# CVE-2023-6610: Kernel: oob access in smb2_dump_detail

Status: published. Published: 2023-12-08. Updated: 2026-11-05.

An out-of-bounds read vulnerability was found in smb2_dump_detail in fs/smb/client/smb2ops.c in the Linux Kernel. This issue could allow a local attacker to crash the system or leak internal kernel information.

## Remediation

- workaround: To mitigate this issue, prevent module cifs from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically. (source: CNA: redhat)

## Affected products and versions

- Red Hat / Red Hat Enterprise Linux 8 (kernel-rt): ≥ 0:4.18.0-513.18.1.rt7.320.el8_9; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8 (kernel): ≥ 0:4.18.0-513.18.1.el8_9; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8.6 Extended Update Support (kernel): ≥ 0:4.18.0-372.91.1.el8_6; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8.8 Extended Update Support (kernel): ≥ 0:4.18.0-477.51.1.el8_8; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 9 (kernel): ≥ 0:5.14.0-362.24.1.el9_3; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 9.2 Extended Update Support (kernel): ≥ 0:5.14.0-284.52.1.el9_2; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 9.2 Extended Update Support (kernel-rt): ≥ 0:5.14.0-284.52.1.rt14.337.el9_2; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Virtualization 4 for Red Hat Enterprise Linux 8 (kernel): ≥ 0:4.18.0-372.91.1.el8_6; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / RHOL-5.8-RHEL-9 (openshift-logging/cluster-logging-operator-bundle): ≥ v5.8.6-22; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / RHOL-5.8-RHEL-9 (openshift-logging/cluster-logging-rhel9-operator): ≥ v5.8.6-11; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / RHOL-5.8-RHEL-9 (openshift-logging/elasticsearch6-rhel9): ≥ v6.8.1-407; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / RHOL-5.8-RHEL-9 (openshift-logging/elasticsearch-operator-bundle): ≥ v5.8.6-19; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / RHOL-5.8-RHEL-9 (openshift-logging/elasticsearch-proxy-rhel9): ≥ v1.0.0-479; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / RHOL-5.8-RHEL-9 (openshift-logging/elasticsearch-rhel9-operator): ≥ v5.8.6-7; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / RHOL-5.8-RHEL-9 (openshift-logging/eventrouter-rhel9): ≥ v0.4.0-247; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / RHOL-5.8-RHEL-9 (openshift-logging/fluentd-rhel9): ≥ v5.8.6-5; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / RHOL-5.8-RHEL-9 (openshift-logging/log-file-metric-exporter-rhel9): ≥ v1.1.0-227; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / RHOL-5.8-RHEL-9 (openshift-logging/logging-curator5-rhel9): ≥ v5.8.1-470; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / RHOL-5.8-RHEL-9 (openshift-logging/logging-loki-rhel9): ≥ v2.9.6-14; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / RHOL-5.8-RHEL-9 (openshift-logging/logging-view-plugin-rhel9): ≥ v5.8.6-2; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / RHOL-5.8-RHEL-9 (openshift-logging/loki-operator-bundle): ≥ v5.8.6-24; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / RHOL-5.8-RHEL-9 (openshift-logging/loki-rhel9-operator): ≥ v5.8.6-10; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / RHOL-5.8-RHEL-9 (openshift-logging/lokistack-gateway-rhel9): ≥ v0.1.0-525; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / RHOL-5.8-RHEL-9 (openshift-logging/opa-openshift-rhel9): ≥ v0.1.0-224; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / RHOL-5.8-RHEL-9 (openshift-logging/vector-rhel9): ≥ v0.28.1-56; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 6 (kernel): Version range not reported. Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 7 (kernel): Version range not reported. Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 7 (kernel-rt): Version range not reported. Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 9 (kernel-rt): Version range not reported. Source: CNA: redhat

## Severity and prioritization

- CVSS 3.1: 7.1 (high); CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H; source: CNA: redhat

- CISA KEV: No listing in collected sources

- EPSS: 0.43% as of 2026-11-04; percentile 37.40%

- SSVC: Not available

- Weaknesses: CWE-125

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://access.redhat.com/errata/RHSA-2024:0723 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2024:0724 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2024:0725 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2024:0881 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2024:0897 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2024:1248 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2024:1404 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2024:2094 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/security/cve/CVE-2023-6610 (CNA: redhat; vdb-entry, x_refsource_REDHAT)

- https://bugzilla.kernel.org/show_bug.cgi?id=218219 (CNA: redhat)

- https://bugzilla.redhat.com/show_bug.cgi?id=2253614 (CNA: redhat; issue-tracking, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2024:0723 (ADP: CVE; vendor-advisory, x_refsource_REDHAT, x_transferred)

- https://access.redhat.com/errata/RHSA-2024:0724 (ADP: CVE; vendor-advisory, x_refsource_REDHAT, x_transferred)

- https://access.redhat.com/errata/RHSA-2024:0725 (ADP: CVE; vendor-advisory, x_refsource_REDHAT, x_transferred)

- https://access.redhat.com/errata/RHSA-2024:0881 (ADP: CVE; vendor-advisory, x_refsource_REDHAT, x_transferred)

- https://access.redhat.com/errata/RHSA-2024:0897 (ADP: CVE; vendor-advisory, x_refsource_REDHAT, x_transferred)

- https://access.redhat.com/errata/RHSA-2024:1248 (ADP: CVE; vendor-advisory, x_refsource_REDHAT, x_transferred)

- https://access.redhat.com/errata/RHSA-2024:1404 (ADP: CVE; vendor-advisory, x_refsource_REDHAT, x_transferred)

- https://access.redhat.com/errata/RHSA-2024:2094 (ADP: CVE; vendor-advisory, x_refsource_REDHAT, x_transferred)

- https://access.redhat.com/security/cve/CVE-2023-6610 (ADP: CVE; vdb-entry, x_refsource_REDHAT, x_transferred)

- https://bugzilla.kernel.org/show_bug.cgi?id=218219 (ADP: CVE; x_transferred)

- https://bugzilla.redhat.com/show_bug.cgi?id=2253614 (ADP: CVE; issue-tracking, x_refsource_REDHAT, x_transferred)

## Provenance

- CNA: redhat: https://www.cve.org/CVERecord?id=CVE-2023-6610; retrieved 2026-11-05; source updated 2026-11-05

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2023-6610; retrieved 2026-11-05; source updated Not reported

Revision: 768076deaddf9f7a225c3412d7bf5b2b7ae910c7639ca1ff2ef40d029364f4f8

Canonical: https://y2.dev/cve/CVE-2023-6610

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