How severe is CVE-2022-0324?

CVE-2022-0324 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2022-0324 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-0324?

CVE-2022-0324 affects Linuxfoundation Software For Open Networking In The Cloud. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-0324?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-0324 published?

CVE-2022-0324 was published on 2022-11-14 and last updated on 2026-06-17.

CVE-2022-0324

CVE-2022-0324 is a high-severity vulnerability in Linuxfoundation Software For Open Networking In The Cloud with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-120.

Key facts

Severity: High (CVSS 3.x base score 8.1)
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Linuxfoundation Software For Open Networking In The Cloud
Published: 2022-11-14
Last modified: 2026-06-17

Description

There is a vulnerability in DHCPv6 packet parsing code that could be explored by remote attacker to craft a packet that could cause buffer overflow in a memcpy call, leading to out-of-bounds memory write that would cause dhcp6relay to crash. Dhcp6relay is a critical process and could cause dhcp relay docker to shutdown. Discovered by Eugene Lim of GovTech Singapore.

Frequently asked questions

What is CVE-2022-0324?: There is a vulnerability in DHCPv6 packet parsing code that could be explored by remote attacker to craft a packet that could cause buffer overflow in a memcpy call, leading to out-of-bounds memory write that would cause dhcp6relay to crash. Dhcp6relay is a critical process and could cause dhcp relay docker to shutdown. Discovered by Eugene Lim of GovTech Singapore.
How severe is CVE-2022-0324?: CVE-2022-0324 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2022-0324 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-0324?: CVE-2022-0324 affects Linuxfoundation Software For Open Networking In The Cloud. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-0324?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-0324 published?: CVE-2022-0324 was published on 2022-11-14 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:linuxfoundation:software_for_open_networking_in_the_cloud:202111:*:*:*:*:*:*:*

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