CVE-2026-68345
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.
Affected versions
Linux kernel versions
6.19
and later are affected. Fixed in
7.1.6,
7.2
and their respective stable series.
References
2 totalFrequently asked questions
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What is CVE-2026-68345?
CVE-2026-68345 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 6.19 onward and has been patched in 7.1.6 and 7.2. CVE-2026-68345 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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Is there a patch available for CVE-2026-68345?
Yes. CVE-2026-68345 has been patched. Fixed versions include 7.1.6 and 7.2. If you are running Linux kernel 6.19 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2026-68345 actively exploited?
No. CVE-2026-68345 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.