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The vulnerability of the adjust_ptr_min_max_vals() function in the kernel/bpf/verifier.c module, which is part of the BPF interpreter support in the Linux operating system’s kernel, allows attackers to compromise the confidentiality and accessibility of protected information.

🗓️ 18 Mar 2025 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec
🔗 bdu.fstec.ru👁 6 Views

Vulnerability in adjust_ptr_min_max_vals of the kernel bpf verifier allows input validation bypass risking data confidentiality.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2021-46908
27 Feb 202407:15
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Amazon Linux 2 : kernel (ALASKERNEL-5.10-2022-001)
2 May 202200:00
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TencentOS Server 3: kernel (TSSA-2024:0719)
16 Jun 202500:00
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TencentOS Server 2: kernel (TSSA-2024:0720)
16 Jun 202500:00
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Linux Distros Unpatched Vulnerability : CVE-2021-46908
5 Mar 202500:00
nessus
Amazon
Important: kernel
28 Jan 202200:00
amazon
Circl
CVE-2021-46908
27 Feb 202408:21
circl
CNNVD
Linux kernel security vulnerabilities
27 Feb 202400:00
cnnvd
CVE
CVE-2021-46908
27 Feb 202406:53
cve
Cvelist
CVE-2021-46908 bpf: Use correct permission flag for mixed signed bounds arithmetic
27 Feb 202406:53
cvelist
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18 Mar 2025 00:00Current
6.7Medium risk
Vulners AI Score6.7
CVSS 24.6
CVSS 35.5
EPSS0.00004
6