In the Linux kernel, the following vulnerability has been resolved: tee: add overflow check in register_shm_helper() With special lengths supplied by user space, register_shm_helper() has an integer overflow when calculating the number of pages covered by a supplied user space memory region. This causes internal_get_user_pages_fast() a helper function of pin_user_pages_fast() to do a NULL pointer dereference: Unable to handle kernel NULL pointer dereference at virtual address 0000000000000010 Modules linked in: CPU: 1 PID: 173 Comm: optee_example_a Not tainted 5.19.0 #11 Hardware name: QEMU QEMU Virtual Machine, BIOS 0.0.0 02/06/2015 pc : internal_get_user_pages_fast+0x474/0xa80 Call trace: internal_get_user_pages_fast+0x474/0xa80 pin_user_pages_fast+0x24/0x4c register_shm_helper+0x194/0x330 tee_shm_register_user_buf+0x78/0x120 tee_ioctl+0xd0/0x11a0 __arm64_sys_ioctl+0xa8/0xec invoke_syscall+0x48/0x114 Fix this by adding an an explicit call to access_ok() in tee_shm_register_user_buf() to catch an invalid user space address early.

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004897 advisory.

    In the Linux kernel, the following vulnerability has been resolved:

    tee: add overflow check in register_shm_helper()

    With special lengths supplied by user space, register_shm_helper() has     an integer overflow when calculating the number of pages covered by a     supplied user space memory region.

    This causes internal_get_user_pages_fast() a helper function of     pin_user_pages_fast() to do a NULL pointer dereference:

      Unable to handle kernel NULL pointer dereference at virtual address 0000000000000010       Modules linked in:
      CPU: 1 PID: 173 Comm: optee_example_a Not tainted 5.19.0 #11       Hardware name: QEMU QEMU Virtual Machine, BIOS 0.0.0 02/06/2015       pc : internal_get_user_pages_fast+0x474/0xa80       Call trace:
       internal_get_user_pages_fast+0x474/0xa80        pin_user_pages_fast+0x24/0x4c        register_shm_helper+0x194/0x330        tee_shm_register_user_buf+0x78/0x120        tee_ioctl+0xd0/0x11a0
       __arm64_sys_ioctl+0xa8/0xec        invoke_syscall+0x48/0x114

    Fix this by adding an an explicit call to access_ok() in     tee_shm_register_user_buf() to catch an invalid user space address     early.

Tenable has extracted the preceding description block directly from the Unity Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992851 advisory.

    In the Linux kernel, the following vulnerability has been resolved:

    tee: add overflow check in register_shm_helper()

    With special lengths supplied by user space, register_shm_helper() has     an integer overflow when calculating the number of pages covered by a     supplied user space memory region.

    This causes internal_get_user_pages_fast() a helper function of     pin_user_pages_fast() to do a NULL pointer dereference:

      Unable to handle kernel NULL pointer dereference at virtual address 0000000000000010       Modules linked in:
      CPU: 1 PID: 173 Comm: optee_example_a Not tainted 5.19.0 #11       Hardware name: QEMU QEMU Virtual Machine, BIOS 0.0.0 02/06/2015       pc : internal_get_user_pages_fast+0x474/0xa80       Call trace:
       internal_get_user_pages_fast+0x474/0xa80        pin_user_pages_fast+0x24/0x4c        register_shm_helper+0x194/0x330        tee_shm_register_user_buf+0x78/0x120        tee_ioctl+0xd0/0x11a0
       __arm64_sys_ioctl+0xa8/0xec        invoke_syscall+0x48/0x114

    Fix this by adding an an explicit call to access_ok() in     tee_shm_register_user_buf() to catch an invalid user space address     early.

Tenable has extracted the preceding description block directly from the Unity Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992432 advisory.

    In the Linux kernel, the following vulnerability has been resolved:

    tee: add overflow check in register_shm_helper()

    With special lengths supplied by user space, register_shm_helper() has     an integer overflow when calculating the number of pages covered by a     supplied user space memory region.

    This causes internal_get_user_pages_fast() a helper function of     pin_user_pages_fast() to do a NULL pointer dereference:

      Unable to handle kernel NULL pointer dereference at virtual address 0000000000000010       Modules linked in:
      CPU: 1 PID: 173 Comm: optee_example_a Not tainted 5.19.0 #11       Hardware name: QEMU QEMU Virtual Machine, BIOS 0.0.0 02/06/2015       pc : internal_get_user_pages_fast+0x474/0xa80       Call trace:
       internal_get_user_pages_fast+0x474/0xa80        pin_user_pages_fast+0x24/0x4c        register_shm_helper+0x194/0x330        tee_shm_register_user_buf+0x78/0x120        tee_ioctl+0xd0/0x11a0
       __arm64_sys_ioctl+0xa8/0xec        invoke_syscall+0x48/0x114

    Fix this by adding an an explicit call to access_ok() in     tee_shm_register_user_buf() to catch an invalid user space address     early.

Tenable has extracted the preceding description block directly from the Unity Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:03204-1 advisory.

    The SUSE Linux Enterprise 12 SP5 kernel was updated to receive various security bugfixes.


    The following security bugs were fixed:

    - CVE-2022-49967: bpf: Fix a data-race around bpf_jit_limit (bsc#1244964).
    - CVE-2022-49975: bpf: Don't redirect packets with invalid pkt_len (bsc#1245196).
    - CVE-2022-49980: usb: gadget: Fix use-after-free bug by not setting udc->dev.driver (bsc#1245110).
    - CVE-2022-49981: HID: hidraw: fix memory leak in hidraw_release() (bsc#1245072).
    - CVE-2022-50007: xfrm: fix refcount leak in __xfrm_policy_check() (bsc#1245016).
    - CVE-2022-50066: net: atlantic: fix aq_vec index out of range error (bsc#1244985).
    - CVE-2022-50080: tee: add overflow check in register_shm_helper() (bsc#1244972).
    - CVE-2022-50116: kernel: tty: n_gsm: fix deadlock and link starvation in outgoing data path     (bsc#1244824).
    - CVE-2022-50127: RDMA/rxe: Fix error unwind in rxe_create_qp() (bsc#1244815).
    - CVE-2022-50138: RDMA/qedr: Fix potential memory leak in __qedr_alloc_mr() (bsc#1244797).
    - CVE-2022-50141: mmc: sdhci-of-esdhc: Fix refcount leak in esdhc_signal_voltage_switch (bsc#1244794).
    - CVE-2022-50162: wifi: libertas: Fix possible refcount leak in if_usb_probe() (bsc#1244773).
    - CVE-2022-50185: drm/radeon: fix potential buffer overflow in ni_set_mc_special_registers()     (bsc#1244887).
    - CVE-2022-50191: regulator: of: Fix refcount leak bug in of_get_regulation_constraints() (bsc#1244899).
    - CVE-2022-50228: KVM: SVM: Do not BUG if userspace injects an interrupt with GIF=0 (bsc#1244854).
    - CVE-2022-50229: ALSA: bcd2000: Fix a UAF bug on the error path of probing (bsc#1244856).
    - CVE-2023-52813: crypto: pcrypt - Fix hungtask for PADATA_RESET (bsc#1225527).
    - CVE-2023-53020: l2tp: close all race conditions in l2tp_tunnel_register() (bsc#1240224).
    - CVE-2024-28956: x86/its: Enable Indirect Target Selection mitigation (bsc#1242006).
    - CVE-2025-22022: usb: xhci: Apply the link chain quirk on NEC isoc endpoints (bsc#1241292).
    - CVE-2025-23141: KVM: x86: Acquire SRCU in KVM_GET_MP_STATE to protect guest memory accesses     (bsc#1242782).
    - CVE-2025-38075: scsi: target: iscsi: Fix timeout on deleted connection (bsc#1244734).
    - CVE-2025-38102: VMCI: fix race between vmci_host_setup_notify and vmci_ctx_unset_notify (bsc#1245669).
    - CVE-2025-38103: HID: usbhid: Eliminate recurrent out-of-bounds bug in usbhid_parse() (bsc#1245663).
    - CVE-2025-38117: Bluetooth: MGMT: protect mgmt_pending list with its own lock (bsc#1245695).
    - CVE-2025-38122: gve: add missing NULL check for gve_alloc_pending_packet() in TX DQO (bsc#1245746).
    - CVE-2025-38153: net: usb: aqc111: fix error handling of usbnet read calls (bsc#1245744).
    - CVE-2025-38173: crypto: marvell/cesa - Handle zero-length skcipher requests (bsc#1245769).
    - CVE-2025-38174: thunderbolt: Do not double dequeue a configuration request (bsc#1245781).
    - CVE-2025-38184: tipc: fix null-ptr-deref when acquiring remote ip of ethernet bearer (bsc#1245956).
    - CVE-2025-38185: atm: atmtcp: Free invalid length skb in atmtcp_c_send() (bsc#1246012).
    - CVE-2025-38190: atm: Revert atm_account_tx() if copy_from_iter_full() fails (bsc#1245973).
    - CVE-2025-38214: fbdev: Fix fb_set_var to prevent null-ptr-deref in fb_videomode_to_var (bsc#1246042).
    - CVE-2025-38245: atm: Release atm_dev_mutex after removing procfs in atm_dev_deregister() (bsc#1246193).
    - CVE-2025-38263: bcache: fix NULL pointer in cache_set_flush() (bsc#1246248).
    - CVE-2025-38313: bus: fsl-mc: fix double-free on mc_dev (bsc#1246342).
    - CVE-2025-38352: posix-cpu-timers: fix race between handle_posix_cpu_timers() and posix_cpu_timer_del()     (bsc#1246911).
    - CVE-2025-38386: ACPICA: Refuse to evaluate a method if arguments are missing (bsc#1247138).
    - CVE-2025-38424: perf: Fix sample vs do_exit() (bsc#1246547 bsc#1247293).
    - CVE-2025-38430: nfsd: nfsd4_spo_must_allow() must check this is a v4 compound request (bsc#1247160).
    - CVE-2025-38449: drm/gem: Acquire references on GEM handles for framebuffers (bsc#1247255).
    - CVE-2025-38457: net/sched: Abort __tc_modify_qdisc if parent class does not exist (bsc#1247098).
    - CVE-2025-38460: atm: clip: Fix potential null-ptr-deref in to_atmarpd() (bsc#1247143).
    - CVE-2025-38464: tipc: Fix use-after-free in tipc_conn_close() (bsc#1247112).
    - CVE-2025-38465: netlink: Fix wraparounds of sk->sk_rmem_alloc (bsc#1247118).
    - CVE-2025-38470: net: vlan: fix VLAN 0 refcount imbalance of toggling filtering during runtime     (bsc#1247288).
    - CVE-2025-38473: Bluetooth: Fix null-ptr-deref in l2cap_sock_resume_cb() (bsc#1247289).
    - CVE-2025-38474: usb: net: sierra: check for no status endpoint (bsc#1247311).
    - CVE-2025-38498: do_change_type(): refuse to operate on unmounted/not ours mounts (bsc#1247374).
    - CVE-2025-38499: clone_private_mnt(): make sure that caller has CAP_SYS_ADMIN in the right userns     (bsc#1247976).
    - CVE-2025-38512: wifi: prevent A-MSDU attacks in mesh networks (bsc#1248178).
    - CVE-2025-38513: wifi: zd1211rw: Fix potential NULL pointer dereference in zd_mac_tx_to_dev()     (bsc#1248179).
    - CVE-2025-38515: drm/sched: Increment job count before swapping tail spsc queue (bsc#1248212).
    - CVE-2025-38546: atm: clip: Fix memory leak of struct clip_vcc (bsc#1248223).
    - CVE-2025-38556: HID: core: Harden s32ton() against conversion to 0 bits (bsc#1248296).
    - CVE-2025-38563: perf/core: Prevent VMA split of buffer mappings (bsc#1248306).
    - CVE-2025-38617: net/packet: fix a race in packet_set_ring() and packet_notifier() (bsc#1248621).
    - CVE-2025-38618: vsock: Do not allow binding to VMADDR_PORT_ANY (bsc#1248511).
    - CVE-2025-38644: wifi: mac80211: reject TDLS operations when station is not associated (bsc#1248748).


Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - In the Linux kernel, the following vulnerability has been resolved: tee: add overflow check in     register_shm_helper() With special lengths supplied by user space, register_shm_helper() has an integer     overflow when calculating the number of pages covered by a supplied user space memory region. This causes     internal_get_user_pages_fast() a helper function of pin_user_pages_fast() to do a NULL pointer     dereference: Unable to handle kernel NULL pointer dereference at virtual address 0000000000000010 Modules     linked in: CPU: 1 PID: 173 Comm: optee_example_a Not tainted 5.19.0 #11 Hardware name: QEMU QEMU Virtual     Machine, BIOS 0.0.0 02/06/2015 pc : internal_get_user_pages_fast+0x474/0xa80 Call trace:
    internal_get_user_pages_fast+0x474/0xa80 pin_user_pages_fast+0x24/0x4c register_shm_helper+0x194/0x330     tee_shm_register_user_buf+0x78/0x120 tee_ioctl+0xd0/0x11a0 __arm64_sys_ioctl+0xa8/0xec     invoke_syscall+0x48/0x114 Fix this by adding an an explicit call to access_ok() in     tee_shm_register_user_buf() to catch an invalid user space address early. (CVE-2022-50080)

Note that Nessus relies on the presence of the package as reported by the vendor.

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:2394 advisory.

    The kernel packages contain the Linux kernel, the core of any Linux operating system.

    Security Fix(es):

    * kernel: GSM multiplexing race condition leads to privilege escalation (CVE-2023-6546)

    * kernel: multiple use-after-free vulnerabilities (CVE-2024-1086, CVE-2023-3567, CVE-2023-4133,     CVE-2023-6932, CVE-2023-39198, CVE-2023-51043, CVE-2023-51779, CVE-2023-51780, CVE-2024-1085,     CVE-2024-26582)

    * kernel: Bluetooth BR/EDR PIN Pairing procedure is vulnerable to an impersonation attack (CVE-2020-26555)

    * kernel: memcg does not limit the number of POSIX file locks allowing memory exhaustion (CVE-2022-0480)

    * kernel: multiple NULL pointer dereference vulnerabilities (CVE-2022-38096, CVE-2023-6622, CVE-2023-6915,     CVE-2023-42754, CVE-2023-46862, CVE-2023-52574, CVE-2024-0841, CVE-2023-52448)

    * kernel: integer overflow in l2cap_config_req() in net/bluetooth/l2cap_core.c (CVE-2022-45934)

    * kernel: netfilter: nf_tables: out-of-bounds access in nf_tables_newtable() (CVE-2023-6040)

    * kernel: GC's deletion of an SKB races with unix_stream_read_generic()  leading to UAF (CVE-2023-6531)

    * kernel: Out of boundary write in perf_read_group() as result of overflow a perf_event's read_size     (CVE-2023-6931)

    * kernel: Bluetooth Forward and Future Secrecy Attacks and Defenses (CVE-2023-24023)

    * kernel: irdma: Improper access control (CVE-2023-25775)

    * Kernel: double free in hci_conn_cleanup of the bluetooth subsystem (CVE-2023-28464)

    * kernel: Bluetooth: HCI: global out-of-bounds access in net/bluetooth/hci_sync.c (CVE-2023-28866)

    * kernel: race condition between HCIUARTSETPROTO and HCIUARTGETPROTO in hci_uart_tty_ioctl     (CVE-2023-31083)

    * kernel: multiple out-of-bounds read vulnerabilities (CVE-2023-37453, CVE-2023-39189, CVE-2023-39193,     CVE-2023-6121, CVE-2023-39194)

    * kernel: netfilter: race condition between IPSET_CMD_ADD and IPSET_CMD_SWAP (CVE-2023-42756)

    * kernel: lib/kobject.c vulnerable to fill_kobj_path out-of-bounds write (CVE-2023-45863)

    * kernel: smb: client: fix potential OOBs in smb2_parse_contexts() (CVE-2023-52434)

    * kernel: mm/sparsemem: fix race in accessing memory_section->usage (CVE-2023-52489)

    * kernel: net: fix possible store tearing in neigh_periodic_work() (CVE-2023-52522)

    * kernel: multiple memory leak vulnerabilities (CVE-2023-52529, CVE-2023-52581)

    * kernel: net: bridge: data races indata-races in br_handle_frame_finish() (CVE-2023-52578)

    * kernel: net/core: kernel crash in ETH_P_1588 flow dissector (CVE-2023-52580)

    * kernel: net/sched: act_ct: fix skb leak and crash on ooo frags (CVE-2023-52610)

    * kernel: CIFS Filesystem Decryption Improper Input Validation Remote Code Execution Vulnerability in     function receive_encrypted_standard of client (CVE-2024-0565)

    * kernel: tls: race between async notify and socket close (CVE-2024-26583)

    * kernel: tls: handle backlogging of crypto requests (CVE-2024-26584)

    * kernel: tls: race between tx work scheduling and socket close (CVE-2024-26585)

    * kernel: mlxsw: spectrum_acl_tcam: Fix stack corruption (CVE-2024-26586)

    * kernel: i2c: i801: Fix block process call transactions (CVE-2024-26593)

    * kernel: sched/membarrier: reduce the ability to hammer on sys_membarrier (CVE-2024-26602)

    * kernel: netfilter: nf_tables: reject QUEUE/DROP verdict parameters (CVE-2024-26609)

    * kernel: local dos vulnerability in scatterwalk_copychunks (CVE-2023-6176)

    * kernel: perf/x86/lbr: Filter vsyscall addresses (CVE-2023-52476)

    * kernel: netfilter: nf_tables: disallow timeout for anonymous sets (CVE-2023-52620)

    * kernel: ip6_tunnel: fix NEXTHDR_FRAGMENT handling in ip6_tnl_parse_tlv_enc_lim() (CVE-2024-26633)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

    Additional Changes:

    For detailed information on changes in this release, see the Red Hat Enterprise Linux 9.4 Release Notes     linked from the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Severity
297598	EulerOS 2.0 SP13 : kernel (EulerOS-SA-2026-1212)	Nessus	Huawei Local Security Checks	high
297592	EulerOS 2.0 SP13 : kernel (EulerOS-SA-2026-1224)	Nessus	Huawei Local Security Checks	high
296320	Unity Linux 20.1050e Security Update: kernel (UTSA-2026-004897)	Nessus	Unity Linux Local Security Checks	medium
281062	Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-992851)	Nessus	Unity Linux Local Security Checks	medium
280521	Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992432)	Nessus	Unity Linux Local Security Checks	medium
264665	SUSE SLES12 Security Update : kernel (SUSE-SU-2025:03204-1)	Nessus	SuSE Local Security Checks	medium
248133	Linux Distros Unpatched Vulnerability : CVE-2022-50080	Nessus	Misc.	medium
194794	RHEL 9 : kernel (RHSA-2024:2394)	Nessus	Red Hat Local Security Checks	critical

Detections

Analytics

CVE-2022-50080

medium

Tenable Plugins

high

high

medium

medium

medium

medium

medium

critical