CVE-2023-6535

high
Published 2024-03-12 Β· Modified 2024-02-20
CVSS v3
β€”
CVSS v4 NEW
β€”
not yet in upstream
VIR risk
8.0

Description

RHSA-2024:0897: kernel security update (Important)

Predictions

Exploit likelihood
20%
Patch ETA
β€”

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

Mitigation details

Source: Red Hat Errata β€” Red Hat Inc. Β· View original β†— Β· Open-Errata-API

Description kernel: NULL pointer dereference in nvmet_tcp_execute_request Red Hat statement Red Hat Enterprise Linux 6 and 7 are not affected by this issue as it doesn't ship the related NVMe driver code. CVSS v3: 6.5 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H) Errata / fixed releases ProductPackageAdvisoryReleased Red Hat Enterprise Linux…

Description

kernel: NULL pointer dereference in nvmet_tcp_execute_request

Red Hat statement

Red Hat Enterprise Linux 6 and 7 are not affected by this issue as it doesn't ship the related NVMe driver code.

CVSS v3: 6.5 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)

Errata / fixed releases

ProductPackageAdvisoryReleased
Red Hat Enterprise Linux 8kernel-rt-0:4.18.0-513.18.1.rt7.320.el8_9RHSA-2024:08812024-02-20T00:00:00Z
Red Hat Enterprise Linux 8kernel-0:4.18.0-513.18.1.el8_9RHSA-2024:08972024-02-20T00:00:00Z
Red Hat Enterprise Linux 8.6 Extended Update Supportkernel-0:4.18.0-372.91.1.el8_6RHSA-2024:07242024-02-07T00:00:00Z
Red Hat Enterprise Linux 8.8 Extended Update Supportkernel-0:4.18.0-477.58.1.el8_8RHSA-2024:38102024-06-11T00:00:00Z
Red Hat Enterprise Linux 9kernel-0:5.14.0-362.24.1.el9_3RHSA-2024:12482024-03-12T00:00:00Z
Red Hat Enterprise Linux 9kernel-0:5.14.0-362.24.1.el9_3RHSA-2024:12482024-03-12T00:00:00Z
Red Hat Enterprise Linux 9.2 Extended Update Supportkernel-0:5.14.0-284.52.1.el9_2RHSA-2024:07232024-02-07T00:00:00Z
Red Hat Enterprise Linux 9.2 Extended Update Supportkernel-rt-0:5.14.0-284.52.1.rt14.337.el9_2RHSA-2024:07252024-02-07T00:00:00Z
Red Hat Virtualization 4 for Red Hat Enterprise Linux 8kernel-0:4.18.0-372.91.1.el8_6RHSA-2024:07242024-02-07T00:00:00Z
RHOL-5.8-RHEL-9openshift-logging/cluster-logging-operator-bundle:v5.8.6-22RHSA-2024:20942024-05-01T00:00:00Z
RHOL-5.8-RHEL-9openshift-logging/cluster-logging-rhel9-operator:v5.8.6-11RHSA-2024:20942024-05-01T00:00:00Z
RHOL-5.8-RHEL-9openshift-logging/elasticsearch6-rhel9:v6.8.1-407RHSA-2024:20942024-05-01T00:00:00Z
RHOL-5.8-RHEL-9openshift-logging/elasticsearch-operator-bundle:v5.8.6-19RHSA-2024:20942024-05-01T00:00:00Z
RHOL-5.8-RHEL-9openshift-logging/elasticsearch-proxy-rhel9:v1.0.0-479RHSA-2024:20942024-05-01T00:00:00Z
RHOL-5.8-RHEL-9openshift-logging/elasticsearch-rhel9-operator:v5.8.6-7RHSA-2024:20942024-05-01T00:00:00Z
RHOL-5.8-RHEL-9openshift-logging/eventrouter-rhel9:v0.4.0-247RHSA-2024:20942024-05-01T00:00:00Z
RHOL-5.8-RHEL-9openshift-logging/fluentd-rhel9:v5.8.6-5RHSA-2024:20942024-05-01T00:00:00Z
RHOL-5.8-RHEL-9openshift-logging/log-file-metric-exporter-rhel9:v1.1.0-227RHSA-2024:20942024-05-01T00:00:00Z
RHOL-5.8-RHEL-9openshift-logging/logging-curator5-rhel9:v5.8.1-470RHSA-2024:20942024-05-01T00:00:00Z
RHOL-5.8-RHEL-9openshift-logging/logging-loki-rhel9:v2.9.6-14RHSA-2024:20942024-05-01T00:00:00Z
RHOL-5.8-RHEL-9openshift-logging/logging-view-plugin-rhel9:v5.8.6-2RHSA-2024:20942024-05-01T00:00:00Z
RHOL-5.8-RHEL-9openshift-logging/loki-operator-bundle:v5.8.6-24RHSA-2024:20942024-05-01T00:00:00Z
RHOL-5.8-RHEL-9openshift-logging/loki-rhel9-operator:v5.8.6-10RHSA-2024:20942024-05-01T00:00:00Z
RHOL-5.8-RHEL-9openshift-logging/lokistack-gateway-rhel9:v0.1.0-525RHSA-2024:20942024-05-01T00:00:00Z
RHOL-5.8-RHEL-9openshift-logging/opa-openshift-rhel9:v0.1.0-224RHSA-2024:20942024-05-01T00:00:00Z
RHOL-5.8-RHEL-9openshift-logging/vector-rhel9:v0.28.1-56RHSA-2024:20942024-05-01T00:00:00Z

Package state

ProductPackageState
Red Hat Enterprise Linux 6kernelNot affected
Red Hat Enterprise Linux 7kernelNot affected
Red Hat Enterprise Linux 7kernel-rtNot affected
Red Hat Enterprise Linux 9kernel-rtAffected

Apply commands

bash fix
Apply RHSA-2024:0881 for Red Hat Enterprise Linux 8
yum update -y kernel-rt
# or:
dnf upgrade -y kernel-rt

Affected

VendorProductVersion
redhatRed Hat Enterprise Linux 6Not affected
redhatRed Hat Enterprise Linux 7Not affected
redhatRed Hat Enterprise Linux 7Not affected
redhatRed Hat Enterprise Linux 9Affected

OS impact

OSVersionStatusFixed in
redhat rhel9fixed
suse slesaffected
rockylinux rocky9fixed
debian debianbookwormfixed6.1.76-1
debian debianbullseyefixed5.10.209-1
debian debianforkyfixed6.6.15-1
debian debiansidfixed6.6.15-1
debian debiantrixiefixed6.6.15-1
redhat rhel8fixed

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.