What’s Vulnerable › Vulnerabilities

CVE-2021-45480

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-12-24 · updated 2026-06-17
• Weakness: CWE-401

Description

An issue was discovered in the Linux kernel before 5.15.11. There is a memory leak in the __rds_conn_create() function in net/rds/connection.c in a certain combination of circumstances.

Affected products

• Debian Linux: 9.0, 10.0, 11.0
• Linux kernel: before 5.15.11 — fixed in 5.15.11

How to fix

Upgrade to a fixed version: Linux kernel 5.15.11. Check the vendor advisory for mitigations.

References

• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.11
• https://github.com/torvalds/linux/commit/5f9562ebe710c307adc5f666bf1a2162ee7977c0
• https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html
• https://www.debian.org/security/2022/dsa-5050
• https://www.debian.org/security/2022/dsa-5096
• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.11
• https://github.com/torvalds/linux/commit/5f9562ebe710c307adc5f666bf1a2162ee7977c0
• https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html
• https://www.debian.org/security/2022/dsa-5050
• https://www.debian.org/security/2022/dsa-5096

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