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CVE-2023-32257— Session race condition remote code execution vulnerability

CVSS 8.1 · High EPSS 0.12% · P30
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I. Basic Information for CVE-2023-32257

Vulnerability Information
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Vulnerability Title
Session race condition remote code execution vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. The specific flaw exists within the processing of SMB2_SESSION_SETUP and SMB2_LOGOFF commands. The issue results from the lack of proper locking when performing operations on an object. An attacker can leverage this vulnerability to execute code in the context of the kernel.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
使用共享资源的并发执行不恰当同步问题(竞争条件)
Source: NVD (National Vulnerability Database)
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存在安全漏洞，该漏洞源于SMB2_SESSION_SETUP 和 SMB2_LOGOFF命令处理存在缺陷，在对对象执行操作时缺乏正确的锁定，攻击者利用该漏洞可以在内核上下文中执行代码。
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

VendorProductAffected VersionsCPESubscribe
-kernel 6.4-rc1 -
Red HatRed Hat Enterprise Linux 6-cpe:/o:redhat:enterprise_linux:6
Red HatRed Hat Enterprise Linux 7-cpe:/o:redhat:enterprise_linux:7
Red HatRed Hat Enterprise Linux 7-cpe:/o:redhat:enterprise_linux:7
Red HatRed Hat Enterprise Linux 8-cpe:/o:redhat:enterprise_linux:8
Red HatRed Hat Enterprise Linux 8-cpe:/o:redhat:enterprise_linux:8
Red HatRed Hat Enterprise Linux 9-cpe:/o:redhat:enterprise_linux:9
Red HatRed Hat Enterprise Linux 9-cpe:/o:redhat:enterprise_linux:9
FedoraFedora--

II. Public POCs for CVE-2023-32257

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III. Intelligence Information for CVE-2023-32257

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Same Patch Batch · n/a · 2023-07-24 · 18 CVEs total

CVE-2023-322588.1 HIGHSession race condition remote code execution vulnerability
CVE-2023-322487.5 HIGHTree connection null pointer dereference denial-of-service vulnerability
CVE-2023-322527.5 HIGHSession null pointer dereference denial-of-service vulnerability
CVE-2023-322477.5 HIGHSession setup memory exhaustion denial-of-service vulnerability
CVE-2023-38636.4 MEDIUMUse-after-free in nfc_llcp_find_loca in net/nfc/llcp_core.c
CVE-2023-28604.4 MEDIUMOut-of-bounds read when setting hmac data
CVE-2023-37483.5 LOWInifinite loop in babld message parsing may cause dos
CVE-2023-13863.3 LOWQemu: 9pfs: suid/sgid bits not dropped on file write
CVE-2021-39421SeedDMS 跨站脚本漏洞
CVE-2022-30280Nokia NetAct 跨站请求伪造漏洞
CVE-2023-26077Atera Agent 安全漏洞
CVE-2023-37613Assembly Software Trialworks 跨站脚本漏洞
CVE-2023-26078Atera Agent 安全漏洞
CVE-2022-28863Nokia NetAct 代码问题漏洞
CVE-2022-28864Nokia NetAct 安全漏洞
CVE-2022-28865Nokia NetAct 跨站脚本漏洞
CVE-2022-28867Nokia NetAct 跨站脚本漏洞

IV. Related Vulnerabilities

Same product: kernel
Same vendor: n/a
Same weakness: CWE-362

V. Comments for CVE-2023-32257

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