CVE-2016-8655

Exp

Race condition in net/packet/af_packet.c in the Linux kernel through 4.8.12 allows local users to gain privileges or cause a denial of service (use-after-free) by leveraging the CAP_NET_RAW capability to change a socket version, related to the packet_set_ring and packet_setsockopt functions.

公開： 2016-12-08 最後更新： 2026-06-16 指派方： [email protected] 來源： [email protected]
NVD 狀態：Modified，CVE 狀態： published
檢視： NVD, CVE.org, EUVD

CVE-2016-8655 綜合評估為高可利用風險（74.6/100）：CVSS 技術影響為高級，利用機率偏高（EPSS 11.13%，百分位 95%） 已收錄 3 筆公開利用參考（Exploit-DB）。 存在公開利用—請盤點暴露面、落實緩解措施並優先修補。

風險隨態勢動態變化；本站持續評估並同步更新本頁展示內容。

CVE-2016-8655 的公開 exploit 引用（Exploit-DB）

EDB-ID 來源 類型 公開時間 連結
47170 exploit_db edb 2018-12-29 Exploit-DB ↗
44696 exploit_db edb 2018-05-22 Exploit-DB ↗
40871 exploit_db edb 2016-12-06 Exploit-DB ↗

CVE-2016-8655 的 EPSS（利用預測評分）

EPSS 日更估計相對被利用可能性；百分位表示該 CVE 在已評分漏洞中的相對排名（越高表示相對更嚴重）。

# 日期 舊 EPSS 分數 新 EPSS 分數 變化（新 − 舊）
1 2026-06-15 47.99% 11.13% -36.86%
2 2026-06-08 47.36% 47.99% +0.63%
3 2026-06-03 — 47.36% —

完整 EPSS 歷史 （共 43 筆）

CVE-2016-8655 的 CVSS 指標

該 CVE 的 CVSS 指標。

底座分 版本 嚴重度 向量 可利用性 影響 分數來源
7.8 3.1 HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H 點擊展開
攻擊向量 (AV:L)
需先取得主機上的執行面，或仰賴其他使用者誤操作／惡意操作才會觸發。
攻擊複雜度 (AC:L)
前置條件清楚，成功路徑穩定，不必仰賴罕見競態或極端環境。
權限需求 (PR:L)
一般使用者權限即可，不必是管理員或 root。
使用者互動 (UI:N)
不必受害者點連結、放行巨集或安裝軟體，攻擊鏈可自動走完。
作用域 (S:U)
破壞局限在脆弱元件原本的安全權限與信任域之內。
機密性影響 (C:H)
大量讀取、匯出或長期潛伏竊取機敏資料，在實務上成立。
完整性影響 (I:H)
可竄改稽核紀錄、植入後門或大面積偽造業務資料，動搖信任根基。
可用性影響 (A:H)
可造成長時間中斷、關鍵交易無法完成，或伴隨資料毀損導致難以自癒。
 1.8 5.9 [email protected]
7.2 2.0 HIGH
AV:L/AC:L/Au:N/C:C/I:C/A:C 點擊展開
存取路徑 (AV:L)
需本機登入或本機互動，僅遠端觸達不足以單獨完成利用。
存取複雜度 (AC:L)
步驟短、路徑清楚，重現成本低。
認證 (AU:N)
全程無需有效身分。
機密性影響 (C:C)
機密性被完全破壞。
完整性影響 (I:C)
完整性被完全破壞。
可用性影響 (A:C)
可用性被完全破壞。
 3.9 10.0 [email protected]

CVE-2016-8655 的弱點列舉

CVE-2016-8655 的 OS 追蹤

vendor priority summary link
debian not yet assigned CVE-2016-8655 not yet assigned priority: Debian including 1 source packages (linux), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2016-8655
redhat high — https://access.redhat.com/security/cve/CVE-2016-8655
suse medium CVE-2016-8655 severity moderate: SUSE including 208 source package names (cluster-md-kmp-default-4.4.21-84.1, cluster-network-kmp-default-4.4.21-84.1, …), 571 product×package rows across 84 product lines (HPE Helion OpenStack 8, SLES for SAP Applications 11 SP3, … (84 product lines)): Known Not Affected 342, Fixed 229. https://www.suse.com/security/cve/CVE-2016-8655/
ubuntu high CVE-2016-8655 high priority: Ubuntu including 27 source packages (linux, linux-armadaxp, …), 162 status rows across 6 suites (precise, trusty, upstream, xenial, yakkety, zesty): DNE 103, released 40, ignored 11, not-affected 8. https://ubuntu.com/security/CVE-2016-8655

CVE-2016-8655 的影響軟體 / 設定

廠商 產品 版本 原始 CPE
linux linux_kernel >= 3.2, < 3.2.85 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linux linux_kernel >= 3.3, < 3.10.106 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linux linux_kernel >= 3.11, < 3.12.69 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linux linux_kernel >= 3.13, < 3.16.40 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linux linux_kernel >= 3.17, < 3.18.46 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linux linux_kernel >= 3.19, < 4.1.37 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linux linux_kernel >= 4.2, < 4.4.38 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linux linux_kernel >= 4.5, < 4.8.14 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
canonical ubuntu_linux 12.04 cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*
canonical ubuntu_linux 14.04 cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
canonical ubuntu_linux 16.04 cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
canonical ubuntu_linux 16.10 cpe:2.3:o:canonical:ubuntu_linux:16.10:*:*:*:*:*:*:*

CVE-2016-8655 的參考連結

URL 標籤
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=84ac7260236a49c79eede91617700174c2c19b0c Patch Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00044.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00054.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00055.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00056.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00067.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00070.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00073.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00076.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00077.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00087.html Mailing List Third Party Advisory
http://packetstormsecurity.com/files/140063/Linux-Kernel-4.4.0-AF_PACKET-Race-Condition-Privilege-Escalation.html Third Party Advisory VDB Entry
http://rhn.redhat.com/errata/RHSA-2017-0386.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-0387.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-0402.html Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/12/06/1 Mailing List Third Party Advisory
http://www.securityfocus.com/bid/94692 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1037403 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1037968 Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-3149-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-3149-2 Third Party Advisory
http://www.ubuntu.com/usn/USN-3150-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-3150-2 Third Party Advisory
http://www.ubuntu.com/usn/USN-3151-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-3151-2 Third Party Advisory
http://www.ubuntu.com/usn/USN-3151-3 Third Party Advisory
http://www.ubuntu.com/usn/USN-3151-4 Third Party Advisory
http://www.ubuntu.com/usn/USN-3152-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-3152-2 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1400019 Issue Tracking Third Party Advisory VDB Entry
https://github.com/torvalds/linux/commit/84ac7260236a49c79eede91617700174c2c19b0c Patch Third Party Advisory
https://source.android.com/security/bulletin/2017-03-01.html Third Party Advisory
https://www.exploit-db.com/exploits/40871/ Third Party Advisory VDB Entry
https://www.exploit-db.com/exploits/44696/ Third Party Advisory VDB Entry
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