SB2023031725 - SUSE update for libbpf

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Main Vulnerability Database SB2023031725

SB2023031725 - SUSE update for libbpf

Published: March 17, 2023

Security Bulletin ID SB2023031725
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Use-after-free (CVE-ID: CVE-2022-3534)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the btf_dump_name_dups() function in tools/lib/bpf/btf_dump.c. A local user can execute arbitrary code with elevated privileges.


2) NULL pointer dereference (CVE-ID: CVE-2022-3606)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error within the find_prog_by_sec_insn() function in tools/lib/bpf/libbpf.c of the BPF component. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References