What is CVE-2023-38429?

CVE-2023-38429 is a critical-severity vulnerability in Linux Linux_kernel, classified under Off-by-one Error. CVSS score: 9.8/10. Published 2023-07-18.

How severe is CVE-2023-38429?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2023-38429 known to be exploited?

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

Vulnerability in Linux Linux_kernel

CVE-2023-38429

An issue was discovered in the Linux kernel before 6.3.4. fs/ksmbd/connection.c in ksmbd has an off-by-one error in memory allocation (because of ksmbd_smb2_check_message) that may lead to out-of-bounds access.

EPSS: 0.011 (60.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Linux Linux_kernel
N/a — versions n/a

Weakness classification (CWE)

CWE-193 — Off-by-one Error

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-38429?: CVE-2023-38429 is a critical-severity vulnerability in Linux Linux_kernel, classified under Off-by-one Error. CVSS score: 9.8/10. Published 2023-07-18.
How severe is CVE-2023-38429?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2023-38429 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.