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CVE-2017-18202

Quick assessment

Affected

n/a n/a

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。 Linux kernel 4.14.4之前版本中的mm/oom_kill.c文件的‘__oom_reap_task_mm’函数存在安全漏洞。攻击者可利用该漏洞造成拒绝服务（TLB条目泄露或释放后重用）。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.38% · P32 Updated Feb 21, 2026

Possible ATT&CK Techniques 1 AI

T1027 · Obfuscated Files or Information

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I. Basic Information for CVE-2017-18202

Vulnerability Information

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Vulnerability Title

N/A

Source: CVE Program / CVE List V5

Vulnerability Description

The __oom_reap_task_mm function in mm/oom_kill.c in the Linux kernel before 4.14.4 mishandles gather operations, which allows attackers to cause a denial of service (TLB entry leak or use-after-free) or possibly have unspecified other impact by triggering a copy_to_user call within a certain time window.

Source: CVE Program / CVE List V5

CVSS Information

N/A

Source: CVE Program / CVE List V5

Vulnerability Type

N/A

Source: CVE Program / CVE List V5

Vulnerability Title

Linux kernel 安全漏洞

Source: CNNVD (China National Vulnerability Database)

Vulnerability Description

Source: CNNVD (China National Vulnerability Database)

CVSS Information

N/A

Source: CNNVD (China National Vulnerability Database)

Vulnerability Type

N/A

Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
-	n/a	n/a	-

II. Public POCs for CVE-2017-18202

#	POC Description	Source Link	Shenlong Link

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No public POC found.

III. Intelligence Information for CVE-2017-18202

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Patches & Fixes for CVE-2017-18202 (2)

https://github.com/torvalds/linux/commit/687cb0884a714ff484d038e9190edc874edcf146 x_refsource_MISC
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=687cb0884a714ff484d038e9190edc874edcf146 x_refsource_MISC

Vendor Advisories for CVE-2017-18202 (2)

http://www.securityfocus.com/bid/103161 vdb-entry x_refsource_BID
https://access.redhat.com/errata/RHSA-2018:2772 vendor-advisory x_refsource_REDHAT

https://www.cve.org/CVERecord?id=CVE-2017-18202

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Showing top 20 of 65 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: n/a

Same vendor: n/a