github - ghsa-v87c-3vwm-rvcr

GHSA-V87C-3VWM-RVCR

Vulnerability from github – Published: 2025-12-24 12:30 – Updated: 2025-12-24 12:30

Details

In the Linux kernel, the following vulnerability has been resolved:

bpf: Fix stackmap overflow check in __bpf_get_stackid()

Syzkaller reported a KASAN slab-out-of-bounds write in __bpf_get_stackid() when copying stack trace data. The issue occurs when the perf trace contains more stack entries than the stack map bucket can hold, leading to an out-of-bounds write in the bucket's data array.

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{
  "affected": [],
  "aliases": [
    "CVE-2025-68378"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-12-24T11:16:01Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Fix stackmap overflow check in __bpf_get_stackid()\n\nSyzkaller reported a KASAN slab-out-of-bounds write in __bpf_get_stackid()\nwhen copying stack trace data. The issue occurs when the perf trace\n contains more stack entries than the stack map bucket can hold,\n leading to an out-of-bounds write in the bucket\u0027s data array.",
  "id": "GHSA-v87c-3vwm-rvcr",
  "modified": "2025-12-24T12:30:30Z",
  "published": "2025-12-24T12:30:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-68378"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/23f852daa4bab4d579110e034e4d513f7d490846"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2a008f6de163279deffd488c1deab081bce5667c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4669a8db976c8cbd5427fe9945f12c5fa5168ff3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d1f424a77b6bd27b361737ed73df49a0158f1590"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2025-68378 (GCVE-0-2025-68378)

Vulnerability from cvelistv5 – Published: 2025-12-24 10:33 – Updated: 2025-12-24 10:33

Title

bpf: Fix stackmap overflow check in __bpf_get_stackid()

Summary

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix stackmap overflow check in __bpf_get_stackid() Syzkaller reported a KASAN slab-out-of-bounds write in __bpf_get_stackid() when copying stack trace data. The issue occurs when the perf trace contains more stack entries than the stack map bucket can hold, leading to an out-of-bounds write in the bucket's data array.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/d1f424a77b6bd27b3…
	https://git.kernel.org/stable/c/2a008f6de163279de…
	https://git.kernel.org/stable/c/4669a8db976c8cbd5…
	https://git.kernel.org/stable/c/23f852daa4bab4d57…

Impacted products

Vendor

Product

Version

Linux

Affected: ee2a098851bfbe8bcdd964c0121f4246f00ff41e , < d1f424a77b6bd27b361737ed73df49a0158f1590 (git)
Affected: ee2a098851bfbe8bcdd964c0121f4246f00ff41e , < 2a008f6de163279deffd488c1deab081bce5667c (git)
Affected: ee2a098851bfbe8bcdd964c0121f4246f00ff41e , < 4669a8db976c8cbd5427fe9945f12c5fa5168ff3 (git)
Affected: ee2a098851bfbe8bcdd964c0121f4246f00ff41e , < 23f852daa4bab4d579110e034e4d513f7d490846 (git)
Affected: 90805175a206f784b6a77f16f07b07f6803e286b (git)
Affected: 398ac11f4425d1e52aaf0d05d4fc90524e1a5b5e (git)
Affected: e750f78c4ed7cefbcefb9769b3b9e08033db39da (git)
Affected: 6c4f243b58f5362e983386488b2d563764c567af (git)

Linux

Affected: 5.18
Unaffected: 0 , < 5.18 (semver)
Unaffected: 6.12.63 , ≤ 6.12.* (semver)
Unaffected: 6.17.13 , ≤ 6.17.* (semver)
Unaffected: 6.18.2 , ≤ 6.18.* (semver)
Unaffected: 6.19-rc1 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "kernel/bpf/stackmap.c"
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          "vendor": "Linux",
          "versions": [
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              "status": "affected",
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              "versionType": "git"
            },
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            },
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            },
            {
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              "version": "6c4f243b58f5362e983386488b2d563764c567af",
              "versionType": "git"
            }
          ]
        },
        {
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          "product": "Linux",
          "programFiles": [
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          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.18"
            },
            {
              "lessThan": "5.18",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.63",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.17.*",
              "status": "unaffected",
              "version": "6.17.13",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.2",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.19-rc1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.63",
                  "versionStartIncluding": "5.18",
                  "vulnerable": true
                },
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          "lang": "en",
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        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-24T10:33:06.859Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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        {
          "url": "https://git.kernel.org/stable/c/23f852daa4bab4d579110e034e4d513f7d490846"
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    "datePublished": "2025-12-24T10:33:06.859Z",
    "dateReserved": "2025-12-16T14:48:05.311Z",
    "dateUpdated": "2025-12-24T10:33:06.859Z",
    "state": "PUBLISHED"
  },
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  "dataVersion": "5.2"
}

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

GHSA-V87C-3VWM-RVCR

CVE-2025-68378 (GCVE-0-2025-68378)

Tags

Sightings

Nomenclature