Bug 2535163 (CVE-2026-89876)

Summary: CVE-2026-89876 kernel: media: tda18250: fix possible integer overflow
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: low Docs Contact:
Priority: low    
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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Fixed In Version: Doc Type: ---
Doc Text:
A flaw was found in the Linux kernel's media driver for tda18250. An integer overflow can occur when a specific variable, exp, is zero, leading to undefined behavior. This issue arises from a shift operation 1 << (exp - 1) which can result in unexpected system behavior.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description OSIDB Bzimport 2026-09-16 11:04:36 UTC
In the Linux kernel, the following vulnerability has been resolved:

media: tda18250: fix possible integer overflow

Integer overflow may occur, when variable exp equals to zero. Result
of shift 1 << (exp - 1) may then leads to undefined behavior.