What’s Vulnerable › Vulnerabilities

CVE-2023-3022

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-06-19 · updated 2026-06-17
• Weakness: CWE-843

Description

A flaw was found in the IPv6 module of the Linux kernel. The arg.result was not used consistently in fib6_rule_lookup, sometimes holding rt6_info and other times fib6_info. This was not accounted for in other parts of the code where rt6_info was expected unconditionally, potentially leading to a kernel panic in fib6_rule_suppress.

Affected products

• Linux kernel: through 5.1

References

• https://bugzilla.redhat.com/show_bug.cgi?id=2211440
• https://github.com/torvalds/linux/commit/a65120bae4b7
• https://bugzilla.redhat.com/show_bug.cgi?id=2211440
• https://github.com/torvalds/linux/commit/a65120bae4b7

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