CVE-2022-0324: linux foundation software for open networking in the cloud (sonic) Classic Buffer Overflow
Vulnerability summary
CVE-2022-0324 is a high (CVSS 8.1) Classic Buffer Overflow vulnerability in linux foundation software for open networking in the cloud (sonic). EPSS estimates a 1.21% chance of exploitation in the next 30 days, higher than 67.8% of scored vulnerabilities.
Timeline
- 14-11-2022PublishedVulnerability first disclosed.
- 30-04-2025Last modifiedVulnerability information updated.
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.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HDiffers
EPSS trend
Probability
1.21%
Chance of exploitation in the next 30 days
Percentile
68%
Versus all other CVEs
30-day change
0.00 pp
From 1.21% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.
- CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.
Affected systems
Linux foundation1 product
Linuxfoundation1 product
2 vendors · 2 products
References
2 links- github.com/sonic-net/sonic-buildimage/security/advisories/GHSA-m4qf-8rrq-mph9Third Party Advisory
- govtech-csg.github.io/security-advisories/2022/11/14/CVE-2022-0324.htmlThird Party Advisory