CVE-2023-6622— Kernel: null pointer dereference vulnerability in nft_dynset_init()
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I. Basic Information for CVE-2023-6622
Vulnerability Information
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Vulnerability Title
Kernel: null pointer dereference vulnerability in nft_dynset_init()
Source: NVD (National Vulnerability Database)
Vulnerability Description
A null pointer dereference vulnerability was found in nft_dynset_init() in net/netfilter/nft_dynset.c in nf_tables in the Linux kernel. This issue may allow a local attacker with CAP_NET_ADMIN user privilege to trigger a denial of service.
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
空指针解引用
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，该漏洞源于函数nft_dynset_init（）存在空指针取消引用问题。
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 8 | 0:4.18.0-553.rt7.342.el8_10 ~ * | cpe:/a:redhat:enterprise_linux:8::nfv | |
| Red Hat | Red Hat Enterprise Linux 8 | 0:4.18.0-553.el8_10 ~ * | cpe:/o:redhat:enterprise_linux:8::baseos | |
| Red Hat | Red Hat Enterprise Linux 9 | 0:5.14.0-427.13.1.el9_4 ~ * | cpe:/a:redhat:enterprise_linux:9::nfv | |
| Red Hat | Red Hat Enterprise Linux 9 | 0:5.14.0-427.13.1.el9_4 ~ * | cpe:/a:redhat:enterprise_linux:9::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-2023-6622
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Same Patch Batch · Red Hat · 2023-12-08 · 3 CVEs total
| CVE-2023-6610 | 7.1 HIGH | Kernel: oob access in smb2_dump_detail |
| CVE-2023-6606 | 7.1 HIGH | Kernel: out-of-bounds read vulnerability in smbcalcsize |
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V. Comments for CVE-2023-6622
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