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CVE-2022-3606— Linux Kernel BPF libbpf.c find_prog_by_sec_insn null pointer dereference

Quick assessment

Affected
Linux Kernel
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，该漏洞源于错误操作导致空指针取消引用。

CVSS 3.5 · Low EPSS 0.33% · P26

Possible ATT&CK Techniques 1 AI

T1211 · Exploitation for Stealth
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I. Basic Information for CVE-2022-3606

Vulnerability Information
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Vulnerability Title
Linux Kernel BPF libbpf.c find_prog_by_sec_insn null pointer dereference
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in Linux Kernel. It has been classified as problematic. This affects the function find_prog_by_sec_insn of the file tools/lib/bpf/libbpf.c of the component BPF. The manipulation leads to null pointer dereference. It is recommended to apply a patch to fix this issue. The identifier VDB-211749 was assigned to this vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
不恰当的资源关闭或释放
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，该漏洞源于错误操作导致空指针取消引用。
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
Linux Kernel n/a -

II. Public POCs for CVE-2022-3606

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III. Intelligence Information for CVE-2022-3606

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Patches & Fixes for CVE-2022-3606 (1)

Vendor Advisories for CVE-2022-3606 (1)

IV. Related Vulnerabilities

Same product: Kernel
Same vendor: Linux
Same weakness: CWE-404

V. Comments for CVE-2022-3606

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