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"
}

Log in or create an account to share your comment.

Tags

Taxonomy of the tags.

All sightings related to this event Export sightings related to this event

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
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.