Bug 2390597 (CVE-2025-9389)

Summary: CVE-2025-9389 vim: vim memmove-vec-unaligned-erms.S __memmove_avx_unaligned_erms memory corruption
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, kshier, lgarciaa, mbiarnes, ppalepu, ppostler, prdhamdh, rhel-process-autobot, sghai, sidsharm, stcannon, suppawar, teagle, vlaad, watson-tool-maintainers, yguenane
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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A memory corruption vulnerability was found in the Vim, where the flaw resides in the __memmove_avx_unaligned_erms() function, located in the memmove-vec-unaligned-erms.S file. The vulnerability is caused by improper handling of memory operations within this function, which can be triggered when a user opens a specially crafted file. An attacker on the local system can exploit this flaw to cause the Vim application to crash. This crash leads to a denial of service.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Description OSIDB Bzimport 2025-08-24 14:01:11 UTC
A vulnerability was identified in vim 9.1.0000. Affected is the function __memmove_avx_unaligned_erms of the file memmove-vec-unaligned-erms.S. The manipulation leads to memory corruption. The attack needs to be performed locally. The exploit is publicly available and might be used. Some users are not able to reproduce this. One of the users mentions that this appears not to be working, "when coloring is turned on".