What is CVE-2024-55639?

CVE-2024-55639 is a high-severity vulnerability in Linux. CVSS score: 8.4/10. Published 2025-01-11.

How severe is CVE-2024-55639?

High severity. CVSS v3 base score is 8.4 out of 10.

Is CVE-2024-55639 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Linux

CVE-2024-55639

In the Linux kernel, the following vulnerability has been resolved: net: renesas: rswitch: avoid use-after-put for a device tree node The device tree node saved in the rswitch_device structure is used at several driver locations. So passing this node to of_node_put() after the first use is wrong. Move of_node_put() for this node to exit paths.

EPSS: 0.002 (10.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Linux — versions b46f1e5793298c67efc2f1b917350a2cefacf9d6, 6.3, 0
Linux Linux_kernel — versions 6.13

Public proof-of-concept exploits

oogasawa/Utility-security

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2024-55639?: CVE-2024-55639 is a high-severity vulnerability in Linux. CVSS score: 8.4/10. Published 2025-01-11.
How severe is CVE-2024-55639?: High severity. CVSS v3 base score is 8.4 out of 10.
Is CVE-2024-55639 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.