This local privilege escalation vulnerability affects the Linux kernel on many distros. Exploit code is available and mitigations can be applied until patches are released.

debian_linux dsa-6258: Debian dsa-6258 : affs-modules-6.1.0-44-4kc-malta-di - security update

The version of kernel-generic installed on the remote host is prior to 5.15.205 / 5.15.205_smp / 6.12.87 / 6.18.28. It is, therefore, affected by multiple vulnerabilities as referenced in the SSA:2026-128-01 advisory.

    New kernel packages are available for Slackware 15.0 and -current to fix a security issue.

Tenable has extracted the preceding description block directly from the kernel-generic security advisory.

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

The remote Debian 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-4572 advisory.

    -------------------------------------------------------------------------     Debian LTS Advisory DLA-4572-1                debian-lts@lists.debian.org     https://www.debian.org/lts/security/                        Ben Hutchings     May 08, 2026                                  https://wiki.debian.org/LTS
    -------------------------------------------------------------------------

    Package        : linux     Version        : 5.10.251-4     CVE ID         : CVE-2026-43284 CVE-2026-43500

    Two vulnerabilities have been discovered in the Linux kernel that may     lead to local privilege escalation.

    For Debian 11 bullseye, these problems have been fixed in version     5.10.251-4.

    We recommend that you upgrade your linux packages.

    For the detailed security status of linux please refer to     its security tracker page at:
    https://security-tracker.debian.org/tracker/linux

    Further information about Debian LTS security advisories, how to apply     these updates to your system and frequently asked questions can be     found at: https://wiki.debian.org/LTS     Attachment:
    signature.asc     Description: PGP signature

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

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

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-8cffa03dad advisory.

    The 7.0.4 stable kernel rebase contains additional hardware support, new features, and a number of     important fixes across the tree. It also contains a fix for the dirtyfrag vulnerability. This covers     CVE-2026-43284 and CVE-2026-43500. For users who experience a problem with the 7.0.4 rebase, a build of     6.19.14 with just the dirtyfrag fixes should be available in koji shortly.

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

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

The remote Fedora 42 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-87dc12705e advisory.

    The 6.19.14-101 stable update contains a fix for the dirtyfrag vulnerability.  This covers CVE-2026-43284     and CVE-2026-43500

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

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

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-abc00fb4e8 advisory.

    The 7.0.4 stable kernel rebase contains additional hardware support, new features, and a number of     important fixes across the tree.  It also contains a fix for the dirtyfrag vulnerability. This covers     CVE-2026-43284 and CVE-2026-43500.  For users who experience a problem with the 7.0.4 rebase, a build of     6.19.14 with just the dirtyfrag fixes should be available in koji shortly.

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

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

The remote Debian 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6253 advisory.

    - -------------------------------------------------------------------------     Debian Security Advisory DSA-6253-1                   security@debian.org     https://www.debian.org/security/                     Salvatore Bonaccorso     May 08, 2026                          https://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package        : linux     CVE ID         : CVE-2025-38584 CVE-2026-23468 CVE-2026-31419 CVE-2026-31709                      CVE-2026-31715 CVE-2026-43284 CVE-2026-43500

    Several vulnerabilities have been discovered in the Linux kernel that     may lead to a privilege escalation, denial of service or information     leaks.

    For the stable distribution (trixie), these problems have been fixed in     version 6.12.86-1.

    We recommend that you upgrade your linux packages.

    For the detailed security status of linux please refer to its security     tracker page at:
    https://security-tracker.debian.org/tracker/linux

    Further information about Debian Security Advisories, how to apply     these updates to your system and frequently asked questions can be     found at: https://www.debian.org/security/

    Mailing list: debian-security-announce@lists.debian.org

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

Note that Nessus has not tested for these issues 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.

  - The 7.0.4 stable kernel rebase contains additional hardware support, new features, and a number of     important fixes across the tree.  It also contains a fix for the dirtyfrag vulnerability. This covers     CVE-2026-43284 and CVE-2026-43500.  For users who experience a problem with the 7.0.4 rebase, a build of     6.19.14 with just the dirtyfrag fixes should be available in koji shortly. (CVE-2026-43500)

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

ID	Name	Product	Family	Severity
313426	Slackware Linux 15.0 / current kernel-generic Multiple Vulnerabilities (SSA:2026-128-01)	Nessus	Slackware Local Security Checks	high
313416	Debian dla-4572 : ata-modules-5.10.0-39-armmp-di - security update	Nessus	Debian Local Security Checks	high
313415	Fedora 44 : kernel (2026-8cffa03dad)	Nessus	Fedora Local Security Checks	high
313414	Fedora 42 : kernel (2026-87dc12705e)	Nessus	Fedora Local Security Checks	high
313408	Fedora 43 : kernel (2026-abc00fb4e8)	Nessus	Fedora Local Security Checks	high
313288	Debian dsa-6253 : ata-modules-6.12.74+deb13+1-armmp-di - security update	Nessus	Debian Local Security Checks	high
313243	Linux Distros Unpatched Vulnerability : CVE-2026-43500	Nessus	Misc.	critical

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