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CVE-2023-3019— Qemu: e1000e: heap use-after-free in e1000e_write_packet_to_guest()

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.

QEMU（Quick Emulator）是法国法布里斯-贝拉（Fabrice Bellard）个人开发者的一套模拟处理器软件。该软件具有速度快、跨平台等特点。 QEMU存在安全漏洞，该漏洞源于e1000e NIC仿真代码存在释放后重用问题。攻击者可利用该漏洞使主机上的QEMU进程崩溃，进而导致拒绝服务。

CVSS 6.0 · Medium EPSS 0.32% · P25

Affected Version Matrix 11

VendorProduct Version RangeStatus
Red Hat Red Hat Enterprise Linux 6 any unknown
Red Hat Red Hat Enterprise Linux 7 any unknown
any unknown
Red Hat Red Hat Enterprise Linux 8 8090020231206155326.a75119d5< * unaffected
8090020231206155326.a75119d5< * unaffected
Red Hat Red Hat Enterprise Linux 8 Advanced Virtualization any affected
Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support 8060020231128234847.ad008a3a< * unaffected
8060020231128234847.ad008a3a< * unaffected
Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support 8080020240116113044.63b34585< * unaffected
8080020240116113044.63b34585< * unaffected
Red Hat Red Hat Enterprise Linux 9 17:8.2.0-11.el9_4< * unaffected
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I. Basic Information for CVE-2023-3019

Vulnerability Information
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Vulnerability Title
Qemu: e1000e: heap use-after-free in e1000e_write_packet_to_guest()
Source: CVE Program / CVE List V5
Vulnerability Description
A DMA reentrancy issue leading to a use-after-free error was found in the e1000e NIC emulation code in QEMU. This issue could allow a privileged guest user to crash the QEMU process on the host, resulting in a denial of service.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/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
QEMU 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
QEMU（Quick Emulator）是法国法布里斯-贝拉（Fabrice Bellard）个人开发者的一套模拟处理器软件。该软件具有速度快、跨平台等特点。 QEMU存在安全漏洞，该漏洞源于e1000e NIC仿真代码存在释放后重用问题。攻击者可利用该漏洞使主机上的QEMU进程崩溃，进而导致拒绝服务。
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 8090020231206155326.a75119d5 ~ * cpe:/a:redhat:enterprise_linux:8::crb
Red Hat Red Hat Enterprise Linux 8 8090020231206155326.a75119d5 ~ * cpe:/a:redhat:enterprise_linux:8::crb
Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support 8060020231128234847.ad008a3a ~ * cpe:/a:redhat:rhel_eus:8.6::appstream
Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support 8060020231128234847.ad008a3a ~ * cpe:/a:redhat:rhel_eus:8.6::appstream
Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support 8080020240116113044.63b34585 ~ * cpe:/a:redhat:rhel_eus:8.8::appstream
Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support 8080020240116113044.63b34585 ~ * cpe:/a:redhat:rhel_eus:8.8::appstream
Red Hat Red Hat Enterprise Linux 9 17:8.2.0-11.el9_4 ~ * 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 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 Advanced Virtualization - cpe:/a:redhat:advanced_virtualization:8::el8

II. Public POCs for CVE-2023-3019

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III. Intelligence Information for CVE-2023-3019

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Vendor Advisories for CVE-2023-3019 (7)

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-2023-33951 6.7 MEDIUM Kernel: vmwgfx: race condition leading to information disclosure vulnerability
CVE-2023-3750 6.5 MEDIUM Libvirt: improper locking in virstoragepoolobjlistsearch may lead to denial of service
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

Same product: Red Hat Enterprise Linux 8
Same vendor: Red Hat
Same weakness: CWE-416

V. Comments for CVE-2023-3019

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