In the Linux kernel, the following vulnerability has been resolved: bootmem: remove the vmemmap pages from kmemleak in put_page_bootmem The vmemmap pages is marked by kmemleak when allocated from memblock. Remove it from kmemleak when freeing the page. Otherwise, when we reuse the page, kmemleak may report such an error and then stop working. kmemleak: Cannot insert 0xffff98fb6eab3d40 into the object search tree (overlaps existing) kmemleak: Kernel memory leak detector disabled kmemleak: Object 0xffff98fb6be00000 (size 335544320): kmemleak: comm "swapper", pid 0, jiffies 4294892296 kmemleak: min_count = 0 kmemleak: count = 0 kmemleak: flags = 0x1 kmemleak: checksum = 0 kmemleak: backtrace:

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013684 advisory.

    In the Linux kernel, the following vulnerability has been resolved:

    bootmem: remove the vmemmap pages from kmemleak in put_page_bootmem

    The vmemmap pages is marked by kmemleak when allocated from memblock.
    Remove it from kmemleak when freeing the page.  Otherwise, when we reuse     the page, kmemleak may report such an error and then stop working.

     kmemleak: Cannot insert 0xffff98fb6eab3d40 into the object search tree (overlaps existing)      kmemleak: Kernel memory leak detector disabled      kmemleak: Object 0xffff98fb6be00000 (size 335544320):
     kmemleak:   comm swapper, pid 0, jiffies 4294892296      kmemleak:   min_count = 0      kmemleak:   count = 0      kmemleak:   flags = 0x1      kmemleak:   checksum = 0      kmemleak:   backtrace:

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-2026-011027 advisory.

    In the Linux kernel, the following vulnerability has been resolved:

    bootmem: remove the vmemmap pages from kmemleak in put_page_bootmem

    The vmemmap pages is marked by kmemleak when allocated from memblock.
    Remove it from kmemleak when freeing the page.  Otherwise, when we reuse     the page, kmemleak may report such an error and then stop working.

     kmemleak: Cannot insert 0xffff98fb6eab3d40 into the object search tree (overlaps existing)      kmemleak: Kernel memory leak detector disabled      kmemleak: Object 0xffff98fb6be00000 (size 335544320):
     kmemleak:   comm swapper, pid 0, jiffies 4294892296      kmemleak:   min_count = 0      kmemleak:   count = 0      kmemleak:   flags = 0x1      kmemleak:   checksum = 0      kmemleak:   backtrace:

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 Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - In the Linux kernel, the following vulnerability has been resolved: bootmem: remove the vmemmap pages from     kmemleak in put_page_bootmem The vmemmap pages is marked by kmemleak when allocated from memblock. Remove     it from kmemleak when freeing the page. Otherwise, when we reuse the page, kmemleak may report such an     error and then stop working. kmemleak: Cannot insert 0xffff98fb6eab3d40 into the object search tree     (overlaps existing) kmemleak: Kernel memory leak detector disabled kmemleak: Object 0xffff98fb6be00000     (size 335544320): kmemleak: comm swapper, pid 0, jiffies 4294892296 kmemleak: min_count = 0 kmemleak:
    count = 0 kmemleak: flags = 0x1 kmemleak: checksum = 0 kmemleak: backtrace: (CVE-2022-49994)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	Name	Product	Family	Severity
309473	Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013684)	Nessus	Unity Linux Local Security Checks	medium
308866	Unity Linux 20.1070e Security Update: kernel (UTSA-2026-011027)	Nessus	Unity Linux Local Security Checks	medium
247934	Linux Distros Unpatched Vulnerability : CVE-2022-49994	Nessus	Misc.	medium
166118	Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.15-2022-008 (ALASKERNEL-5.15-2022-008)	Nessus	Amazon Linux Local Security Checks	high

Detections

Analytics

CVE-2022-49994

medium

Tenable Plugins

medium

medium

medium

high