Bug 2540508 (CVE-2026-97447)

Summary: CVE-2026-97447 kernel: ACPICA: Enhance OEM ID and Table ID validation in acpi_ex_load_table_op()
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: akhatavk, aos-team-art-private, asdas, dpaolell, jdelft, jupierce, lgarciaa, mbiarnes, ppalepu, ppostler, prdhamdh, rhel-process-autobot, sghai, sidsharm, suppawar, vlaad, watson-tool-maintainers
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
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Doc Text:
A flaw was found in the Linux kernel. This vulnerability can lead to a Denial of Service (DoS) due to a buffer overflow in the ACPI (Advanced Configuration and Power Interface) subsystem. A local attacker can exploit this flaw by providing malformed OEM and table identifiers during table loading routines, causing the kernel to crash.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description OSIDB Bzimport 2026-09-24 17:03:56 UTC
In the Linux kernel, the following vulnerability has been resolved:

ACPICA: Enhance OEM ID and Table ID validation in acpi_ex_load_table_op()

Enhance OEM ID and Table ID validation in acpi_ex_load_table_op() to
prevent buffer overflows.