drivers/net/usb/catc.c in the Linux kernel 4.9.x before 4.9.11 interacts incorrectly with the CONFIG_VMAP_STACK option, which allows local users to cause a denial of service (system crash or memory corruption) or possibly have unspecified other impact by leveraging use of more than one virtual page for a DMA scatterlist.

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001225 advisory.

    drivers/net/usb/catc.c in the Linux kernel 4.9.x before 4.9.11 interacts incorrectly with the     CONFIG_VMAP_STACK option, which allows local users to cause a denial of service (system crash or memory     corruption) or possibly have unspecified other impact by leveraging use of more than one virtual page for     a DMA scatterlist.

Tenable has extracted the preceding description block directly from the Unity 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 Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003440 advisory.

    drivers/net/usb/catc.c in the Linux kernel 4.9.x before 4.9.11 interacts incorrectly with the     CONFIG_VMAP_STACK option, which allows local users to cause a denial of service (system crash or memory     corruption) or possibly have unspecified other impact by leveraging use of more than one virtual page for     a DMA scatterlist.

Tenable has extracted the preceding description block directly from the Unity 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 Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003404 advisory.

    drivers/net/usb/catc.c in the Linux kernel 4.9.x before 4.9.11 interacts incorrectly with the     CONFIG_VMAP_STACK option, which allows local users to cause a denial of service (system crash or memory     corruption) or possibly have unspecified other impact by leveraging use of more than one virtual page for     a DMA scatterlist.

Tenable has extracted the preceding description block directly from the Unity 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
290766	Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001225)	Nessus	Unity Linux Local Security Checks	high
287857	Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-003440)	Nessus	Unity Linux Local Security Checks	high
287841	Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003404)	Nessus	Unity Linux Local Security Checks	high
135525	EulerOS 2.0 SP3 : kernel (EulerOS-SA-2020-1396)	Nessus	Huawei Local Security Checks	critical

Detections

Analytics

CVE-2017-8070

high

Tenable Plugins

high

high

high

critical