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CVE-2023-33951— Kernel: vmwgfx: race condition leading to information disclosure vulnerability

Quick assessment

Affected
Red Hat Red Hat Enterprise Linux 8
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,该漏洞源于在对象执行操作时缺乏正确的锁定,攻击者可以利用此漏洞泄露内核上下文中的信息。

CVSS 6.7 · Medium EPSS 0.34% · P25

Possible ATT&CK Techniques 1 AI

T1003.001 · LSASS Memory
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I. Basic Information for CVE-2023-33951

Vulnerability Information

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Vulnerability Title
Kernel: vmwgfx: race condition leading to information disclosure vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A race condition vulnerability was found in the vmwgfx driver in the Linux kernel. The flaw exists within the handling of GEM objects. The issue results from improper locking when performing operations on an object. This flaw allows a local privileged user to disclose information in the context of the kernel.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
资源加锁不恰当
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存在安全漏洞,该漏洞源于在对象执行操作时缺乏正确的锁定,攻击者可以利用此漏洞泄露内核上下文中的信息。
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 8 0:4.18.0-513.5.1.rt7.307.el8_9 ~ * cpe:/a:redhat:enterprise_linux:8::nfv
Red Hat Red Hat Enterprise Linux 8 0:4.18.0-513.5.1.el8_9 ~ * cpe:/o:redhat:enterprise_linux:8::baseos
Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support 0:4.18.0-477.51.1.el8_8 ~ * cpe:/a:redhat:rhel_eus:8.8::crb
Red Hat Red Hat Enterprise Linux 9 0:5.14.0-362.8.1.el9_3 ~ * cpe:/a:redhat:enterprise_linux:9::appstream
Red Hat Red Hat Enterprise Linux 9 0:5.14.0-362.8.1.el9_3 ~ * cpe:/a:redhat:enterprise_linux:9::appstream
Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support 0:5.14.0-284.75.1.el9_2 ~ * cpe:/o:redhat:rhel_eus:9.2::baseos
Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support 0:5.14.0-284.75.1.rt14.360.el9_2 ~ * cpe:/a:redhat:rhel_eus:9.2::nfv
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 9 - cpe:/o:redhat:enterprise_linux:9

II. Public POCs for CVE-2023-33951

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III. Intelligence Information for CVE-2023-33951

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Vendor Advisories for CVE-2023-33951 (8)

Same Patch Batch · Red Hat · 2023-07-24 · 10 CVEs total

CVE-2023-3812 7.8 HIGH Kernel: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags
CVE-2023-38200 7.5 HIGH Keylime: registrar is subject to a dos against ssl connections
CVE-2023-3567 7.1 HIGH Kernel: use after free in vcs_read in drivers/tty/vt/vc_screen.c due to race
CVE-2023-3640 7.0 HIGH Kernel: x86/mm: a per-cpu entry area leak was identified through the init_cea_offsets func
CVE-2023-33952 6.7 MEDIUM Kernel: vmwgfx: double free within the handling of vmw_buffer_object objects
CVE-2023-3750 6.5 MEDIUM Libvirt: improper locking in virstoragepoolobjlistsearch may lead to denial of service
CVE-2023-3019 6.0 MEDIUM Qemu: e1000e: heap use-after-free in e1000e_write_packet_to_guest()
CVE-2023-3745 5.5 MEDIUM Imagemagick: heap-buffer-overflow in pushcharpixel() in quantum-private.h
CVE-2023-3384 5.4 MEDIUM Quay: stored cross site scripting

IV. Related Vulnerabilities

V. Comments for CVE-2023-33951

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