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I. Basic Information for CVE-2023-4133
Vulnerability Information
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Vulnerability Title
Kernel: cxgb4: use-after-free in ch_flower_stats_cb()
Source: NVD (National Vulnerability Database)
Vulnerability Description
A use-after-free vulnerability was found in the cxgb4 driver in the Linux kernel. The bug occurs when the cxgb4 device is detaching due to a possible rearming of the flower_stats_timer from the work queue. This flaw allows a local user to crash the system, causing a denial of service condition.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
释放后使用
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 资源管理错误漏洞
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cxgb4 驱动程序中发现了释放后重用问题，当 cxgb4 设备因工作队列中的flower_stats_timer 重新配置而分离时，使系统崩溃，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
VendorProductAffected VersionsCPESubscribe
Red HatRed Hat Enterprise Linux 8 0:4.18.0-553.rt7.342.el8_10 ~ * cpe:/a:redhat:enterprise_linux:8::realtime
Red HatRed Hat Enterprise Linux 8 0:4.18.0-553.el8_10 ~ * cpe:/a:redhat:enterprise_linux:8::crb
Red HatRed Hat Enterprise Linux 9 0:5.14.0-427.13.1.el9_4 ~ * cpe:/a:redhat:enterprise_linux:9::appstream
Red HatRed Hat Enterprise Linux 9 0:5.14.0-427.13.1.el9_4 ~ * cpe:/a:redhat:enterprise_linux:9::appstream
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 9-cpe:/o:redhat:enterprise_linux:9
II. Public POCs for CVE-2023-4133
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III. Intelligence Information for CVE-2023-4133
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IV. Related Vulnerabilities
Same product: Red Hat Enterprise Linux 8
Same vendor: Red Hat
Same weakness: CWE-416
V. Comments for CVE-2023-4133

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