What’s Vulnerable › Vulnerabilities

CVE-2022-48669: powerpc/pseries: Fix potential memleak in papr_get_attr()

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-05-01 · updated 2026-06-17
• Weakness: CWE-401

Description

In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries: Fix potential memleak in papr_get_attr() `buf` is allocated in papr_get_attr(), and krealloc() of `buf` could fail. We need to free the original `buf` in the case of failure.

Affected products

• Linux kernel: from 5.18 before 6.1.83; from 6.2 before 6.6.23; from 6.7 before 6.7.11; from 6.8 before 6.8.2 — fixed in 6.1.83, 6.6.23, 6.7.11, 6.8.2

How to fix

Upgrade to a fixed version: Linux kernel 6.1.83, 6.6.23, 6.7.11, 6.8.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/1699fb915b9f61794d559b55114c09a390aaf234
• https://git.kernel.org/stable/c/7f7d39fe3d80d6143404940b2413010cf6527029
• https://git.kernel.org/stable/c/a3f22feb2220a945d1c3282e34199e8bcdc5afc4
• https://git.kernel.org/stable/c/cda9c0d556283e2d4adaa9960b2dc19b16156bae
• https://git.kernel.org/stable/c/d0647c3e81eff62b66d46fd4e475318cb8cb3610
• https://git.kernel.org/stable/c/1699fb915b9f61794d559b55114c09a390aaf234
• https://git.kernel.org/stable/c/7f7d39fe3d80d6143404940b2413010cf6527029
• https://git.kernel.org/stable/c/a3f22feb2220a945d1c3282e34199e8bcdc5afc4
• https://git.kernel.org/stable/c/cda9c0d556283e2d4adaa9960b2dc19b16156bae
• https://git.kernel.org/stable/c/d0647c3e81eff62b66d46fd4e475318cb8cb3610

Get alerted when CVE-2022-48669 or the next vulnerability affects your stack