drivers/net/ieee802154/atusb.c in the Linux kernel 4.9.x before 4.9.6 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-2026-002900 advisory.

    drivers/net/ieee802154/atusb.c in the Linux kernel 4.9.x before 4.9.6 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-2026-003318 advisory.

    drivers/net/ieee802154/atusb.c in the Linux kernel 4.9.x before 4.9.6 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-2026-001252 advisory.

    drivers/net/ieee802154/atusb.c in the Linux kernel 4.9.x before 4.9.6 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 4.9.6 stable kernel update contains a number of important fixes across the tree.

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	Name	Product	Family	Severity
287594	Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-002900)	Nessus	Unity Linux Local Security Checks	high
286932	Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003318)	Nessus	Unity Linux Local Security Checks	high
283804	Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001252)	Nessus	Unity Linux Local Security Checks	high
96894	Fedora 25 : kernel (2017-81fbd592d4)	Nessus	Fedora Local Security Checks	high
96890	Fedora 24 : kernel (2017-6cc158c193)	Nessus	Fedora Local Security Checks	high

Detections

Analytics

CVE-2017-5548

high

Tenable Plugins

high

high

high

high

high