What’s Vulnerable › Vulnerabilities

CVE-2022-34494

• 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: 2022-06-26 · updated 2026-06-17
• Weakness: CWE-415

Description

rpmsg_virtio_add_ctrl_dev in drivers/rpmsg/virtio_rpmsg_bus.c in the Linux kernel before 5.18.4 has a double free.

Affected products

• Linux kernel: before 5.18.4 — fixed in 5.18.4

How to fix

Upgrade to a fixed version: Linux kernel 5.18.4. Check the vendor advisory for mitigations.

References

• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.4
• https://github.com/torvalds/linux/commit/1680939e9ecf7764fba8689cfb3429c2fe2bb23c
• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.4
• https://github.com/torvalds/linux/commit/1680939e9ecf7764fba8689cfb3429c2fe2bb23c

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