{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-38429","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-04-16T04:51:24.015Z","datePublished":"2025-07-25T14:16:48.698Z","dateUpdated":"2026-05-11T21:27:49.104Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T21:27:49.104Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nbus: mhi: ep: Update read pointer only after buffer is written\n\nInside mhi_ep_ring_add_element, the read pointer (rd_offset) is updated\nbefore the buffer is written, potentially causing race conditions where\nthe host sees an updated read pointer before the buffer is actually\nwritten. Updating rd_offset prematurely can lead to the host accessing\nan uninitialized or incomplete element, resulting in data corruption.\n\nInvoke the buffer write before updating rd_offset to ensure the element\nis fully written before signaling its availability."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/bus/mhi/ep/ring.c"],"versions":[{"version":"bbdcba57a1a26a4439a4f4ecdbfaf80a10fd8f34","lessThan":"44b9620e82bbec2b9a6ac77f63913636d84f96dc","status":"affected","versionType":"git"},{"version":"bbdcba57a1a26a4439a4f4ecdbfaf80a10fd8f34","lessThan":"f704a80d9fa268e51a6cc5242714502c3c1fa605","status":"affected","versionType":"git"},{"version":"bbdcba57a1a26a4439a4f4ecdbfaf80a10fd8f34","lessThan":"0007ef098dab48f1ba58364c40b4809f1e21b130","status":"affected","versionType":"git"},{"version":"bbdcba57a1a26a4439a4f4ecdbfaf80a10fd8f34","lessThan":"6f18d174b73d0ceeaa341f46c0986436b3aefc9a","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/bus/mhi/ep/ring.c"],"versions":[{"version":"5.19","status":"affected"},{"version":"0","lessThan":"5.19","status":"unaffected","versionType":"semver"},{"version":"6.6.95","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.35","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.15.4","lessThanOrEqual":"6.15.*","status":"unaffected","versionType":"semver"},{"version":"6.16","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.19","versionEndExcluding":"6.6.95"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.19","versionEndExcluding":"6.12.35"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.19","versionEndExcluding":"6.15.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.19","versionEndExcluding":"6.16"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/44b9620e82bbec2b9a6ac77f63913636d84f96dc"},{"url":"https://git.kernel.org/stable/c/f704a80d9fa268e51a6cc5242714502c3c1fa605"},{"url":"https://git.kernel.org/stable/c/0007ef098dab48f1ba58364c40b4809f1e21b130"},{"url":"https://git.kernel.org/stable/c/6f18d174b73d0ceeaa341f46c0986436b3aefc9a"}],"title":"bus: mhi: ep: Update read pointer only after buffer is written","x_generator":{"engine":"bippy-1.2.0"}}}}