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CVE-2023-4611— Use after free race between mbind() and vma-locked page fault

Quick assessment

Affected
n/a Kernel
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基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于内存管理子系统存在释放后重用，可能允许本地攻击者使系统崩溃或导致内核信息泄漏。

CVSS 7.0 · High EPSS 0.26% · P17

Possible ATT&CK Techniques 1 AI

T1083 · File and Directory Discovery
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I. Basic Information for CVE-2023-4611

Vulnerability Information
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Vulnerability Title
Use after free race between mbind() and vma-locked page fault
Source: CVE Program / CVE List V5
Vulnerability Description
A use-after-free flaw was found in mm/mempolicy.c in the memory management subsystem in the Linux Kernel. This issue is caused by a race between mbind() and VMA-locked page fault, and may allow a local attacker to crash the system or lead to a kernel information leak.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/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 资源管理错误漏洞
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存在安全漏洞，该漏洞源于内存管理子系统存在释放后重用，可能允许本地攻击者使系统崩溃或导致内核信息泄漏。
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
- Kernel 6.5-rc4 -
Red Hat Red Hat Enterprise Linux 6 - cpe:/o:redhat:enterprise_linux:6
Red Hat Red Hat Enterprise Linux 7 - cpe:/o:redhat:enterprise_linux:7
Red Hat Red Hat Enterprise Linux 7 - cpe:/o:redhat:enterprise_linux:7
Red Hat Red Hat Enterprise Linux 8 - cpe:/o:redhat:enterprise_linux:8
Red Hat Red Hat Enterprise Linux 8 - cpe:/o:redhat:enterprise_linux:8
Red Hat Red Hat Enterprise Linux 9 - cpe:/o:redhat:enterprise_linux:9
Red Hat Red Hat Enterprise Linux 9 - cpe:/o:redhat:enterprise_linux:9
Fedora Fedora - -

II. Public POCs for CVE-2023-4611

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III. Intelligence Information for CVE-2023-4611

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Vendor Advisories for CVE-2023-4611 (2)

Other References for CVE-2023-4611 (1)

Same Patch Batch · n/a · 2023-08-29 · 28 CVEs total

CVE-2023-34039 9.8 CRITICAL VMware Aria Operations 加密问题漏洞
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CVE-2023-41266 8.2 HIGH Qlik Sense 输入验证错误漏洞
CVE-2023-20890 7.2 HIGH VMware Aria Operations 路径遍历漏洞
CVE-2023-38971 Badaso 跨站脚本漏洞
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CVE-2023-41153 Webmin Usermin 跨站脚本漏洞
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CVE-2023-39558 Audimex AG AudimexEE 跨站脚本漏洞
CVE-2023-39559 Audimex AG AudimexEE 路径遍历漏洞
CVE-2021-3262 TripSpark VEO SQL注入漏洞
CVE-2023-39663 MathJax 安全漏洞
CVE-2023-39678 BDCOM OLT P3310D-2AC 跨站脚本漏洞
CVE-2023-38283 OpenBSD 代码问题漏洞
CVE-2023-38802 FRRouting FRR 安全漏洞
CVE-2023-41362 MyBB 代码注入漏洞
CVE-2023-41376 Nokia Service Router Operating System 安全漏洞
CVE-2023-39615 libxml2 缓冲区错误漏洞
CVE-2023-39616 AOMedia 缓冲区错误漏洞
CVE-2023-40889 ZBar 缓冲区错误漏洞

Showing top 20 of 28 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Kernel
Same vendor: n/a
Same weakness: CWE-416

V. Comments for CVE-2023-4611

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