CVE-2023-6606
HIGHCVSS 7.1/10EPSS 0.52%
Last modified
CVE-2023-6606 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. 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.. EPSS estimates a 0.52% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Linux | Linux Kernel | >= 6.4.1, < 6.7 | — |
| Linux | Linux Kernel | 6.4 | — |
| Linux | Linux Kernel | 6.7 | Rc1 |
| Redhat | Enterprise Linux | 8.0 | — |
| Redhat | Enterprise Linux | 9.0 | — |
| Redhat | Enterprise Linux Eus | 9.2 | — |
| Redhat | Enterprise Linux Eus | 9.4 | — |
| Redhat | Enterprise Linux Server Aus | 9.2 | — |
| Redhat | Enterprise Linux Server Aus | 9.4 | — |
| Redhat | Enterprise Linux Server For Power Little Endian Update Services For Sap Solutions | 9.2 | — |
| Redhat | Enterprise Linux Server For Power Little Endian Update Services For Sap Solutions | 9.2_ppc64le | — |
References
- https://access.redhat.com/errata/RHSA-2024:0723Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:0725Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:0881Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:0897Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:1188Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:1248Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:1404Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:2094Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2023-6606Third Party Advisory
- https://bugzilla.kernel.org/show_bug.cgi?id=218218Exploit, Issue Tracking
- https://bugzilla.redhat.com/show_bug.cgi?id=2253611Exploit, Issue Tracking
- https://access.redhat.com/errata/RHSA-2024:0723Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:0725Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:0881Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:0897Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:1188Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:1248Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:1404Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:2094Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2023-6606Third Party Advisory
- https://bugzilla.kernel.org/show_bug.cgi?id=218218Exploit, Issue Tracking
- https://bugzilla.redhat.com/show_bug.cgi?id=2253611Exploit, Issue Tracking
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-6606?
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.
How severe is CVE-2023-6606?
CVE-2023-6606 has a CVSS score of 7.1/10 (HIGH severity). The EPSS model estimates a 0.52% probability of exploitation in the next 30 days.
How do I fix CVE-2023-6606?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2023-6606?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST