github - ghsa-p52c-cc2g-5f23

GHSA-P52C-CC2G-5F23

Vulnerability from github – Published: 2024-12-27 15:31 – Updated: 2025-10-08 15:32

Details

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

xsk: Free skb when TX metadata options are invalid

When a new skb is allocated for transmitting an xsk descriptor, i.e., for every non-multibuf descriptor or the first frag of a multibuf descriptor, but the descriptor is later found to have invalid options set for the TX metadata, the new skb is never freed. This can leak skbs until the send buffer is full which makes sending more packets impossible.

Fix this by freeing the skb in the error path if we are currently dealing with the first frag, i.e., an skb allocated in this iteration of xsk_build_skb.

Severity ?

5.5 (Medium)


                  
                    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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{
  "affected": [],
  "aliases": [
    "CVE-2024-53236"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-401"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-12-27T14:15:32Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nxsk: Free skb when TX metadata options are invalid\n\nWhen a new skb is allocated for transmitting an xsk descriptor, i.e., for\nevery non-multibuf descriptor or the first frag of a multibuf descriptor,\nbut the descriptor is later found to have invalid options set for the TX\nmetadata, the new skb is never freed. This can leak skbs until the send\nbuffer is full which makes sending more packets impossible.\n\nFix this by freeing the skb in the error path if we are currently dealing\nwith the first frag, i.e., an skb allocated in this iteration of\nxsk_build_skb.",
  "id": "GHSA-p52c-cc2g-5f23",
  "modified": "2025-10-08T15:32:25Z",
  "published": "2024-12-27T15:31:52Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-53236"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0c0d0f42ffa6ac94cd79893b7ed419c15e1b45de"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7f0d0dd5a7f437d83cff954bc321f1a9b181efd5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d5d346deb65efa8453f8481bcea75c1a590439e7"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2024-53236 (GCVE-0-2024-53236)

Vulnerability from cvelistv5 – Published: 2024-12-27 13:50 – Updated: 2025-05-04 09:56

Summary

In the Linux kernel, the following vulnerability has been resolved: xsk: Free skb when TX metadata options are invalid When a new skb is allocated for transmitting an xsk descriptor, i.e., for every non-multibuf descriptor or the first frag of a multibuf descriptor, but the descriptor is later found to have invalid options set for the TX metadata, the new skb is never freed. This can leak skbs until the send buffer is full which makes sending more packets impossible. Fix this by freeing the skb in the error path if we are currently dealing with the first frag, i.e., an skb allocated in this iteration of xsk_build_skb.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/7f0d0dd5a7f437d83…
	https://git.kernel.org/stable/c/d5d346deb65efa845…
	https://git.kernel.org/stable/c/0c0d0f42ffa6ac94c…

Impacted products

Vendor

Product

Version

Linux

Affected: 48eb03dd26304c24f03bdbb9382e89c8564e71df , < 7f0d0dd5a7f437d83cff954bc321f1a9b181efd5 (git)
Affected: 48eb03dd26304c24f03bdbb9382e89c8564e71df , < d5d346deb65efa8453f8481bcea75c1a590439e7 (git)
Affected: 48eb03dd26304c24f03bdbb9382e89c8564e71df , < 0c0d0f42ffa6ac94cd79893b7ed419c15e1b45de (git)

Linux

Affected: 6.8
Unaffected: 0 , < 6.8 (semver)
Unaffected: 6.11.11 , ≤ 6.11.* (semver)
Unaffected: 6.12.2 , ≤ 6.12.* (semver)
Unaffected: 6.13 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/xdp/xsk.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "7f0d0dd5a7f437d83cff954bc321f1a9b181efd5",
              "status": "affected",
              "version": "48eb03dd26304c24f03bdbb9382e89c8564e71df",
              "versionType": "git"
            },
            {
              "lessThan": "d5d346deb65efa8453f8481bcea75c1a590439e7",
              "status": "affected",
              "version": "48eb03dd26304c24f03bdbb9382e89c8564e71df",
              "versionType": "git"
            },
            {
              "lessThan": "0c0d0f42ffa6ac94cd79893b7ed419c15e1b45de",
              "status": "affected",
              "version": "48eb03dd26304c24f03bdbb9382e89c8564e71df",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "net/xdp/xsk.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.8"
            },
            {
              "lessThan": "6.8",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.11.*",
              "status": "unaffected",
              "version": "6.11.11",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.2",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.13",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.11.11",
                  "versionStartIncluding": "6.8",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.2",
                  "versionStartIncluding": "6.8",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.13",
                  "versionStartIncluding": "6.8",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxsk: Free skb when TX metadata options are invalid\n\nWhen a new skb is allocated for transmitting an xsk descriptor, i.e., for\nevery non-multibuf descriptor or the first frag of a multibuf descriptor,\nbut the descriptor is later found to have invalid options set for the TX\nmetadata, the new skb is never freed. This can leak skbs until the send\nbuffer is full which makes sending more packets impossible.\n\nFix this by freeing the skb in the error path if we are currently dealing\nwith the first frag, i.e., an skb allocated in this iteration of\nxsk_build_skb."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-04T09:56:41.282Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/7f0d0dd5a7f437d83cff954bc321f1a9b181efd5"
        },
        {
          "url": "https://git.kernel.org/stable/c/d5d346deb65efa8453f8481bcea75c1a590439e7"
        },
        {
          "url": "https://git.kernel.org/stable/c/0c0d0f42ffa6ac94cd79893b7ed419c15e1b45de"
        }
      ],
      "title": "xsk: Free skb when TX metadata options are invalid",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-53236",
    "datePublished": "2024-12-27T13:50:22.320Z",
    "dateReserved": "2024-11-19T17:17:25.026Z",
    "dateUpdated": "2025-05-04T09:56:41.282Z",
    "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

GHSA-P52C-CC2G-5F23

CVE-2024-53236 (GCVE-0-2024-53236)

Tags

Sightings

Nomenclature