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CVE-2023-42752— Kernel: integer overflow in igmpv3_newpack leading to exploitable memory access

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 igmpv3_newpack 存在溢出问题。

CVSS 5.5 · Medium EPSS 0.28% · P19
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I. Basic Information for CVE-2023-42752

Vulnerability Information
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Vulnerability Title
Kernel: integer overflow in igmpv3_newpack leading to exploitable memory access
Source: CVE Program / CVE List V5
Vulnerability Description
An integer overflow flaw was found in the Linux kernel. This issue leads to the kernel allocating `skb_shared_info` in the userspace, which is exploitable in systems without SMAP protection since `skb_shared_info` contains references to function pointers.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
整数溢出或超界折返
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 输入验证错误漏洞
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 igmpv3_newpack 存在溢出问题。
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 6.6-rc1 -
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-2023-42752

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III. Intelligence Information for CVE-2023-42752

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Patches & Fixes for CVE-2023-42752 (2)

Vendor Advisories for CVE-2023-42752 (2)

Exploits & Public PoCs for CVE-2023-42752 (1)

Same Patch Batch · n/a · 2023-10-13 · 9 CVEs total

CVE-2023-45468 NETIS SYSTEMS N3 安全漏洞
CVE-2023-45467 NETIS SYSTEMS N3 操作系统命令注入漏洞
CVE-2023-45466 NETIS SYSTEMS N3 命令注入漏洞
CVE-2023-45465 NETIS SYSTEMS N3 命令注入漏洞
CVE-2023-45464 NETIS SYSTEMS N3 安全漏洞
CVE-2023-45463 NETIS SYSTEMS N3 安全漏洞
CVE-2023-45393 GRANDING UTime Master 安全漏洞
CVE-2023-45391 GRANDING UTime Master 跨站脚本漏洞

IV. Related Vulnerabilities

Same product: Kernel
Same vendor: n/a
Same weakness: CWE-190

V. Comments for CVE-2023-42752

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