What’s Vulnerable › Vulnerabilities

CVE-2022-3524: Linux Kernel IPv6 ipv6_renew_options memory leak

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-10-16 · updated 2026-10-14
• Weakness: CWE-404

Description

A vulnerability was found in Linux Kernel. It has been declared as problematic. Affected by this vulnerability is the function ipv6_renew_options of the component IPv6 Handler. The manipulation leads to memory leak. The attack can be launched remotely. It is recommended to apply a patch to fix this issue. The identifier VDB-211021 was assigned to this vulnerability.

Affected products

• Debian Linux: 10.0
• Linux kernel: before 2.6.12; 2.6.12, 2.6.12-rc1 — fixed in 2.6.12

How to fix

Upgrade to a fixed version: Linux kernel 2.6.12. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3c52c6bb831f6335c176a0fc7214e26f43adbd11
• https://lists.debian.org/debian-lts-announce/2022/12/msg00031.html
• https://lists.debian.org/debian-lts-announce/2022/12/msg00034.html
• https://vuldb.com/?id.211021
• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3c52c6bb831f6335c176a0fc7214e26f43adbd11
• https://lists.debian.org/debian-lts-announce/2022/12/msg00031.html
• https://lists.debian.org/debian-lts-announce/2022/12/msg00034.html
• https://vuldb.com/?id.211021
• https://cert-portal.siemens.com/productcert/html/ssa-769027.html
• https://cert-portal.siemens.com/productcert/html/ssa-794697.html

Get alerted when CVE-2022-3524 or the next vulnerability affects your stack