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CVE-2022-2586

Quick assessment

Affected
The Linux Kernel Organization linux
Exploitation
Confirmed exploitation in the wild; remediate immediately
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 nf_tables cross-table存在安全漏洞，该漏洞源于释放后重用，允许本地特权攻击者在删除表时导致释放后重用，可能导致本地特权升级。

CVSS 5.3 · Medium KEV EPSS 10.20% · P96

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 7

VendorProduct Version RangeStatus
The Linux Kernel Organization linux 3.16< 4.14.316 affected
4.15< 4.19.256 affected
4.20< 5.4.211 affected
5.5< 5.10.137 affected
5.11< 5.15.61 affected
5.16< 5.18.18 affected
5.19< 5.19.2 affected
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I. Basic Information for CVE-2022-2586

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
It was discovered that a nft object or expression could reference a nft set on a different nft table, leading to a use-after-free once that table was deleted.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
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 nf_tables cross-table存在安全漏洞，该漏洞源于释放后重用，允许本地特权攻击者在删除表时导致释放后重用，可能导致本地特权升级。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
The Linux Kernel Organization linux 3.16 ~ 4.14.316 -

II. Public POCs for CVE-2022-2586

# POC Description Source Link Shenlong Link
1 CVE-2022-2586: Linux kernel nft_object UAF https://github.com/aels/CVE-2022-2586-LPE POC Details
2 gcc exploit.c -o exploit -lmnl -lnftnl -no-pie -lpthread https://github.com/sniper404ghostxploit/CVE-2022-2586 POC Details
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III. Intelligence Information for CVE-2022-2586

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Vendor Advisories for CVE-2022-2586 (11)

Mailing List Discussions for CVE-2022-2586 (1)

Other References for CVE-2022-2586 (1)

Same Patch Batch · The Linux Kernel Organization · 2024-01-08 · 6 CVEs total

CVE-2021-3600 7.8 HIGH Linux kernel 安全漏洞
CVE-2022-2585 5.3 MEDIUM Linux kernel 安全漏洞
CVE-2022-2588 5.3 MEDIUM Linux kernel 安全漏洞
CVE-2022-2602 5.3 MEDIUM Linux kernel 安全漏洞
CVE-2023-1032 4.7 MEDIUM Linux kernel 安全漏洞

IV. Related Vulnerabilities

Same product: linux
Same vendor: The Linux Kernel Organization
Same weakness: CWE-416

V. Comments for CVE-2022-2586

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