cnvd - cnvd-2020-08114

cnvd-2020-08114

Vulnerability from cnvd

Title: Linux kernel释放后重用漏洞（CNVD-2020-08114）

Description:

Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。

Linux kernel 4.14 longterm版本至4.14.165版本、4.19 longterm版本至4.19.96版本和5.2之前的5.x版本中的drivers/gpu/drm/i915/i915_gem_gtt.c文件的‘i915_ppgtt_close’函数存在释放后重用漏洞。该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。

Severity: 中

Patch Name: Linux kernel释放后重用漏洞（CNVD-2020-08114）的补丁

Patch Description:

Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。

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/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7dc40713618c884bf07c030d1ab1f47a9dc1f310

Reference: https://nvd.nist.gov/vuln/detail/CVE-2020-7053

Impacted products

Name
['Linux Linux kernel 5.*;<5.2', 'Linux linux_kernel >=4.14 longterm，<=4.14.165', 'Linux linux_kernel >=4.19 longterm，<=4.19.96']

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-7053",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-7053"
    }
  },
  "description": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u53d1\u5e03\u7684\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002\n\nLinux kernel 4.14 longterm\u7248\u672c\u81f34.14.165\u7248\u672c\u30014.19 longterm\u7248\u672c\u81f34.19.96\u7248\u672c\u548c5.2\u4e4b\u524d\u76845.x\u7248\u672c\u4e2d\u7684drivers/gpu/drm/i915/i915_gem_gtt.c\u6587\u4ef6\u7684\u2018i915_ppgtt_close\u2019\u51fd\u6570\u5b58\u5728\u91ca\u653e\u540e\u91cd\u7528\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7f51\u7edc\u7cfb\u7edf\u6216\u4ea7\u54c1\u5728\u5185\u5b58\u4e0a\u6267\u884c\u64cd\u4f5c\u65f6\uff0c\u672a\u6b63\u786e\u9a8c\u8bc1\u6570\u636e\u8fb9\u754c\uff0c\u5bfc\u81f4\u5411\u5173\u8054\u7684\u5176\u4ed6\u5185\u5b58\u4f4d\u7f6e\u4e0a\u6267\u884c\u4e86\u9519\u8bef\u7684\u8bfb\u5199\u64cd\u4f5c\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7f13\u51b2\u533a\u6ea2\u51fa\u6216\u5806\u6ea2\u51fa\u7b49\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/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7dc40713618c884bf07c030d1ab1f47a9dc1f310",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-08114",
  "openTime": "2020-02-14",
  "patchDescription": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u53d1\u5e03\u7684\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002\r\n\r\nLinux kernel 4.14 longterm\u7248\u672c\u81f34.14.165\u7248\u672c\u30014.19 longterm\u7248\u672c\u81f34.19.96\u7248\u672c\u548c5.2\u4e4b\u524d\u76845.x\u7248\u672c\u4e2d\u7684drivers/gpu/drm/i915/i915_gem_gtt.c\u6587\u4ef6\u7684\u2018i915_ppgtt_close\u2019\u51fd\u6570\u5b58\u5728\u91ca\u653e\u540e\u91cd\u7528\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7f51\u7edc\u7cfb\u7edf\u6216\u4ea7\u54c1\u5728\u5185\u5b58\u4e0a\u6267\u884c\u64cd\u4f5c\u65f6\uff0c\u672a\u6b63\u786e\u9a8c\u8bc1\u6570\u636e\u8fb9\u754c\uff0c\u5bfc\u81f4\u5411\u5173\u8054\u7684\u5176\u4ed6\u5185\u5b58\u4f4d\u7f6e\u4e0a\u6267\u884c\u4e86\u9519\u8bef\u7684\u8bfb\u5199\u64cd\u4f5c\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7f13\u51b2\u533a\u6ea2\u51fa\u6216\u5806\u6ea2\u51fa\u7b49\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\u91ca\u653e\u540e\u91cd\u7528\u6f0f\u6d1e\uff08CNVD-2020-08114\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Linux Linux kernel 5.*;\u003c5.2",
      "Linux linux_kernel \u003e=4.14 longterm\uff0c\u003c=4.14.165",
      "Linux linux_kernel \u003e=4.19 longterm\uff0c\u003c=4.19.96"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-7053",
  "serverity": "\u4e2d",
  "submitTime": "2020-01-20",
  "title": "Linux kernel\u91ca\u653e\u540e\u91cd\u7528\u6f0f\u6d1e\uff08CNVD-2020-08114\uff09"
}

CVE-2020-7053 (GCVE-0-2020-7053)

Vulnerability from cvelistv5

Published

2020-01-14 20:04

Modified

2024-08-04 09:18

Severity ?

CWE

Summary

In the Linux kernel 4.14 longterm through 4.14.165 and 4.19 longterm through 4.19.96 (and 5.x before 5.2), there is a use-after-free (write) in the i915_ppgtt_close function in drivers/gpu/drm/i915/i915_gem_gtt.c, aka CID-7dc40713618c. This is related to i915_gem_context_destroy_ioctl in drivers/gpu/drm/i915/i915_gem_context.c.

References

▼	URL	Tags
	https://lore.kernel.org/stable/20200114183937.12224-1-tyhicks%40canonical.com	x_refsource_MISC
	https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2	x_refsource_MISC
	https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=7dc40713618c884bf07c030d1ab1f47a9dc1f310	x_refsource_MISC
	https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1859522	x_refsource_CONFIRM
	https://usn.ubuntu.com/4255-1/	vendor-advisory, x_refsource_UBUNTU
	https://usn.ubuntu.com/4255-2/	vendor-advisory, x_refsource_UBUNTU
	https://security.netapp.com/advisory/ntap-20200204-0002/	x_refsource_CONFIRM
	http://packetstormsecurity.com/files/156455/Kernel-Live-Patch-Security-Notice-LSN-0063-1.html	x_refsource_MISC
	https://usn.ubuntu.com/4285-1/	vendor-advisory, x_refsource_UBUNTU
	https://usn.ubuntu.com/4287-1/	vendor-advisory, x_refsource_UBUNTU
	https://usn.ubuntu.com/4287-2/	vendor-advisory, x_refsource_UBUNTU
	http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html	vendor-advisory, x_refsource_SUSE

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

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}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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