kbrain

CVE-2023-6606

HIGH · CVSS 7.1EPSS 0.5%EU EUVD

An out-of-bounds read vulnerability was found in smbCalcSize in fs/smb/client/netmisc.c in the Linux Kernel. This issue could allow a local attacker to crash the system or leak internal kernel information.

Key facts

CVSS score
7.1 (v3.1)
Severity
HIGH
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Weakness (CWE)
CWE-125
EPSS score
0.5% (43th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2023-58829)
Published
December 8, 2023
NVD last modified
October 14, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2023-58829 in the EU Vulnerability Database. Last updated in EUVD on October 14, 2026.

View on the EU Vulnerability Database

Affected products

  • linux / linux kernel
  • linux / linux kernel
  • linux / linux kernel
  • linux / linux kernel
  • linux / linux kernel
  • linux / linux kernel
  • linux / linux kernel
  • linux / linux kernel
  • linux / linux kernel
  • linux / linux kernel
  • linux / linux kernel
  • linux / linux kernel
  • redhat / enterprise linux
  • redhat / enterprise linux
  • redhat / enterprise linux eus
  • redhat / enterprise linux eus
  • redhat / enterprise linux server aus
  • redhat / enterprise linux server aus
  • redhat / enterprise linux server for power little endian update services for sap solutions
  • redhat / enterprise linux server for power little endian update services for sap solutions

Certified products that may be affected

32 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.

See all 32 in the Security Certifications Explorer.

References

Last updated October 16, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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CVE-2023-6606: HIGH severity (CVSS 7.1)