CVE-2023-39189— Kernel: netfilter: nftables out-of-bounds read in nf_osf_match_one()
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I. Basic Information for CVE-2023-39189
Vulnerability Information
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Vulnerability Title
Kernel: netfilter: nftables out-of-bounds read in nf_osf_match_one()
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw was found in the Netfilter subsystem in the Linux kernel. The nfnl_osf_add_callback function did not validate the user mode controlled opt_num field. This flaw allows a local privileged (CAP_NET_ADMIN) attacker to trigger an out-of-bounds read, leading to a crash or information disclosure.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨界内存读
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 缓冲区错误漏洞
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nfnl_osf_add_callback函数未验证用户模式控制的opt_num字段。攻击者利用该漏洞导致系统崩溃或信息泄露。
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:/a:redhat:enterprise_linux:8::crb | |
| Red Hat | Red Hat Enterprise Linux 9 | 0:5.14.0-427.13.1.el9_4 ~ * | cpe:/a:redhat:enterprise_linux:9::crb | |
| Red Hat | Red Hat Enterprise Linux 9 | 0:5.14.0-427.13.1.el9_4 ~ * | cpe:/a:redhat:enterprise_linux:9::crb | |
| 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-2023-39189
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Same Patch Batch · Red Hat · 2023-10-09 · 4 CVEs total
| CVE-2023-39192 | 6.7 MEDIUM | Kernel: netfilter: xtables out-of-bounds read in u32_match_it() |
| CVE-2023-39193 | 6.1 MEDIUM | Kernel: netfilter: xtables sctp out-of-bounds read in match_flags() |
| CVE-2023-39194 | 3.2 LOW | Kernel: xfrm: out-of-bounds read in __xfrm_state_filter_match() |
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V. Comments for CVE-2023-39189
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