recognize credentials not keyed under the literal string 'password'. This allows SSSD LDAP bind passwords (ldap_default_authtok) and Pacemaker fence device credentials to be include…

  • Medium 4.4

    Qemu-kvm: vhost inflight migration vmstate integer type mismatch causes out-of-bounds access

    A type mismatch vulnerability was found in QEMU's vhost inflight migration VMState handling. The destination buffer size is stored as a uint64_t but read by the VMS_VBUFFER load path as a signed int32_t. On little-endian hosts, a crafted incoming migration st…

  • Low 3.9

    Shim/dp.c library: null-pointer dereference in is_removable_media_path() when devicepathtostr() returns null

    A NULL pointer vulnerability has been found in the the shim application of dp.c library. A missing NULL pointer could allow attackers to perform a denial of service attack on a system that uses shim application for UEFI bootloader.

  • High 7.8

    Libvirt: swtpm privilege escalation via symlink following

    A flaw was found in libvirt. A local attacker, specifically a process running as the confined `swtpm` user, could exploit a symlink-following vulnerability in the `virFileChownFiles()` function. By planting a symbolic link within the `swtpm` state directory, …

  • High 7.3

    Gimp: gimp: multiple vulnerabilities in file format plugins via crafted image file

    A flaw was found in GIMP's file format plugins, including those for PSD and PAA files. A remote attacker could exploit these vulnerabilities by tricking a user into opening a specially crafted image file. This could lead to unexpected application behavior or …

  • Medium 5.5

    Libvirt: information disclosure via world-readable storage volume images during clone/convert

    A flaw was found in libvirt. During storage volume clone or convert operations, newly created volume images were temporarily world-readable. This was caused by the `qemu-img` utility running with overly permissive file creation settings, allowing any local us…

  • High 8.4

    Gimp: gimp: arbitrary code execution in psd plugin due to unsigned underflow

    A flaw was found in GIMP's PSD file format plugin. This vulnerability, an unsigned integer underflow in the `block_rem` variable, occurs when a user opens a specially crafted `.psd` image file. The underflow leads to parser confusion, enabling an attacker to …

  • Unscored —

    KVM: x86/mmu: Fix use-after-free on vendor module reload

    In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Fix use-after-free on vendor module reload mmu_destroy_caches() destroys pte_list_desc_cache and mmu_page_header_cache, but leaves both pointers unchanged. The pointers live in …

  • High 7.8

    gpu: host1x: Fix use-after-free in host1x_bo_clear_cached_mappings

    In the Linux kernel, the following vulnerability has been resolved: gpu: host1x: Fix use-after-free in host1x_bo_clear_cached_mappings __host1x_bo_unpin() drops the last reference to the mapping and frees it, so we can't dereference mapping afterwards. The ca…

  • Critical 9.8

    xfrm: fix stale skb->prev after async crypto steals a GSO segment

    In the Linux kernel, the following vulnerability has been resolved: xfrm: fix stale skb->prev after async crypto steals a GSO segment skb_gso_segment() leaves the segment list head with ->prev pointing at the last segment, an invariant validate_xmit_skb_list(…

  • High 7.1

    IB/mad: Drop unmatched RMPP responses before reassembly

    In the Linux kernel, the following vulnerability has been resolved: IB/mad: Drop unmatched RMPP responses before reassembly Kernel-handled RMPP receive processing starts reassembly for active DATA responses before the response is matched to an outstanding sen…

  • Unscored —

    mtd: virt_concat: fix use-after-free in mtd_virt_concat_destroy_joins()

    In the Linux kernel, the following vulnerability has been resolved: mtd: virt_concat: fix use-after-free in mtd_virt_concat_destroy_joins() mtd_concat_destroy() frees item->concat so calling mtd_virt_concat_put_mtd_devices(item->concat) leads to a use after f…

  • Unscored —

    mtd: virt_concat: fix use-after-free in mtd_virt_concat_destroy()

    In the Linux kernel, the following vulnerability has been resolved: mtd: virt_concat: fix use-after-free in mtd_virt_concat_destroy() mtd_concat_destroy() frees item->concat so calling mtd_virt_concat_put_mtd_devices(item->concat) after that leads to a use-af…

  • Unscored —

    btrfs: fix root leak if its reloc root is unexpected in merge_reloc_roots()

    In the Linux kernel, the following vulnerability has been resolved: btrfs: fix root leak if its reloc root is unexpected in merge_reloc_roots() If we have an unexpected reloc_root for our root, we jump to the out label but never drop the reference we obtained…

  • Unscored —

    sched_ext: Don't warn on core-sched forced idle in put_prev_task_scx()

    In the Linux kernel, the following vulnerability has been resolved: sched_ext: Don't warn on core-sched forced idle in put_prev_task_scx() put_prev_task_scx() warns when a runnable task drops to a lower sched_class without SCX_OPS_ENQ_LAST, on the assumption …

  • High 7.1

    xfrm: reject optional IPTFS templates in outbound policies

    In the Linux kernel, the following vulnerability has been resolved: xfrm: reject optional IPTFS templates in outbound policies syzbot reported a stack-out-of-bounds read in xfrm_state_find() which flows from xfrm_tmpl_resolve_one(). Commit 3d776e31c841 ("xfrm…

  • High 7.8

    RDMA/irdma: Prevent rereg_mr for non-mem regions

    In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Prevent rereg_mr for non-mem regions When a QP/CQ/SRQ is created, a two step process is used where the buffer is allocated in userspace and explicitly registered with the normal r…

  • Unscored —

    RDMA/irdma: Prevent user-triggered null deref on QP create

    In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Prevent user-triggered null deref on QP create Previously, the user QP creation path would only attempt to populate iwqp->iwpbl if the user-provided req.user_wqe_bufs field was no…

  • High 7.8

    RDMA/siw: publish QP after initialization

    In the Linux kernel, the following vulnerability has been resolved: RDMA/siw: publish QP after initialization siw_create_qp() currently calls siw_qp_add() before the queues, CQ pointers, state, completion, and device list entry are ready. A QPN lookup can the…

  • Unscored —

    mtd: fix double free and WARN_ON in add_mtd_device() error paths

    In the Linux kernel, the following vulnerability has been resolved: mtd: fix double free and WARN_ON in add_mtd_device() error paths When device_register() or mtd_nvmem_add() fails inside add_mtd_device() for a partition, the error handling triggers mtd_relea…

  • High 7.8

    xfrm: clear mode callbacks after failed mode setup

    In the Linux kernel, the following vulnerability has been resolved: xfrm: clear mode callbacks after failed mode setup xfrm_state_gc_task can run long after a failed IPTFS state setup. In the reproduced case, __xfrm_init_state() cached x->mode_cbs, IPTFS setu…

  • High 7.5

    wifi: cfg80211: cancel sched scan results work on unregister

    In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: cancel sched scan results work on unregister cfg80211_sched_scan_results() can queue rdev->sched_scan_res_wk from a driver result notification while a scheduled scan request i…

  • Unscored —

    wifi: ipw2100: fix potential memory leak in ipw2100_pci_init_one()

    In the Linux kernel, the following vulnerability has been resolved: wifi: ipw2100: fix potential memory leak in ipw2100_pci_init_one() The memory allocated in the ipw2100_alloc_device() function is not freed in some of the error paths in ipw2100_pci_init_one(…

  • Unscored —

    wifi: cfg80211: Fix an error handling path in cfg80211_wext_siwscan()

    In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: Fix an error handling path in cfg80211_wext_siwscan() If the test against IEEE80211_MAX_SSID_LEN fails, then 'creq' leaks. Use the existing error handling path to fix it.