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Withdrawn: BELL-CVE-2026-68345 — CVE-2026-68345 does not affect BellSoft software

2026-10-04T17:06:50.346405+00:00

Withdrawn by the publisher.

EUVD-2026-353568

2026-10-04T17:06:50.346449+00:00

EUVD-2026-353568

fkie_cve-2026-68345

2026-10-04T17:06:50.346465+00:00

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

arm_mpam: guard MBWU state before adding it to garbage

__destroy_component_cfg() adds each RIS mbwu_state object to the MPAM garbage list when destroying component configuration.

However, mbwu_state is allocated per RIS and only for RISes with MBWU monitors. A component can therefore have comp->cfg allocated while some RISes still have ris->mbwu_state set to NULL.

Passing a NULL mbwu_state to add_to_garbage() dereferences the NULL pointer inside the macro.

Skip RISes that do not have an mbwu_state object before adding them to the garbage list.

GHSA-62gj-qm4m-4rg3

2026-10-04T17:06:50.346502+00:00

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

arm_mpam: guard MBWU state before adding it to garbage

__destroy_component_cfg() adds each RIS mbwu_state object to the MPAM garbage list when destroying component configuration.

However, mbwu_state is allocated per RIS and only for RISes with MBWU monitors. A component can therefore have comp->cfg allocated while some RISes still have ris->mbwu_state set to NULL.

Passing a NULL mbwu_state to add_to_garbage() dereferences the NULL pointer inside the macro.

Skip RISes that do not have an mbwu_state object before adding them to the garbage list.

UBUNTU-CVE-2026-68345

2026-10-04T17:06:50.346524+00:00

Affected: Ubuntu:16.04:LTS: linux-hwe-edge, Ubuntu:18.04:LTS: linux-aws-5.0, Ubuntu:18.04:LTS: linux-aws-5.3, Ubuntu:18.04:LTS: linux-azure, Ubuntu:18.04:LTS: linux-azure-5.3, Ubuntu:18.04:LTS: linux-azure-edge, Ubuntu:18.04:LTS: linux-gcp, Ubuntu:18.04:LTS: linux-gcp-5.3, Ubuntu:18.04:LTS: linux-gke-4.15, Ubuntu:18.04:LTS: linux-gke-5.4 and 114 more

In the Linux kernel, the following vulnerability has been resolved: arm_mpam: guard MBWU state before adding it to garbage __destroy_component_cfg() adds each RIS mbwu_state object to the MPAM garbage list when destroying component configuration. However, mbwu_state is allocated per RIS and only for RISes with MBWU monitors. A component can therefore have comp->cfg allocated while some RISes still have ris->mbwu_state set to NULL. Passing a NULL mbwu_state to add_to_garbage() dereferences the NULL pointer inside the macro. Skip RISes that do not have an mbwu_state object before adding them to the garbage list.

WID-SEC-W-2026-2730 — Linux Kernel: Mehrere Schwachstellen

2026-10-04T17:06:50.346697+00:00

Ein Angreifer kann mehrere Schwachstellen im Linux Kernel ausnutzen, um einen nicht näher spezifizierten Angriff durchzuführen, darunter möglicherweise die Ausführung von beliebigem Code, die Ausweitung von Berechtigungen, die Offenlegung von Informationen, die Manipulation von Daten oder Denial-of-Service-Zustände.