fkie_nvd - fkie_cve-2025-39924

FKIE_CVE-2025-39924

Vulnerability from fkie_nvd - Published: 2025-10-01 08:15 - Updated: 2025-10-02 19:12

Severity ?

Summary

In the Linux kernel, the following vulnerability has been resolved: erofs: fix invalid algorithm for encoded extents The current algorithm sanity checks do not properly apply to new encoded extents. Unify the algorithm check with Z_EROFS_COMPRESSION(_RUNTIME)_MAX and ensure consistency with sbi->available_compr_algs.

References

	URL	Tags
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/131897c65e2b86cf14bec7379f44aa8fbb407526
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/db5d7abd379a8dcf030be8f52f99cadf7e397ba8

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nerofs: fix invalid algorithm for encoded extents\n\nThe current algorithm sanity checks do not properly apply to new\nencoded extents.\n\nUnify the algorithm check with Z_EROFS_COMPRESSION(_RUNTIME)_MAX\nand ensure consistency with sbi-\u003eavailable_compr_algs."
    }
  ],
  "id": "CVE-2025-39924",
  "lastModified": "2025-10-02T19:12:17.160",
  "metrics": {},
  "published": "2025-10-01T08:15:35.737",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/131897c65e2b86cf14bec7379f44aa8fbb407526"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/db5d7abd379a8dcf030be8f52f99cadf7e397ba8"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Awaiting Analysis"
}

CVE-2025-39924 (GCVE-0-2025-39924)

Vulnerability from cvelistv5 – Published: 2025-10-01 08:07 – Updated: 2025-10-01 08:07

Summary

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/db5d7abd379a8dcf0…
	https://git.kernel.org/stable/c/131897c65e2b86cf1…

Impacted products

Vendor

Product

Version

Linux

Affected: 1d191b4ca51d73699cb127386b95ac152af2b930 , < db5d7abd379a8dcf030be8f52f99cadf7e397ba8 (git)
Affected: 1d191b4ca51d73699cb127386b95ac152af2b930 , < 131897c65e2b86cf14bec7379f44aa8fbb407526 (git)

Linux

Affected: 6.15
Unaffected: 0 , < 6.15 (semver)
Unaffected: 6.16.8 , ≤ 6.16.* (semver)
Unaffected: 6.17 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/erofs/zmap.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "db5d7abd379a8dcf030be8f52f99cadf7e397ba8",
              "status": "affected",
              "version": "1d191b4ca51d73699cb127386b95ac152af2b930",
              "versionType": "git"
            },
            {
              "lessThan": "131897c65e2b86cf14bec7379f44aa8fbb407526",
              "status": "affected",
              "version": "1d191b4ca51d73699cb127386b95ac152af2b930",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/erofs/zmap.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.15"
            },
            {
              "lessThan": "6.15",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.16.*",
              "status": "unaffected",
              "version": "6.16.8",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.17",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.16.8",
                  "versionStartIncluding": "6.15",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.17",
                  "versionStartIncluding": "6.15",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nerofs: fix invalid algorithm for encoded extents\n\nThe current algorithm sanity checks do not properly apply to new\nencoded extents.\n\nUnify the algorithm check with Z_EROFS_COMPRESSION(_RUNTIME)_MAX\nand ensure consistency with sbi-\u003eavailable_compr_algs."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-10-01T08:07:12.300Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/db5d7abd379a8dcf030be8f52f99cadf7e397ba8"
        },
        {
          "url": "https://git.kernel.org/stable/c/131897c65e2b86cf14bec7379f44aa8fbb407526"
        }
      ],
      "title": "erofs: fix invalid algorithm for encoded extents",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-39924",
    "datePublished": "2025-10-01T08:07:12.300Z",
    "dateReserved": "2025-04-16T07:20:57.147Z",
    "dateUpdated": "2025-10-01T08:07:12.300Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

FKIE_CVE-2025-39924

CVE-2025-39924 (GCVE-0-2025-39924)

Tags

Sightings

Nomenclature