What’s Vulnerable › Vulnerabilities

CVE-2022-50860: apparmor: Fix memleak in alloc_ns()

• Severity: high (CVSS 7.8 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: 2025-12-30 · updated 2026-08-04

Description

In the Linux kernel, the following vulnerability has been resolved: apparmor: Fix memleak in alloc_ns() After changes in commit a1bd627b46d1 ("apparmor: share profile name on replacement"), the hname member of struct aa_policy is not valid slab object, but a subset of that, it can not be freed by kfree_sensitive(), use aa_policy_destroy() to fix it.

Affected products

• Linux kernel: 4.13 — fixed in 6.2

How to fix

Upgrade to a fixed version: Linux kernel 6.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/0250cf8d37bb5201a117177afd24dc73a1c81657
• https://git.kernel.org/stable/c/12695b4b76d437b9c0182a6f7dfb2248013a9daf
• https://git.kernel.org/stable/c/5f509fa740b17307f0cba412485072f632d5af36
• https://git.kernel.org/stable/c/9a32aa87a25d800b2c6f47bc2749a7bfd9a486f3
• https://git.kernel.org/stable/c/e9e6fa49dbab6d84c676666f3fe7d360497fd65b

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