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CVE-2023-2163

Good to know:

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Date: September 20, 2023

Incorrect verifier pruning in BPF in Linux Kernel >=5.4 leads to unsafe code paths being incorrectly marked as safe, resulting in arbitrary read/write in kernel memory, lateral privilege escalation, and container escape.

Language: C

Severity Score

Related Resources (5)

https://security-tracker.debian.org/tracker/CVE-2023-2163
https://github.com/gregkh/linux/commit/71b547f561247897a0a14f3082730156c0533fed
https://nvd.nist.gov/vuln/detail/CVE-2023-2163
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=71b547f561247897a0a14f3082730156c0533fed
https://www.mend.io/vulnerability-database/CVE-2023-2163

Severity Score

Weakness Type (CWE)

Incorrect Calculation

CWE-682

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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