fkie_nvd - fkie_cve-2025-38435

fkie_cve-2025-38435

Vulnerability from fkie_nvd

Published

2025-07-25 15:15

Modified

2025-07-25 15:29

Severity ?

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

▶	URL	Tags
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/4262bd0d9cc704ea1365ac00afc1272400c2cbef
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/dd5ceea8d50e9e108a10d1e0d89fa2c9ff442ca2

Impacted products

	Vendor	Product	Version

To clipboard

{
  "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."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: riscv: vector: Se corrige el guardado/restauraci\u00f3n de contexto con xtheadvector. Anteriormente, solo se guardaban/restauraban correctamente las versiones v0 a v7, y el contexto de las versiones v8 a v31 estaba da\u00f1ado. Guarde/restaure correctamente las versiones v8 a v31 para evitar la interrupci\u00f3n del espacio de usuario."
    }
  ],
  "id": "CVE-2025-38435",
  "lastModified": "2025-07-25T15:29:19.837",
  "metrics": {},
  "published": "2025-07-25T15:15:28.837",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/4262bd0d9cc704ea1365ac00afc1272400c2cbef"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/dd5ceea8d50e9e108a10d1e0d89fa2c9ff442ca2"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Awaiting Analysis"
}

CVE-2025-38435 (GCVE-0-2025-38435)

Vulnerability from cvelistv5

Published

2025-07-25 14:32

Modified

2025-07-28 04:22

Severity ?

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

►

URL

Tags

	https://git.kernel.org/stable/c/dd5ceea8d50e9e108a10d1e0d89fa2c9ff442ca2
	https://git.kernel.org/stable/c/4262bd0d9cc704ea1365ac00afc1272400c2cbef

Impacted products

Vendor

Product

Version

►

Version: d863910eabaffc68eb28aaf476dd870fc3f7197d
Version: d863910eabaffc68eb28aaf476dd870fc3f7197d

Version: 6.14

Show details on NVD website

To clipboard

{
  "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"
}

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