Vulnerability-Lookup

CNVD-2020-00264

Vulnerability from cnvd - Published: 2019-12-23

Title

Linux kernel空指针解引用漏洞（CNVD-2020-00264）

Description

Linux kernel是一种计算机操作系统内核，以C语言和汇编语言写成，符合POSIX标准，按GNU通用公共许可证发行。 Linux kernel 5.0.21存在空指针解引用漏洞。攻击者可通过利用该漏洞导致发生空指针解引用。

Severity

中

Patch Name

Linux kernel空指针解引用漏洞（CNVD-2020-00264）的补丁

Patch Description

Linux kernel是一种计算机操作系统内核，以C语言和汇编语言写成，符合POSIX标准，按GNU通用公共许可证发行。 Linux kernel 5.0.21存在空指针解引用漏洞。攻击者可通过利用该漏洞导致发生空指针解引用。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://github.com/torvalds/linux/commit/4969c06a0d83c9c3dc50b8efcdc8eeedfce896f6#diff-41a7fa4590d2af87e82101f2b4dadb56

Reference

https://nvd.nist.gov/vuln/detail/CVE-2019-19815

Impacted products

Name
Linux Linux kernel 5.0.21

Show details on source website

JSON

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  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-19815",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2019-19815"
    }
  },
  "description": "Linux kernel\u662f\u4e00\u79cd\u8ba1\u7b97\u673a\u64cd\u4f5c\u7cfb\u7edf\u5185\u6838\uff0c\u4ee5C\u8bed\u8a00\u548c\u6c47\u7f16\u8bed\u8a00\u5199\u6210\uff0c\u7b26\u5408POSIX\u6807\u51c6\uff0c\u6309GNU\u901a\u7528\u516c\u5171\u8bb8\u53ef\u8bc1\u53d1\u884c\u3002\n\nLinux kernel 5.0.21\u5b58\u5728\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u53d1\u751f\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1ahttps://github.com/torvalds/linux/commit/4969c06a0d83c9c3dc50b8efcdc8eeedfce896f6#diff-41a7fa4590d2af87e82101f2b4dadb56",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-00264",
  "openTime": "2019-12-23",
  "patchDescription": "Linux kernel\u662f\u4e00\u79cd\u8ba1\u7b97\u673a\u64cd\u4f5c\u7cfb\u7edf\u5185\u6838\uff0c\u4ee5C\u8bed\u8a00\u548c\u6c47\u7f16\u8bed\u8a00\u5199\u6210\uff0c\u7b26\u5408POSIX\u6807\u51c6\uff0c\u6309GNU\u901a\u7528\u516c\u5171\u8bb8\u53ef\u8bc1\u53d1\u884c\u3002\r\n\r\nLinux kernel 5.0.21\u5b58\u5728\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u53d1\u751f\u7a7a\u6307\u9488\u89e3\u5f15\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\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\uff08CNVD-2020-00264\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Linux Linux kernel 5.0.21"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2019-19815",
  "serverity": "\u4e2d",
  "submitTime": "2019-12-17",
  "title": "Linux kernel\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\uff08CNVD-2020-00264\uff09"
}

CVE-2019-19815 (GCVE-0-2019-19815)

Vulnerability from cvelistv5 – Published: 2019-12-17 06:29 – Updated: 2024-08-05 02:25

Summary

In the Linux kernel 5.0.21, mounting a crafted f2fs filesystem image can cause a NULL pointer dereference in f2fs_recover_fsync_data in fs/f2fs/recovery.c. This is related to F2FS_P_SB in fs/f2fs/f2fs.h.

Severity

No CVSS data available.

CWE

Assigner

mitre

References

3 references

URL	Tags
https://github.com/bobfuzzer/CVE/tree/master/CVE-…	x_refsource_MISC
https://github.com/torvalds/linux/commit/4969c06a…	x_refsource_MISC
https://security.netapp.com/advisory/ntap-2020010…	x_refsource_CONFIRM

Show details on NVD website

JSON

To clipboard

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            "url": "https://github.com/torvalds/linux/commit/4969c06a0d83c9c3dc50b8efcdc8eeedfce896f6#diff-41a7fa4590d2af87e82101f2b4dadb56"
          },
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        }
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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.

Action not permitted

CNVD-2020-00264

CVE-2019-19815 (GCVE-0-2019-19815)

Tags

Sightings

Nomenclature