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CVE-2022-29581

Quick assessment

Affected
Linux Kernel
Exploitation
Public or AI PoC available; prioritize validation
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基金会的开源操作系统Linux所使用的内核。 Linux kernel 4.14 版本到 5.18 版本存在安全漏洞，该漏洞源于 net/sched 中的引用计数更新不当。本地攻击者利用该漏洞可以将权限提升到root。

CVSS 7.8 · High EPSS 0.93% · P59
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I. Basic Information for CVE-2022-29581

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Improper Update of Reference Count vulnerability in net/sched of Linux Kernel allows local attacker to cause privilege escalation to root. This issue affects: Linux Kernel versions prior to 5.18; version 4.14 and later versions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
引用计数的更新不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel 4.14 版本到 5.18 版本存在安全漏洞，该漏洞源于 net/sched 中的引用计数更新不当。本地攻击者利用该漏洞可以将权限提升到root。
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
Linux Kernel unspecified ~ 5.18 -

II. Public POCs for CVE-2022-29581

# POC Description Source Link Shenlong Link
1 None https://github.com/Nidhi77777/linux-4.19.72_CVE-2022-29581 POC Details
2 None https://github.com/nidhihcl/linux-4.19.72_CVE-2022-29581 POC Details
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III. Intelligence Information for CVE-2022-29581

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Patches & Fixes for CVE-2022-29581 (1)

Vendor Advisories for CVE-2022-29581 (2)

Exploits & Public PoCs for CVE-2022-29581 (1)

Other References for CVE-2022-29581 (1)

IV. Related Vulnerabilities

Same product: Kernel
Same vendor: Linux
Same weakness: CWE-911

V. Comments for CVE-2022-29581

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