Vulnerability-Lookup

GHSA-JCJF-6896-F99G

Vulnerability from github – Published: 2024-12-27 15:31 – Updated: 2025-11-03 21:31

Details

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

can: hi311x: hi3110_can_ist(): fix potential use-after-free

The commit a22bd630cfff ("can: hi311x: do not report txerr and rxerr during bus-off") removed the reporting of rxerr and txerr even in case of correct operation (i. e. not bus-off).

The error count information added to the CAN frame after netif_rx() is a potential use after free, since there is no guarantee that the skb is in the same state. It might be freed or reused.

Fix the issue by postponing the netif_rx() call in case of txerr and rxerr reporting.

Severity

7.8 (High)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2024-56651"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-12-27T15:15:24Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: hi311x: hi3110_can_ist(): fix potential use-after-free\n\nThe commit a22bd630cfff (\"can: hi311x: do not report txerr and rxerr\nduring bus-off\") removed the reporting of rxerr and txerr even in case\nof correct operation (i. e. not bus-off).\n\nThe error count information added to the CAN frame after netif_rx() is\na potential use after free, since there is no guarantee that the skb\nis in the same state. It might be freed or reused.\n\nFix the issue by postponing the netif_rx() call in case of txerr and\nrxerr reporting.",
  "id": "GHSA-jcjf-6896-f99g",
  "modified": "2025-11-03T21:31:58Z",
  "published": "2024-12-27T15:31:55Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-56651"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1128022009444faf49359bd406cd665b177cb643"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4ad77eb8f2e07bcfa0e28887d3c7dbb732d92cc1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9ad86d377ef4a19c75a9c639964879a5b25a433b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/bc30b2fe8c54694f8ae08a5b8a5d174d16d93075"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2024-56651 (GCVE-0-2024-56651)

Vulnerability from cvelistv5 – Published: 2024-12-27 15:02 – Updated: 2026-08-05 11:45

Title

can: hi311x: hi3110_can_ist(): fix potential use-after-free

Summary

In the Linux kernel, the following vulnerability has been resolved: can: hi311x: hi3110_can_ist(): fix potential use-after-free The commit a22bd630cfff ("can: hi311x: do not report txerr and rxerr during bus-off") removed the reporting of rxerr and txerr even in case of correct operation (i. e. not bus-off). The error count information added to the CAN frame after netif_rx() is a potential use after free, since there is no guarantee that the skb is in the same state. It might be freed or reused. Fix the issue by postponing the netif_rx() call in case of txerr and rxerr reporting.

Severity

8.8 (High)


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

7.8 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-02-11 15:41 UTC

CWE

CWE-416 - Use After Free

Assigner

Linux mitre root Scorecard

References

5 references

URL	Tags
https://git.kernel.org/stable/c/4ad77eb8f2e07bcfa…
https://git.kernel.org/stable/c/1128022009444faf4…
https://git.kernel.org/stable/c/bc30b2fe8c54694f8…
https://git.kernel.org/stable/c/9ad86d377ef4a19c7…
https://lists.debian.org/debian-lts-announce/2025…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: a22bd630cfff496b270211745536e50e98eb3a45 , < 4ad77eb8f2e07bcfa0e28887d3c7dbb732d92cc1 (git) Affected: a22bd630cfff496b270211745536e50e98eb3a45 , < 1128022009444faf49359bd406cd665b177cb643 (git) Affected: a22bd630cfff496b270211745536e50e98eb3a45 , < bc30b2fe8c54694f8ae08a5b8a5d174d16d93075 (git) Affected: a22bd630cfff496b270211745536e50e98eb3a45 , < 9ad86d377ef4a19c75a9c639964879a5b25a433b (git) Affected: 303733fdab728d34708014b3096dc69ebae6e531 (git) Affected: 410054f1cf75378a6f009359e5952a240102a1a2 (git) Affected: d20bf7e76136fd4c1e47502a1f5773f2290013ed (git) Affected: 22e382d47de09e865a9214cc5c9f99256e65deaa (git) Affected: dcfcd5fc999b1eb7946de1fd031bc3aaf224c5ae (git) Affected: 330b0ac34beec4fef8b002549af5bc6d0b6f0836 (git) Affected: f3d865a6b791abbc874739ed702ae64ad2607511 (git) Affected: 4.14.291 , < 4.15 (semver) Affected: 4.19.256 , < 4.20 (semver) Affected: 5.4.211 , < 5.5 (semver) Affected: 5.10.137 , < 5.11 (semver) Affected: 5.15.61 , < 5.16 (semver) Affected: 5.18.18 , < 5.19 (semver) Affected: 5.19.2 , < 5.20 (semver)
Linux	Linux	Affected: 6.0 Unaffected: 0 , < 6.0 (semver) Unaffected: 6.1.120 , ≤ 6.1.* (semver) Unaffected: 6.6.66 , ≤ 6.6.* (semver) Unaffected: 6.12.5 , ≤ 6.12.* (semver) Unaffected: 6.13 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 7.8,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
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          {
            "other": {
              "content": {
                "id": "CVE-2024-56651",
                "options": [
                  {
                    "Exploitation": "none"
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                    "Technical Impact": "total"
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                "role": "CISA Coordinator",
                "timestamp": "2025-02-11T15:41:42.778830Z",
                "version": "2.0.3"
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              "type": "ssvc"
            }
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        "problemTypes": [
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            "descriptions": [
              {
                "cweId": "CWE-416",
                "description": "CWE-416 Use After Free",
                "lang": "en",
                "type": "CWE"
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            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-02-11T15:45:21.578Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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        "title": "CISA ADP Vulnrichment"
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      {
        "providerMetadata": {
          "dateUpdated": "2025-11-03T20:51:58.194Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        },
        "references": [
          {
            "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html"
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        ],
        "title": "CVE Program Container"
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    ],
    "cna": {
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            {
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              "status": "affected",
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            {
              "lessThan": "5.11",
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              "version": "5.19.2",
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          "versions": [
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              "status": "unaffected",
              "version": "6.6.66",
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              "status": "unaffected",
              "version": "6.12.5",
              "versionType": "semver"
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              "value": "AV:A - The vulnerable path is driven by CAN bus error-state transitions (ERROR_WARNING/ERROR_PASSIVE), which any node sharing the physical CAN segment can force by injecting dominant bits or malformed/unacknowledged frames. CAN is a bounded shared bus, matching the CVSS \"logically adjacent topology\" definition rather than routable Network.\nAC:L - The free is deterministic, not a race \u2014 in threaded-IRQ context netif_rx() drains NET_RX_SOFTIRQ inline via local_bh_enable(), so process_backlog() consumes and frees the skb before netif_rx() returns, and the driver then unconditionally writes through the stale cf pointer. Driving TEC/REC across the error-warning/passive thresholds is entirely under the bus attacker\u0027s control and repeatable.\nPR:N - CAN provides no authentication, addressing, or access control; a peer node needs no credentials or account on the target system to inject the error conditions that trigger the path. The code path is also not gated by any ctrlmode flag or capability check.\nUI:N - No victim action is required \u2014 the CAN interface being up is normal operational state for a deployed device, and the interrupt handler runs automatically on controller error signalling.\nS:U - The use-after-free corrupts kernel slab memory within the same kernel security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - The freed skb buffer is immediately recycled, so subsequent kernel data can occupy it while a socket may still hold references to the corrupted frame, and UAF-corrupted skb metadata can be leveraged to disclose adjacent kernel heap contents.\nI:H - This is a use-after-free write: a bit-set at offset 0 plus two bytes at offsets 14/15 of the freed allocation, with values (txerr/rxerr) the bus attacker influences, repeatable on every error-state transition \u2014 a heap-grooming-friendly write primitive into reallocated kernel objects.\nA:H - Writing into freed and reallocated slab memory corrupts unrelated kernel structures, causing oops, slab corruption, or panic, and the trigger can be repeated indefinitely from the bus."
            }
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  "cveMetadata": {
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    "datePublished": "2024-12-27T15:02:50.759Z",
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    "state": "PUBLISHED"
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}

Sightings

Author	Source	Type	Date	Other

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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GHSA-JCJF-6896-F99G

CVE-2024-56651 (GCVE-0-2024-56651)

Tags

Sightings

Nomenclature

Related by attack behaviour