The check_stack_boundary function in kernel/bpf/verifier.c in the Linux kernel through 4.14.8 allows local users to cause a denial of service (memory corruption) or possibly have unspecified other impact by leveraging mishandling of invalid variable stack read operations.

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003450 advisory.

    The check_stack_boundary function in kernel/bpf/verifier.c in the Linux kernel through 4.14.8 allows local     users to cause a denial of service (memory corruption) or possibly have unspecified other impact by     leveraging mishandling of invalid variable stack read operations.

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-2026-002792 advisory.

    The check_stack_boundary function in kernel/bpf/verifier.c in the Linux kernel through 4.14.8 allows local     users to cause a denial of service (memory corruption) or possibly have unspecified other impact by     leveraging mishandling of invalid variable stack read operations.

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-2026-001616 advisory.

    The check_stack_boundary function in kernel/bpf/verifier.c in the Linux kernel through 4.14.8 allows local     users to cause a denial of service (memory corruption) or possibly have unspecified other impact by     leveraging mishandling of invalid variable stack read operations.

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 4.14.11 stable kernel update contains a number of important fixes across the tree. This also includes the KPTI patches to mitigate the Meltdown vulnerability for x86 architectures.

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.

The 4.14.11 stable kernel update contains a number of important fixes across the tree. This also includes the KPTI patches to mitigate the Meltdown vulnerability for x86 architectures

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
287846	Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-003450)	Nessus	Unity Linux Local Security Checks	high
287496	Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002792)	Nessus	Unity Linux Local Security Checks	high
283749	Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001616)	Nessus	Unity Linux Local Security Checks	high
106024	Fedora 27 : kernel (2018-22d5fa8a90)	Nessus	Fedora Local Security Checks	high
105596	Fedora 26 : kernel (2018-8ed5eff2c0)	Nessus	Fedora Local Security Checks	high

Detections

Analytics

CVE-2017-17857

high

Tenable Plugins

high

high

high

high

high