CVE-2023-6606

Advisory lineage Upstream: 0 Downstream: 43
Modified
Published: 08 Dec 2023, 16:58
Last modified:08 Nov 2025, 07:10

Vulnerability Summary

Overall Risk (default)
medium
38/100
CVSS Score
7.1 HIGH
v3.1 (cve.org)
EPSS Score
<0.01% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
2 found
Dark Web
Not detected

Timeline

08 Dec 2023, 16:58
Published
Vulnerability first disclosed
08 Nov 2025, 07:10
Last Modified
Vulnerability information updated

Description

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.

CVSS Metrics

  • v3.1•HIGH•Score: 7.1CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

EPSS Trends

Current EPSS score: 0.01%• Percentile: 1%

Techniques & Countermeasures

  • CWE-125•Out-of-bounds Read

    The product reads data past the end, or before the beginning, of the intended buffer.

Affected Systems

  • linux•linux_kernel

    ≥ 6.4.1, < 6.7 | 6.4 | 6.4:rc4 | 6.4:rc5 | 6.4:rc6 | 6.4:rc7 | 6.7:rc1 | 6.7:rc2 | 6.7:rc3 | 6.7:rc4 | 6.7:rc5 | 6.7:rc6

  • redhat•enterprise_linux

    8.0 | 9.0

  • redhat•enterprise_linux_eus

    9.2 | 9.4

  • redhat•enterprise_linux_server_aus

    9.2 | 9.4

  • redhat•enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions

    9.2 | 9.2_ppc64le

References (13)