{"dataType": "CVE_RECORD", "dataVersion": "5.1", "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": "2025-07-28T04:21:55.358Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-07-28T04:21:55.358Z"}, "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"}}}}

{}

{"cveTags": [], "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."}], "id": "CVE-2025-38429", "lastModified": "2025-07-25T15:29:19.837", "metrics": {}, "published": "2025-07-25T15:15:27.870", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0007ef098dab48f1ba58364c40b4809f1e21b130"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/44b9620e82bbec2b9a6ac77f63913636d84f96dc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6f18d174b73d0ceeaa341f46c0986436b3aefc9a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f704a80d9fa268e51a6cc5242714502c3c1fa605"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: bus: mhi: ep: Update read pointer only after buffer is written", "id": "2383450", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2383450"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nbus: mhi: ep: Update read pointer only after buffer is written\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.\nInvoke the buffer write before updating rd_offset to ensure the element\nis fully written before signaling its availability."], "name": "CVE-2025-38429", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-07-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-38429\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-38429\nhttps://lore.kernel.org/linux-cve-announce/2025072556-CVE-2025-38429-f662@gregkh/T"], "threat_severity": "Moderate"}