远程 Ubuntu 14.04 LTS 主机上安装的一个程序包受到 USN-3798-1 公告中提及的多个漏洞影响。

  - 在低于 4.4 的 Linux 内核版本中，本地用户可利用 KEYS 子系统，通过构建的负实例化密钥的 keyctl 命令，获取权限，或造成拒绝服务（错误），此问题与 security/keys/encrypted-keys/encrypted.c、security/keys/trusted.c 和 security/keys/user_defined.c 相关。
    (CVE-2015-8539)

  在低于 4.6 版本的 Linux 内核中，drivers/media/tuners/tuner-xc2028.c 中的 xc2028_set_config 函数允许本地用户通过涉及省略特定数据结构的固件名称的向量获取权限，或造成拒绝服务（释放后使用）。CVE-2016-7913

  - 上游内核 scsi 驱动程序中存在权限提升漏洞。产品：Android。版本：
    Android 内核。Android ID：A-35644812。(CVE-2017-0794)

  - 在 Linux 内核 4.13.7 及之前版本中，KEYS 子系统未正确处理未实例化的已有密钥的 add_key 使用，本地用户可利用此漏洞，通过构建的系统调用，造成拒绝服务（空指针取消引用和系统崩溃），或可能造成其他不明影响。
    (CVE-2017-15299)

  - 在 Linux 内核 4.15 之前的 fs/ocfs2/cluster/nodemanager.c 中，由于未使用所需的互斥体，本地用户可造成拒绝服务（空指针取消引用和错误）。(CVE-2017-18216)

  - 在 Linux 内核 4.12、3.10、2.6 及可能更低的版本中，声音系统中存在争用条件漏洞，可造成死锁和拒绝服务的情况。(CVE-2018-1000004)

  - Linux 内核 4.15 中存在缓冲区溢出，本地用户可通过 SNDRV_SEQ_IOCTL_SET_CLIENT_POOL ioctl 写入操作在 /dev/snd/seq 中写入数据。(CVE-2018-7566)

  - 在 llcp_commands.c 的 nfc_llcp_build_sdreq_tlv 中，可能存在越界读取，这是缺少边界检查所致。这可能会导致本地权限提升，并需要系统执行权限。
    不需用户交互即可恶意利用。产品：Android。版本：Android 内核。Android ID：
    A-73083945。(CVE-2018-9518)

请注意，Nessus 尚未测试这些问题，而是只依据应用程序自我报告的版本号进行判断。

Linux/Unix 主机中安装的一个或多个程序包受到一个漏洞影响，而供应商没有提供补丁程序。

  - 在 llcp_commands.c 的 nfc_llcp_build_sdreq_tlv 中，可能存在越界读取，这是缺少边界检查所致。这可能会导致本地权限提升，并需要系统执行权限。
    不需用户交互即可恶意利用。产品：Android。版本：Android 内核。Android ID：
    A-73083945。(CVE-2018-9518)

请注意，Nessus 依赖供应商报告的程序包是否存在进行判断。

遠端 Ubuntu 14.04 LTS 主機上安裝的一個套件受到 USN-3798-1 公告中所提及的多個弱點影響。

  4.4 之前的 Linux 核心中的 KEYS 子系統會允許本機使用者透過會將金鑰負面具現化的特製 keyctl 命令，取得權限或引致拒絕服務 (BUG)，此問題與 security/keys/encrypted-keys/encrypted.c、security/keys/trusted.c 和 security/keys/user_defined.c 有關。
    (CVE-2015-8539)

  - 在 4.6 版之前的 Linux 核心中，drivers/media/tuners/tuner-xc2028.c 的 xc2028_set_config 函式允許本機使用者透過向量 (忽略來自特定資料結構的韌體名稱) 取得權限，或造成拒絕服務 (釋放後使用)。(CVE-2016-7913)

  - Upstream 核心 scsi 訊驅動程式中的權限提升弱點。產品：Android。版本：
    Android 核心。Android ID：A-35644812。(CVE-2017-0794)

  - 在 4.13.7 版之前的 Linux 核心中，KEYS 子系統針對已存在但未具現化的金鑰不當使用 add_key，這會允許本機使用者透過特製的系統呼叫，引致拒絕服務 (NULL 指標解除參照和系統當機) 或可能造成其他不明影響。
    (CVE-2017-15299)

  - 在 4.15 之前的 Linux 核心的 fs/ocfs2/cluster/nodemanager.c 中，本機使用者可能會因為未使用必要的 mutex 而引致拒絕服務 (NULL 指標解除參照和錯誤)。(CVE-2017-18216)

  在 4.12 版、3.10 版、2.6 版 (更舊版本可能亦然) 的 Linux 核心中，音效系統內有爭用情形弱點，有心人士可藉以利用釋放後使用情形造成可能的鎖死和記憶體損毀，進而引致拒絕服務。(CVE-2018-1000004)

  本機使用者使用 Linux 核心 4.15 對 /dev/snd/seq 進行 SNDRV_SEQ_IOCTL_SET_CLIENT_POOL ioctl 寫入作業時，存在緩衝區溢位問題。(CVE-2018-7566)

  - llcp_commands.c 的 nfc_llcp_build_sdreq_tlv 中可能存在超出邊界寫入弱點，這是缺少邊界檢查所致。這可能會導致需要系統執行權限的本機權限提升。
    不需使用者互動即可惡意利用。產品：Android。版本：Android 核心。Android ID：
    A-73083945。(CVE-2018-9518)

請注意，Nessus 並未測試這些問題，而是僅依據應用程式自我報告的版本號碼作出判斷。

Linux/Unix 主機上安裝了一個或多個受到弱點影響的套件，且供應商未提供可用的修補程式。

  - llcp_commands.c 的 nfc_llcp_build_sdreq_tlv 中可能存在超出邊界寫入弱點，這是缺少邊界檢查所致。這可能會導致需要系統執行權限的本機特權提升。
    不需使用者互動即可惡意利用。產品：Android。版本：Android 核心。Android ID：
    A-73083945。(CVE-2018-9518)

請注意，Nessus 依賴供應商報告的套件存在。

リモートの Ubuntu 14.04 LTS ホストには、USN-3798-1のアドバイザリに記載された複数の脆弱性の影響を受けるパッケージがインストールされています。

  -4.4より前のLinuxカーネルのKEYS サブシステムにより、security/keys/encrypted-keys/encrypted.c、security/keys/trusted.c、security/keys/user_defined.cに関連するキーをマイナスにインスタンス化する細工されたkeyctl コマンドを通じて、ローカルユーザーが権限を取得したり、サービス拒否（バグ）を引き起こしたりする可能性があります。
    (CVE-2015-8539)

  - 4.6 以前の Linux カーネル内のドライバー/メディア/チューナー/tuner-xc2028.c の xc2028_set_config 関数により、特定のデータ構造からのファームウェア名の省略に関連したベクターを介して、ローカルユーザーが権限を取得したり、サービス拒否 (メモリ解放後使用) を引き起こしたりします。(CVE-2016-7913) 

  - Upstream カーネル scsi ビデオドライバーの権限の昇格の脆弱性。製品: Android。バージョン:
    Android カーネル。Android ID: A-35644812。(CVE-2017-0794)

  -4.13.7までのLinuxカーネルのKEYSサブシステムが、既に存在するが、インスタンス化されていないキーのadd_keyの使用を誤って処理するため、ローカルユーザーが、細工されたシステムコールを介して、サービス拒否（NULLポインター逆参照とシステムクラッシュ）を引き起こしたり、詳細不明なその他の影響を与えたりする可能性があります。
    (CVE-2017-15299)

  - 4.15以前のLinuxカーネルのfs/ocfs2/cluster/nodemanager.cでは、必要なmutexが使用されていないため、ローカルユーザーがサービス拒否（NULLポインターデリファレンスおよびBUG）を引き起こす可能性があります。（CVE-2017-18216）

  - Linux カーネル 4.12、3.10、2.6 および場合によってはさらに前のバージョンでは、サウンドシステム内に競合状態の脆弱性が存在しています。このため、デッドロック状態とサービス拒否状態が発生する可能性があります。(CVE-2018-1000004)

  - Linux カーネル 4.15 では、ローカルユーザーによる /dev/snd/seq への SNDRV_SEQ_IOCTL_SET_CLIENT_POOL ioctl 書き込み操作を介した、バッファオーバーフローが発生します。(CVE-2018-7566)

  - llcp_commands.c の nfc_llcp_build_sdreq_tlv では、境界チェックが欠落しているために領域外書き込みが発生する可能性があります。これにより、システム実行権限が必要なローカルでの権限昇格が引き起こされる可能性があります。
    悪用はユーザーの操作を必要としません。製品: Android。バージョン: Android カーネル。Android ID:
    A-73083945。(CVE-2018-9518)

Nessus はこれらの問題をテストしておらず、代わりにアプリケーションが自己報告するバージョン番号にのみ依存していることに注意してください。

Linux/Unix ホストには、ベンダーが提供するパッチが利用できない脆弱性の影響を受ける複数のパッケージがインストールされています。

  - llcp_commands.c の nfc_llcp_build_sdreq_tlv では、境界チェックが欠落しているために領域外書き込みが発生する可能性があります。これにより、システム実行権限が必要なローカルでの権限昇格が引き起こされる可能性があります。
    悪用はユーザーの操作を必要としません。製品：Android。バージョン：Androidカーネル。Android ID:
    A-73083945。(CVE-2018-9518)

Nessus は、ベンダーによって報告されたパッケージの存在に依存していることに注意してください。

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003774 advisory.

    In nfc_llcp_build_sdreq_tlv of llcp_commands.c, there is a possible out of bounds write due to a missing     bounds check. This could lead to local escalation of privilege with System execution privileges needed.
    User interaction is not needed for exploitation. Product: Android. Versions: Android kernel. Android ID:
    A-73083945.

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-2026-001210 advisory.

    In nfc_llcp_build_sdreq_tlv of llcp_commands.c, there is a possible out of bounds write due to a missing     bounds check. This could lead to local escalation of privilege with System execution privileges needed.
    User interaction is not needed for exploitation. Product: Android. Versions: Android kernel. Android ID:
    A-73083945.

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 Ubuntu 14.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3798-1 advisory.

    Dmitry Vyukov discovered that the key management subsystem in the Linux kernel did not properly restrict     adding a key that already exists but is negatively instantiated. A local attacker could use this to cause     a denial of service (system crash) or possibly execute arbitrary code. (CVE-2015-8539)

    It was discovered that a use-after-free vulnerability existed in the device driver for XCeive     xc2028/xc3028 tuners in the Linux kernel. A local attacker could use this to cause a denial of service     (system crash) or possibly execute arbitrary code. (CVE-2016-7913)

    Pengfei Ding (), Chenfu Bao (), and Lenx Wei () discovered a race condition in the     generic SCSI driver (sg) of the Linux kernel. A local attacker could use this to cause a denial of service     (system crash) or possibly execute arbitrary code. (CVE-2017-0794)

    Eric Biggers discovered that the key management subsystem in the Linux kernel did not properly restrict     adding a key that already exists but is uninstantiated. A local attacker could use this to cause a denial     of service (system crash) or possibly execute arbitrary code. (CVE-2017-15299)

    It was discovered that a NULL pointer dereference could be triggered in the OCFS2 file system     implementation in the Linux kernel. A local attacker could use this to cause a denial of service (system     crash). (CVE-2017-18216)

    Luo Quan and Wei Yang discovered that a race condition existed in the Advanced Linux Sound Architecture     (ALSA) subsystem of the Linux kernel when handling ioctl()s. A local attacker could use this to cause a     denial of service (system deadlock). (CVE-2018-1000004)

     discovered that a race condition existed in the Advanced Linux Sound Architecture (ALSA)     subsystem of the Linux kernel that could lead to a use- after-free or an out-of-bounds buffer access. A     local attacker with access to /dev/snd/seq could use this to cause a denial of service (system crash) or     possibly execute arbitrary code. (CVE-2018-7566)

    It was discovered that a buffer overflow existed in the NFC Logical Link Control Protocol (llcp)     implementation in the Linux kernel. An attacker could use this to cause a denial of service (system crash)     or possibly execute arbitrary code. (CVE-2018-9518)

Tenable has extracted the preceding description block directly from the Ubuntu 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 nfc_llcp_build_sdreq_tlv of llcp_commands.c, there is a possible out of bounds write due to a missing     bounds check. This could lead to local escalation of privilege with System execution privileges needed.
    User interaction is not needed for exploitation. Product: Android. Versions: Android kernel. Android ID:
    A-73083945. (CVE-2018-9518)

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

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - In the Linux kernel 5.0.21, mounting a crafted btrfs     filesystem image, performing some operations, and     unmounting can lead to a use-after-free in     btrfs_queue_work in     fs/btrfs/async-thread.c.(CVE-2019-19377)

  - The fix for CVE-2019-11599, affecting the Linux kernel     before 5.0.10 was not complete. A local user could use     this flaw to obtain sensitive information, cause a     denial of service, or possibly have other unspecified     impacts by triggering a race condition with     mmget_not_zero or get_task_mm calls.(CVE-2019-14898)

  - A pivot_root race condition in fs/namespace.c in the     Linux kernel 4.4.x before 4.4.221, 4.9.x before     4.9.221, 4.14.x before 4.14.178, 4.19.x before     4.19.119, and 5.x before 5.3 allows local users to     cause a denial of service (panic) by corrupting a     mountpoint reference counter.(CVE-2020-12114)

  - usb_sg_cancel in drivers/usb/core/message.c in the     Linux kernel before 5.6.8 has a use-after-free because     a transfer occurs without a reference, aka     CID-056ad39ee925.(CVE-2020-12464)

  - The __mptctl_ioctl function in     drivers/message/fusion/mptctl.c in the Linux kernel     before 5.4.14 allows local users to hold an incorrect     lock during the ioctl operation and trigger a race     condition, i.e., a 'double fetch' vulnerability, aka     CID-28d76df18f0a. NOTE: the vendor states 'The security     impact of this bug is not as bad as it could have been     because these operations are all privileged and root     already has enormous destructive     power.'(CVE-2020-12652)

  - An issue was found in Linux kernel before 5.5.4. The     mwifiex_cmd_append_vsie_tlv() function in     drivers/net/wireless/marvell/mwifiex/scan.c allows     local users to gain privileges or cause a denial of     service because of an incorrect memcpy and buffer     overflow, aka CID-b70261a288ea.(CVE-2020-12653)

  - An issue was found in Linux kernel before 5.5.4.
    mwifiex_ret_wmm_get_status() in     drivers/net/wireless/marvell/mwifiex/wmm.c allows a     remote AP to trigger a heap-based buffer overflow     because of an incorrect memcpy, aka     CID-3a9b153c5591.(CVE-2020-12654)

  - An issue was discovered in xfs_agf_verify in     fs/xfs/libxfs/xfs_alloc.c in the Linux kernel through     5.6.10. Attackers may trigger a sync of excessive     duration via an XFS v5 image with crafted metadata, aka     CID-d0c7feaf8767.(CVE-2020-12655)

  - In nfc_llcp_build_sdreq_tlv of llcp_commands.c, there     is a possible out of bounds write due to a missing     bounds check. This could lead to local escalation of     privilege with System execution privileges needed. User     interaction is not needed for exploitation. Product:
    Android. Versions: Android kernel. Android ID:
    A-73083945.(CVE-2018-9518)

  - An issue was discovered in slc_bump in     drivers/net/can/slcan.c in the Linux kernel through     5.6.2. It allows attackers to read uninitialized     can_frame data, potentially containing sensitive     information from kernel stack memory, if the     configuration lacks CONFIG_INIT_STACK_ALL, aka     CID-b9258a2cece4.(CVE-2020-11494)

  - In the Android kernel in sync debug fs driver there is     a kernel pointer leak due to the usage of printf with     %p. This could lead to local information disclosure     with system execution privileges needed. User     interaction is not needed for     exploitation.(CVE-2019-9444)

  - In the Linux kernel before 5.4.12,     drivers/input/input.c has out-of-bounds writes via a     crafted keycode table, as demonstrated by     input_set_keycode, aka     CID-cb222aed03d7.(CVE-2019-20636)

  - An issue was discovered in the Linux kernel through     5.6.2. mpol_parse_str in mm/mempolicy.c has a     stack-based out-of-bounds write because an empty     nodelist is mishandled during mount option parsing, aka     CID-aa9f7d5172fa. NOTE: Someone in the security     community disagrees that this is a vulnerability     because the issue 'is a bug in parsing mount options     which can only be specified by a privileged user, so     triggering the bug does not grant any powers not     already held.'.(CVE-2020-11565)

  - An issue was discovered in the Linux kernel before     5.6.1. drivers/media/usb/gspca/ov519.c allows NULL     pointer dereferences in ov511_mode_init_regs and     ov518_mode_init_regs when there are zero endpoints, aka     CID-998912346c0d.(CVE-2020-11608)

  - An issue was discovered in the stv06xx subsystem in the     Linux kernel before 5.6.1.
    drivers/media/usb/gspca/stv06xx/stv06xx.c and     drivers/media/usb/gspca/stv06xx/stv06xx_pb0100.c     mishandle invalid descriptors, as demonstrated by a     NULL pointer dereference, aka     CID-485b06aadb93.(CVE-2020-11609)

  - In the Linux kernel before 5.5.8, get_raw_socket in     drivers/vhost/net.c lacks validation of an sk_family     field, which might allow attackers to trigger kernel     stack corruption via crafted system     calls.(CVE-2020-10942)

  - drivers/gpu/drm/radeon/radeon_display.c in the Linux     kernel 5.2.14 does not check the alloc_workqueue return     value, leading to a NULL pointer dereference. NOTE: A     third-party software maintainer states that the work     queue allocation is happening during device     initialization, which for a graphics card occurs during     boot. It is not attacker controllable and OOM at that     time is highly unlikely.(CVE-2019-16230)

  - In the netlink driver, there is a possible out of     bounds write due to a race condition. This could lead     to local escalation of privilege with System execution     privileges needed. User interaction is not needed for     exploitation.Product: AndroidVersions: Android     kernelAndroid ID: A-65025077(CVE-2020-0066)

  - The kernel in Red Hat Enterprise Linux 7 and MRG-2 does     not clear garbage data for SG_IO buffer, which may     leaking sensitive information to     userspace.(CVE-2014-8181)

  - btrfs_root_node in fs/btrfs/ctree.c in the Linux kernel     through 5.3.12 allows a NULL pointer dereference     because rcu_dereference(root->node) can be     zero.(CVE-2019-19036)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003738 advisory.

    In nfc_llcp_build_sdreq_tlv of llcp_commands.c, there is a possible out of bounds write due to a missing     bounds check. This could lead to local escalation of privilege with System execution privileges needed.
    User interaction is not needed for exploitation. Product: Android. Versions: Android kernel. Android ID:
    A-73083945.

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.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
118329	Ubuntu 14.04 LTS：Linux 内核漏洞 (USN-3798-1)	Nessus	Ubuntu Local Security Checks	2018/10/23	2024/8/27	high
246609	Linux Distros 未修补的漏洞：CVE-2018-9518	Nessus	Misc.	2025/8/9	2025/8/9	high
118329	Ubuntu 14.04 LTS：Linux 核心弱點 (USN-3798-1)	Nessus	Ubuntu Local Security Checks	2018/10/23	2024/8/27	high
246609	Linux Distros 未修補的弱點：CVE-2018-9518	Nessus	Misc.	2025/8/9	2025/8/9	high
118329	Ubuntu 14.04 LTS : Linux カーネル脆弱性 (USN-3798-1)	Nessus	Ubuntu Local Security Checks	2018/10/23	2024/8/27	high
246609	Linux Distros のパッチ未適用の脆弱性: CVE-2018-9518	Nessus	Misc.	2025/8/9	2025/8/9	high
288084	Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-003774)	Nessus	Unity Linux Local Security Checks	2026/1/16	2026/1/16	high
290478	Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001210)	Nessus	Unity Linux Local Security Checks	2026/1/16	2026/1/16	high
131845	EulerOS 2.0 SP2 : kernel (EulerOS-SA-2019-2353)	Nessus	Huawei Local Security Checks	2019/12/10	2024/4/5	critical
118329	Ubuntu 14.04 LTS : Linux kernel vulnerabilities (USN-3798-1)	Nessus	Ubuntu Local Security Checks	2018/10/23	2024/8/27	high
246609	Linux Distros Unpatched Vulnerability : CVE-2018-9518	Nessus	Misc.	2025/8/9	2025/8/9	high
137024	EulerOS 2.0 SP5 : kernel (EulerOS-SA-2020-1606)	Nessus	Huawei Local Security Checks	2020/6/2	2024/3/8	high
288437	Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003738)	Nessus	Unity Linux Local Security Checks	2026/1/16	2026/1/16	high
130736	EulerOS 2.0 SP3 : kernel (EulerOS-SA-2019-2274)	Nessus	Huawei Local Security Checks	2019/11/8	2026/1/12	critical

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