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Linux

20,706 known vulnerabilities.

20,706 results · Feed

  • High 7.5

    net/mlx5e: Fix race condition during IPSec ESN update

    In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix race condition during IPSec ESN update In IPSec full offload mode, the device reports an ESN (Extended Sequence Number) wrap event to the driver. The driver validates this even…

  • Unscored —

    udp_tunnel: fix NULL deref caused by udp_sock_create6 when CONFIG_IPV6=n

    In the Linux kernel, the following vulnerability has been resolved: udp_tunnel: fix NULL deref caused by udp_sock_create6 when CONFIG_IPV6=n When CONFIG_IPV6 is disabled, the udp_sock_create6() function returns 0 (success) without actually creating a socket. …

  • High 7.8

    net: shaper: protect late read accesses to the hierarchy

    In the Linux kernel, the following vulnerability has been resolved: net: shaper: protect late read accesses to the hierarchy We look up a netdev during prep of Netlink ops (pre- callbacks) and take a ref to it. Then later in the body of the callback we take i…

  • Unscored —

    net: mvpp2: guard flow control update with global_tx_fc in buffer switching

    In the Linux kernel, the following vulnerability has been resolved: net: mvpp2: guard flow control update with global_tx_fc in buffer switching mvpp2_bm_switch_buffers() unconditionally calls mvpp2_bm_pool_update_priv_fc() when switching between per-cpu and s…

  • Unscored —

    net: shaper: protect from late creation of hierarchy

    In the Linux kernel, the following vulnerability has been resolved: net: shaper: protect from late creation of hierarchy We look up a netdev during prep of Netlink ops (pre- callbacks) and take a ref to it. Then later in the body of the callback we take its l…

  • Unscored —

    perf/x86: Move event pointer setup earlier in x86_pmu_enable()

    In the Linux kernel, the following vulnerability has been resolved: perf/x86: Move event pointer setup earlier in x86_pmu_enable() A production AMD EPYC system crashed with a NULL pointer dereference in the PMU NMI handler: BUG: kernel NULL pointer dereferenc…

  • High 7.1

    mtd: rawnand: serialize lock/unlock against other NAND operations

    In the Linux kernel, the following vulnerability has been resolved: mtd: rawnand: serialize lock/unlock against other NAND operations nand_lock() and nand_unlock() call into chip->ops.lock_area/unlock_area without holding the NAND device lock. On controllers …

  • Unscored —

    arm_mpam: Fix null pointer dereference when restoring bandwidth counters

    In the Linux kernel, the following vulnerability has been resolved: arm_mpam: Fix null pointer dereference when restoring bandwidth counters When an MSC supporting memory bandwidth monitoring is brought offline and then online, mpam_restore_mbwu_state() calls…

  • High 7.8

    mshv: Fix use-after-free in mshv_map_user_memory error path

    In the Linux kernel, the following vulnerability has been resolved: mshv: Fix use-after-free in mshv_map_user_memory error path In the error path of mshv_map_user_memory(), calling vfree() directly on the region leaves the MMU notifier registered. When usersp…

  • Unscored —

    spi: amlogic-spisg: Fix memory leak in aml_spisg_probe()

    In the Linux kernel, the following vulnerability has been resolved: spi: amlogic-spisg: Fix memory leak in aml_spisg_probe() In aml_spisg_probe(), ctlr is allocated by spi_alloc_target()/spi_alloc_host(), but fails to call spi_controller_put() in several erro…

  • Unscored —

    drm/vmwgfx: Don't overwrite KMS surface dirty tracker

    In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Don't overwrite KMS surface dirty tracker We were overwriting the surface's dirty tracker here causing a memory leak.

  • High 7.8

    iommu/sva: Fix crash in iommu_sva_unbind_device()

    In the Linux kernel, the following vulnerability has been resolved: iommu/sva: Fix crash in iommu_sva_unbind_device() domain->mm->iommu_mm can be freed by iommu_domain_free(): iommu_domain_free() mmdrop() __mmdrop() mm_pasid_drop() After iommu_domain_free() r…

  • Critical 9.8

    ksmbd: fix use-after-free of share_conf in compound request

    In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free of share_conf in compound request smb2_get_ksmbd_tcon() reuses work->tcon in compound requests without validating tcon->t_state. ksmbd_tree_conn_lookup() checks t_st…

  • Critical 9.8

    ksmbd: fix use-after-free in durable v2 replay of active file handles

    In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in durable v2 replay of active file handles parse_durable_handle_context() unconditionally assigns dh_info->fp->conn to the current connection when handling a DURABL…

  • Unscored —

    drm/logicvc: Fix device node reference leak in logicvc_drm_config_parse()

    In the Linux kernel, the following vulnerability has been resolved: drm/logicvc: Fix device node reference leak in logicvc_drm_config_parse() The logicvc_drm_config_parse() function calls of_get_child_by_name() to find the "layers" node but fails to release t…

  • High 8.8

    KVM: arm64: Fix ID register initialization for non-protected pKVM guests

    In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Fix ID register initialization for non-protected pKVM guests In protected mode, the hypervisor maintains a separate instance of the `kvm` structure for each VM. For non-protected …

  • High 7.1

    accel/amdxdna: Validate command buffer payload count

    In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Validate command buffer payload count The count field in the command header is used to determine the valid payload size. Verify that the valid payload does not exceed the remai…

  • Unscored —

    dpaa2-switch: Fix interrupt storm after receiving bad if_id in IRQ handler

    In the Linux kernel, the following vulnerability has been resolved: dpaa2-switch: Fix interrupt storm after receiving bad if_id in IRQ handler Commit 31a7a0bbeb00 ("dpaa2-switch: add bounds check for if_id in IRQ handler") introduces a range check for if_id t…

  • Unscored —

    btrfs: free pages on error in btrfs_uring_read_extent()

    In the Linux kernel, the following vulnerability has been resolved: btrfs: free pages on error in btrfs_uring_read_extent() In this function the 'pages' object is never freed in the hopes that it is picked up by btrfs_uring_read_finished() whenever that execu…

  • Unscored —

    drm/xe/configfs: Free ctx_restore_mid_bb in release

    In the Linux kernel, the following vulnerability has been resolved: drm/xe/configfs: Free ctx_restore_mid_bb in release ctx_restore_mid_bb memory is allocated in wa_bb_store(), but xe_config_device_release() only frees ctx_restore_post_bb. Free ctx_restore_mi…

  • Unscored —

    wifi: wlcore: Fix a locking bug

    In the Linux kernel, the following vulnerability has been resolved: wifi: wlcore: Fix a locking bug Make sure that wl->mutex is locked before it is unlocked. This has been detected by the Clang thread-safety analyzer.

  • High 7.5

    net/rds: Fix circular locking dependency in rds_tcp_tune

    In the Linux kernel, the following vulnerability has been resolved: net/rds: Fix circular locking dependency in rds_tcp_tune syzbot reported a circular locking dependency in rds_tcp_tune() where sk_net_refcnt_upgrade() is called while holding the socket lock:…

  • Unscored —

    drm/xe/reg_sr: Fix leak on xa_store failure

    In the Linux kernel, the following vulnerability has been resolved: drm/xe/reg_sr: Fix leak on xa_store failure Free the newly allocated entry when xa_store() fails to avoid a memory leak on the error path. v2: use goto fail_free. (Bala) (cherry picked from c…

  • Unscored —
    CVE-2026-23416 Public exploit

    mm/mseal: update VMA end correctly on merge

    In the Linux kernel, the following vulnerability has been resolved: mm/mseal: update VMA end correctly on merge Previously we stored the end of the current VMA in curr_end, and then upon iterating to the next VMA updated curr_start to curr_end to advance to t…

  • Unscored —

    bpf: Fix constant blinding for PROBE_MEM32 stores

    In the Linux kernel, the following vulnerability has been resolved: bpf: Fix constant blinding for PROBE_MEM32 stores BPF_ST | BPF_PROBE_MEM32 immediate stores are not handled by bpf_jit_blind_insn(), allowing user-controlled 32-bit immediates to survive unbl…

  • High 7.8
    CVE-2026-23415 Public exploit

    futex: Fix UaF between futex_key_to_node_opt() and vma_replace_policy()

    In the Linux kernel, the following vulnerability has been resolved: futex: Fix UaF between futex_key_to_node_opt() and vma_replace_policy() During futex_key_to_node_opt() execution, vma->vm_policy is read under speculative mmap lock and RCU. Concurrently, mbi…

  • High 7.5

    tls: Purge async_hold in tls_decrypt_async_wait()

    In the Linux kernel, the following vulnerability has been resolved: tls: Purge async_hold in tls_decrypt_async_wait() The async_hold queue pins encrypted input skbs while the AEAD engine references their scatterlist data. Once tls_decrypt_async_wait() returns…

  • High 7.8

    clsact: Fix use-after-free in init/destroy rollback asymmetry

    In the Linux kernel, the following vulnerability has been resolved: clsact: Fix use-after-free in init/destroy rollback asymmetry Fix a use-after-free in the clsact qdisc upon init/destroy rollback asymmetry. The latter is achieved by first fully initializing…

  • High 7.8

    netfilter: bpf: defer hook memory release until rcu readers are done

    In the Linux kernel, the following vulnerability has been resolved: netfilter: bpf: defer hook memory release until rcu readers are done Yiming Qian reports UaF when concurrent process is dumping hooks via nfnetlink_hooks: BUG: KASAN: slab-use-after-free in n…

  • High 8.8

    Libinput: libinput: unauthorized code execution and information disclosure through lua bytecode plugins

    A flaw was found in libinput. A local attacker who can place a specially crafted Lua bytecode file in certain system or user configuration directories can bypass security restrictions. This allows the attacker to run unauthorized code with the same permission…

  • Low 3.3

    Libinput: libinput: information disclosure via dangling pointer in lua plugin handling

    A flaw was found in libinput. An attacker capable of deploying a Lua plugin file in specific system directories can exploit a dangling pointer vulnerability. This occurs when a garbage collection cleanup function is called, leaving a pointer that can then be …

  • High 7.5

    Corosync: corosync: denial of service via integer overflow in join message validation

    A flaw was found in Corosync. An integer overflow vulnerability in Corosync's join message sanity validation allows a remote, unauthenticated attacker to send crafted User Datagram Protocol (UDP) packets. This can cause the service to crash, leading to a deni…

  • High 8.2

    Corosync: corosync: denial of service and information disclosure via crafted udp packet

    A flaw was found in Corosync. A remote unauthenticated attacker can exploit a wrong return value vulnerability in the Corosync membership commit token sanity check by sending a specially crafted User Datagram Protocol (UDP) packet. This can lead to an out-of-…

  • High 7.8

    apparmor: fix race on rawdata dereference

    In the Linux kernel, the following vulnerability has been resolved: apparmor: fix race on rawdata dereference There is a race condition that leads to a use-after-free situation: because the rawdata inodes are not refcounted, an attacker can start open()ing on…

  • High 7.8

    apparmor: fix race between freeing data and fs accessing it

    In the Linux kernel, the following vulnerability has been resolved: apparmor: fix race between freeing data and fs accessing it AppArmor was putting the reference to i_private data on its end after removing the original entry from the file system. However the…

  • Unscored —

    apparmor: fix differential encoding verification

    In the Linux kernel, the following vulnerability has been resolved: apparmor: fix differential encoding verification Differential encoding allows loops to be created if it is abused. To prevent this the unpack should verify that a diff-encode chain terminates…

  • High 7.8

    apparmor: fix missing bounds check on DEFAULT table in verify_dfa()

    In the Linux kernel, the following vulnerability has been resolved: apparmor: fix missing bounds check on DEFAULT table in verify_dfa() The verify_dfa() function only checks DEFAULT_TABLE bounds when the state is not differentially encoded. When the verificat…

  • High 7.8

    apparmor: Fix double free of ns_name in aa_replace_profiles()

    In the Linux kernel, the following vulnerability has been resolved: apparmor: Fix double free of ns_name in aa_replace_profiles() if ns_name is NULL after 1071 error = aa_unpack(udata, &lh, &ns_name); and if ent->ns_name contains an ns_name in 1089 } else if …

  • High 7.8

    apparmor: fix side-effect bug in match_char() macro usage

    In the Linux kernel, the following vulnerability has been resolved: apparmor: fix side-effect bug in match_char() macro usage The match_char() macro evaluates its character parameter multiple times when traversing differential encoding chains. When invoked wi…

  • Unscored —

    apparmor: replace recursive profile removal with iterative approach

    In the Linux kernel, the following vulnerability has been resolved: apparmor: replace recursive profile removal with iterative approach The profile removal code uses recursion when removing nested profiles, which can lead to kernel stack exhaustion and system…