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CVE-2023-5380— Xorg-x11-server: use-after-free bug in destroywindow

Quick assessment

Affected
Red Hat Red Hat Enterprise Linux 7
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.

xorg-x11-server是X.org基金会的一款X窗口系统显示服务器。 xorg-x11-server存在安全漏洞，该漏洞源于存在内存释放后重用问题。

CVSS 4.7 · Medium EPSS 0.71% · P52

Possible ATT&CK Techniques 1 AI

T1211 · Exploitation for Stealth

Affected Version Matrix 10

VendorProduct Version RangeStatus
Red Hat Red Hat Enterprise Linux 6 any unknown
any unknown
Red Hat Red Hat Enterprise Linux 7 0:1.8.0-26.el7_9< * unaffected
any affected
Red Hat Red Hat Enterprise Linux 8 0:1.20.11-22.el8< * unaffected
0:1.13.1-8.el8< * unaffected
any unaffected
Red Hat Red Hat Enterprise Linux 9 0:1.20.11-24.el9< * unaffected
0:1.13.1-8.el9< * unaffected
any unaffected
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I. Basic Information for CVE-2023-5380

Vulnerability Information
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Vulnerability Title
Xorg-x11-server: use-after-free bug in destroywindow
Source: CVE Program / CVE List V5
Vulnerability Description
A use-after-free flaw was found in the xorg-x11-server. An X server crash may occur in a very specific and legacy configuration (a multi-screen setup with multiple protocol screens, also known as Zaphod mode) if the pointer is warped from within a window on one screen to the root window of the other screen and if the original window is destroyed followed by another window being destroyed.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5
Vulnerability Title
xorg-x11-server 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
xorg-x11-server是X.org基金会的一款X窗口系统显示服务器。 xorg-x11-server存在安全漏洞，该漏洞源于存在内存释放后重用问题。
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
Red Hat Red Hat Enterprise Linux 7 0:1.8.0-26.el7_9 ~ * cpe:/o:redhat:enterprise_linux:7::client
Red Hat Red Hat Enterprise Linux 8 0:1.20.11-22.el8 ~ * cpe:/a:redhat:enterprise_linux:8::crb
Red Hat Red Hat Enterprise Linux 8 0:1.13.1-8.el8 ~ * cpe:/a:redhat:enterprise_linux:8::appstream
Red Hat Red Hat Enterprise Linux 9 0:1.20.11-24.el9 ~ * cpe:/a:redhat:enterprise_linux:9::crb
Red Hat Red Hat Enterprise Linux 9 0:1.13.1-8.el9 ~ * cpe:/a:redhat:enterprise_linux:9::appstream
Red Hat Red Hat Enterprise Linux 6 - cpe:/o:redhat:enterprise_linux:6
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 8 - cpe:/o:redhat:enterprise_linux:8
Red Hat Red Hat Enterprise Linux 9 - cpe:/o:redhat:enterprise_linux:9

II. Public POCs for CVE-2023-5380

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III. Intelligence Information for CVE-2023-5380

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Vendor Advisories for CVE-2023-5380 (10)

Mailing List Discussions for CVE-2023-5380 (7)

Same Patch Batch · Red Hat · 2023-10-25 · 4 CVEs total

CVE-2023-5367 7.8 HIGH Xorg-x11-server: out-of-bounds write in xichangedeviceproperty/rrchangeoutputproperty
CVE-2023-5574 7.0 HIGH Xorg-x11-server: use-after-free bug in damagedestroy
CVE-2023-4693 5.3 MEDIUM Grub2: out-of-bounds read at fs/ntfs.c

IV. Related Vulnerabilities

Same product: Red Hat Enterprise Linux 7
Same vendor: Red Hat
Same weakness: CWE-416

V. Comments for CVE-2023-5380

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