What is CVE-2024-21803?

CVE-2024-21803 is a low-severity vulnerability in Linux Kernel, classified under Use After Free. CVSS score: 3.5/10. Published 2024-01-30.

How severe is CVE-2024-21803?

Low severity. CVSS v3 base score is 3.5 out of 10.

Is CVE-2024-21803 known to be exploited?

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

Use After Free in Linux Kernel

CVE-2024-21803

Use After Free vulnerability in Linux Linux kernel kernel on Linux, x86, ARM (bluetooth modules) allows Local Execution of Code. This vulnerability is associated with program files https://gitee.Com/anolis/cloud-kernel/blob/devel-5.10/net/bluetooth/af_bluetooth.C. This issue affects Linux kernel: from v2.6.12-rc2 before v6.8-rc1.

Vulnerability class: Use-After-Free

EPSS: 0.005 (39.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:L.

Affected products

Linux Kernel — versions v2.6.12-rc2
Linux Linux_kernel — versions 2.6.12, 6.7

Weakness classification (CWE)

CWE-416 — Use After Free

Public proof-of-concept exploits

References

security@openanolis.org (Permissions Required, Issue Tracking)

Frequently asked questions

What is CVE-2024-21803?: CVE-2024-21803 is a low-severity vulnerability in Linux Kernel, classified under Use After Free. CVSS score: 3.5/10. Published 2024-01-30.
How severe is CVE-2024-21803?: Low severity. CVSS v3 base score is 3.5 out of 10.
Is CVE-2024-21803 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.