Failure to initialize memory in SEV Firmware may allow a privileged attacker to access stale data from other guests.

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2024:5883 advisory.

    The linux-firmware packages contain all of the firmware files that are required by various devices to     operate.

    Security Fix(es):

    * kernel: Reserved fields in guest message responses may not be zero initialized (AMD-     SN-3007,CVE-2023-31346)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2024:5640 advisory.

    The linux-firmware packages contain all of the firmware files that are required by various devices to     operate.

    Security Fix(es):

    * kernel: Reserved fields in guest message responses may not be zero initialized (CVE-2023-31346)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote AlmaLinux 9 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2024:4774 advisory.

    * kernel: Reserved fields in guest message responses may not be zero initialized (CVE-2023-31346)

Tenable has extracted the preceding description block directly from the AlmaLinux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2024:4774 advisory.

    The linux-firmware packages contain all of the firmware files that are required by various devices to     operate.

    Security Fix(es):

    * kernel: Reserved fields in guest message responses may not be zero initialized (CVE-2023-31346)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2024:4733 advisory.

    The linux-firmware packages contain all of the firmware files that are required by various devices to     operate.

    Security Fix(es):

    * kernel: Reserved fields in guest message responses may not be zero initialized (CVE-2023-31346)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2024:4741 advisory.

    The linux-firmware packages contain all of the firmware files that are required by various devices to     operate.

    Security Fix(es):

    * kernel: Reserved fields in guest message responses may not be zero initialized (CVE-2023-31346)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2024:4409 advisory.

    The linux-firmware packages contain all of the firmware files that are required by various devices to     operate.

    Security Fix(es):

    * kernel: Reserved fields in guest message responses may not be zero initialized (CVE-2023-31346)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2024:4262 advisory.

    The linux-firmware packages contain all of the firmware files that are required by various devices to     operate.

    Security Fix(es):

    * kernel: Reserved fields in guest message responses may not be zero initialized (CVE-2023-31346)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Severity
206229	RHEL 8 : linux-firmware (RHSA-2024:5883)	Nessus	Red Hat Local Security Checks	medium
205880	RHEL 9 : linux-firmware (RHSA-2024:5640)	Nessus	Red Hat Local Security Checks	medium
204720	AlmaLinux 9 : linux-firmware (ALSA-2024:4774)	Nessus	Alma Linux Local Security Checks	medium
203687	RHEL 9 : linux-firmware (RHSA-2024:4774)	Nessus	Red Hat Local Security Checks	medium
203685	RHEL 8 : linux-firmware (RHSA-2024:4733)	Nessus	Red Hat Local Security Checks	medium
203683	RHEL 8 : linux-firmware (RHSA-2024:4741)	Nessus	Red Hat Local Security Checks	medium
202010	RHEL 8 : linux-firmware (RHSA-2024:4409)	Nessus	Red Hat Local Security Checks	medium
201280	RHEL 8 : linux-firmware (RHSA-2024:4262)	Nessus	Red Hat Local Security Checks	medium

Detections

Analytics

CVE-2023-31346

medium

Tenable Plugins

medium

medium

medium

medium

medium

medium

medium

medium