CVE-2022-3649: Linux Kernel BPF inode.c nilfs_new_inode use after free

Severity: high (CVSS 7.0 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: 2022-10-21 · updated 2026-10-14
Weakness: CWE-119

Description

A vulnerability was found in Linux Kernel. It has been classified as problematic. Affected is the function nilfs_new_inode of the file fs/nilfs2/inode.c of the component BPF. The manipulation leads to use after free. It is possible to launch the attack remotely. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-211992.

Affected products

Debian Linux: 10.0
Linux kernel: before 4.9.331; from 4.10 before 4.14.296; from 4.15 before 4.19.262; from 4.20 before 5.4.220; from 5.5 before 5.10.148; from 5.11 before 5.15.74 — fixed in 4.14.296, 4.19.262, 4.9.331, 5.10.148, 5.15.74, 5.19.16
Active IQ Unified Manager for VMware vSphere, Linux, and Microsoft Windows: all versions
NetApp H300S Firmware: all versions
NetApp H410S Firmware: all versions
NetApp H500S Firmware: all versions
NetApp H700S Firmware: all versions

How to fix

Upgrade to a fixed version: Linux kernel 4.14.296, 4.19.262, 4.9.331, 5.10.148. Check the vendor advisory for mitigations.

References

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