What’s Vulnerable › Vulnerabilities

CVE-2024-50064: zram: free secondary algorithms names

• 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: 2024-10-21 · updated 2026-06-17
• Weakness: CWE-401

Description

In the Linux kernel, the following vulnerability has been resolved: zram: free secondary algorithms names We need to kfree() secondary algorithms names when reset zram device that had multi-streams, otherwise we leak memory. [senozhatsky@chromium.org: kfree(NULL) is legal]

Affected products

• Linux kernel: from 6.2 before 6.6.57; from 6.7 before 6.11.4 — fixed in 6.11.4, 6.6.57

How to fix

Upgrade to a fixed version: Linux kernel 6.11.4, 6.6.57. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/6272936fd242ca1f784c3e21596dfb3859dff276
• https://git.kernel.org/stable/c/684826f8271ad97580b138b9ffd462005e470b99
• https://git.kernel.org/stable/c/ef35cc0d15b89dd013e1bb829fe97db7b1ab79eb

Get alerted when CVE-2024-50064 or the next vulnerability affects your stack