Vulnerability-Lookup

CNVD-2025-04678

Vulnerability from cnvd - Published: 2025-03-10

Title

Linux kernel panfrost模块内存错误引用漏洞

Description

Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在内存错误引用漏洞，该漏洞源于panfrost模块的job结构引用panfrost_priv获取MMU环境，攻击者可利用该漏洞导致释放后重用。

Severity

中

Patch Name

Linux kernel panfrost模块内存错误引用漏洞的补丁

Patch Description

Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在内存错误引用漏洞，该漏洞源于panfrost模块的job结构引用panfrost_priv获取MMU环境，攻击者可利用该漏洞导致释放后重用。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://git.kernel.org/stable/c/472dd7ea5e19a1aeabf1711ddc756777e05ee7c2

Reference

https://nvd.nist.gov/vuln/detail/CVE-2022-49359

Impacted products

Name
Linux Kernel

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2022-49359",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2022-49359"
    }
  },
  "description": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u7684\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002\n\nLinux kernel\u5b58\u5728\u5185\u5b58\u9519\u8bef\u5f15\u7528\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8epanfrost\u6a21\u5757\u7684job\u7ed3\u6784\u5f15\u7528panfrost_priv\u83b7\u53d6MMU\u73af\u5883\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u91ca\u653e\u540e\u91cd\u7528\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://git.kernel.org/stable/c/472dd7ea5e19a1aeabf1711ddc756777e05ee7c2",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2025-04678",
  "openTime": "2025-03-10",
  "patchDescription": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u7684\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002\r\n\r\nLinux kernel\u5b58\u5728\u5185\u5b58\u9519\u8bef\u5f15\u7528\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8epanfrost\u6a21\u5757\u7684job\u7ed3\u6784\u5f15\u7528panfrost_priv\u83b7\u53d6MMU\u73af\u5883\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u91ca\u653e\u540e\u91cd\u7528\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Linux kernel panfrost\u6a21\u5757\u5185\u5b58\u9519\u8bef\u5f15\u7528\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Linux Kernel"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2022-49359",
  "serverity": "\u4e2d",
  "submitTime": "2025-03-05",
  "title": "Linux kernel panfrost\u6a21\u5757\u5185\u5b58\u9519\u8bef\u5f15\u7528\u6f0f\u6d1e"
}

CVE-2022-49359 (GCVE-0-2022-49359)

Vulnerability from cvelistv5 – Published: 2025-02-26 02:11 – Updated: 2026-08-05 08:54

Title

drm/panfrost: Job should reference MMU not file_priv

Summary

In the Linux kernel, the following vulnerability has been resolved: drm/panfrost: Job should reference MMU not file_priv For a while now it's been allowed for a MMU context to outlive it's corresponding panfrost_priv, however the job structure still references panfrost_priv to get hold of the MMU context. If panfrost_priv has been freed this is a use-after-free which I've been able to trigger resulting in a splat. To fix this, drop the reference to panfrost_priv in the job structure and add a direct reference to the MMU structure which is what's actually needed.

Severity

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 2025-02-27 18:16 UTC

CWE

CWE-416 - Use After Free

Assigner

Linux mitre root

References

3 references

URL	Tags
https://git.kernel.org/stable/c/8c8e8cc91a6ffc798…
https://git.kernel.org/stable/c/472dd7ea5e19a1aea…
https://git.kernel.org/stable/c/6e516faf04317db2c…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 7fdc48cc63a30fa3480d18bdd8c5fff2b9b15212 , < 8c8e8cc91a6ffc79865108279a74fd57d9070a17 (git) Affected: 7fdc48cc63a30fa3480d18bdd8c5fff2b9b15212 , < 472dd7ea5e19a1aeabf1711ddc756777e05ee7c2 (git) Affected: 7fdc48cc63a30fa3480d18bdd8c5fff2b9b15212 , < 6e516faf04317db2c46cbec4e3b78b4653a5b109 (git) Affected: c29485e34e63198dca6289639aa711f99d88e76e (git) Affected: 626adede2642f00c8918999a2451bd0a644ab9b7 (git) Affected: cf461fa9250a634e8afc4433d82ae0decea8136e (git) Affected: 5.10.67 , < 5.11 (semver) Affected: 5.13.19 , < 5.14 (semver) Affected: 5.14.6 , < 5.15 (semver)
Linux	Linux	Affected: 5.15 Unaffected: 0 , < 5.15 (semver) Unaffected: 5.17.15 , ≤ 5.17.* (semver) Unaffected: 5.18.4 , ≤ 5.18.* (semver) Unaffected: 5.19 , ≤ * (original_commit_for_fix)

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JSON

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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"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2022-49359",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-02-27T18:16:38.134749Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
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        "problemTypes": [
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                "lang": "en",
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              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-02-27T18:22:33.808Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
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          "product": "Linux",
          "programFiles": [
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          "versions": [
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            {
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            {
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          ],
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          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.15"
            },
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              "version": "0",
              "versionType": "semver"
            },
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            },
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              "lessThanOrEqual": "5.18.*",
              "status": "unaffected",
              "version": "5.18.4",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "5.19",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
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                {
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        }
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              "value": "AV:L - The bug is reached via DRM ioctls (DRM_IOCTL_PANFROST_SUBMIT) and close() on the Panfrost render node (/dev/dri/renderD*), which requires local process access to the device file rather than network or adjacent-network input.\nAC:L - An attacker controls both sides by submitting GPU jobs then closing the FD; panfrost_postclose frees file_priv while in-flight/hard-stopped jobs still dereference it on the IRQ completion path, and the author reproduced the UAF splat without depending on uncontrolled conditions.\nPR:L - Panfrost ioctls are marked DRM_RENDER_ALLOW on a render node that grants GPU access to unprivileged clients (e.g., Android apps or desktop users with render-node access) without root or DRM master authentication.\nUI:N - The attacker opens the render node, submits jobs, and closes their own FD; no separate victim action is required.\nS:U - Impact is confined to the host kernel authority (heap UAF / potential local privilege escalation); this is not a VM escape or IOMMU/DMA security-boundary bypass.\nC:H - Use-after-free of panfrost_file_priv lets an attacker reclaim the object and corrupt the mmu pointer used by panfrost_mmu_as_get/put, enabling arbitrary kernel memory disclosure per UAF exploitation guidance.\nI:H - The same reclaimed file_priv/MMU pointer is consumed by job submit and IRQ completion paths that mutate MMU address-space state, yielding a controllable write/control-flow primitive suitable for integrity compromise and code execution.\nA:H - Dereferencing the freed file_priv causes a kernel oops/splat (as reported by the fix author) and can panic or hang the system, which is High availability impact."
            }
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        {
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      "title": "drm/panfrost: Job should reference MMU not file_priv",
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    "assignerShortName": "Linux",
    "cveId": "CVE-2022-49359",
    "datePublished": "2025-02-26T02:11:07.930Z",
    "dateReserved": "2025-02-26T02:08:31.546Z",
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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.

Detection rules are retrieved from Rulezet.

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.

Related by attack behaviour

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