CVE-2025-38435 (GCVE-0-2025-38435)
Vulnerability from cvelistv5
Published
2025-07-25 14:32
Modified
2025-07-28 04:22
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
riscv: vector: Fix context save/restore with xtheadvector
Previously only v0-v7 were correctly saved/restored,
and the context of v8-v31 are damanged.
Correctly save/restore v8-v31 to avoid breaking userspace.
References
Impacted products
{ "containers": { "cna": { "affected": [ { "defaultStatus": "unaffected", "product": "Linux", "programFiles": [ "arch/riscv/include/asm/vector.h" ], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [ { "lessThan": "dd5ceea8d50e9e108a10d1e0d89fa2c9ff442ca2", "status": "affected", "version": "d863910eabaffc68eb28aaf476dd870fc3f7197d", "versionType": "git" }, { "lessThan": "4262bd0d9cc704ea1365ac00afc1272400c2cbef", "status": "affected", "version": "d863910eabaffc68eb28aaf476dd870fc3f7197d", "versionType": "git" } ] }, { "defaultStatus": "affected", "product": "Linux", "programFiles": [ "arch/riscv/include/asm/vector.h" ], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [ { "status": "affected", "version": "6.14" }, { "lessThan": "6.14", "status": "unaffected", "version": "0", "versionType": "semver" }, { "lessThanOrEqual": "6.15.*", "status": "unaffected", "version": "6.15.5", "versionType": "semver" }, { "lessThanOrEqual": "*", "status": "unaffected", "version": "6.16", "versionType": "original_commit_for_fix" } ] } ], "cpeApplicability": [ { "nodes": [ { "cpeMatch": [ { "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.15.5", "versionStartIncluding": "6.14", "vulnerable": true }, { "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.16", "versionStartIncluding": "6.14", "vulnerable": true } ], "negate": false, "operator": "OR" } ] } ], "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nriscv: vector: Fix context save/restore with xtheadvector\n\nPreviously only v0-v7 were correctly saved/restored,\nand the context of v8-v31 are damanged.\nCorrectly save/restore v8-v31 to avoid breaking userspace." } ], "providerMetadata": { "dateUpdated": "2025-07-28T04:22:08.782Z", "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux" }, "references": [ { "url": "https://git.kernel.org/stable/c/dd5ceea8d50e9e108a10d1e0d89fa2c9ff442ca2" }, { "url": "https://git.kernel.org/stable/c/4262bd0d9cc704ea1365ac00afc1272400c2cbef" } ], "title": "riscv: vector: Fix context save/restore with xtheadvector", "x_generator": { "engine": "bippy-1.2.0" } } }, "cveMetadata": { "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "assignerShortName": "Linux", "cveId": "CVE-2025-38435", "datePublished": "2025-07-25T14:32:09.136Z", "dateReserved": "2025-04-16T04:51:24.016Z", "dateUpdated": "2025-07-28T04:22:08.782Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "vulnerability-lookup:meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2025-38435\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-07-25T15:15:28.837\",\"lastModified\":\"2025-07-25T15:29:19.837\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nriscv: vector: Fix context save/restore with xtheadvector\\n\\nPreviously only v0-v7 were correctly saved/restored,\\nand the context of v8-v31 are damanged.\\nCorrectly save/restore v8-v31 to avoid breaking userspace.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/4262bd0d9cc704ea1365ac00afc1272400c2cbef\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/dd5ceea8d50e9e108a10d1e0d89fa2c9ff442ca2\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}" } }
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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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