Vulnerability-Lookup

CNVD-2019-38523

Vulnerability from cnvd - Published: 2019-10-31

Title

Linux kernel内存破坏漏洞（CNVD-2019-38523）

Description

Linux是一套免费使用和自由传播的类Unix操作系统，是一个基于POSIX和UNIX的多用户、多任务、支持多线程和多CPU的操作系统 Linux kernel存在内存破坏漏洞，攻击者可以利用该漏洞在系统上执行任意代码，导致内存损坏系统拒绝服务。

Severity

中

Patch Name

Linux kernel内存破坏漏洞（CNVD-2019-38523）的补丁

Patch Description

Linux是一套免费使用和自由传播的类Unix操作系统，是一个基于POSIX和UNIX的多用户、多任务、支持多线程和多CPU的操作系统 Linux kernel存在内存破坏漏洞，攻击者可以利用该漏洞在系统上执行任意代码，导致内存损坏系统拒绝服务。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

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://launchpad.net/ubuntu/+source/linux?_ga=2.201581521.1589292656.1561438502-2037395991.1555445551

Reference

https://nvd.nist.gov/vuln/detail/CVE-2019-12817

Impacted products

Name
Linux Linux kernel 19.04

Show details on source website

JSON

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  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-12817",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2019-12817"
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  "description": "Linux\u662f\u4e00\u5957\u514d\u8d39\u4f7f\u7528\u548c\u81ea\u7531\u4f20\u64ad\u7684\u7c7bUnix\u64cd\u4f5c\u7cfb\u7edf\uff0c\u662f\u4e00\u4e2a\u57fa\u4e8ePOSIX\u548cUNIX\u7684\u591a\u7528\u6237\u3001\u591a\u4efb\u52a1\u3001\u652f\u6301\u591a\u7ebf\u7a0b\u548c\u591aCPU\u7684\u64cd\u4f5c\u7cfb\u7edf\n\nLinux kernel\u5b58\u5728\u5185\u5b58\u7834\u574f\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u7cfb\u7edf\u4e0a\u6267\u884c\u4efb\u610f\u4ee3\u7801\uff0c\u5bfc\u81f4\u5185\u5b58\u635f\u574f\u7cfb\u7edf\u62d2\u7edd\u670d\u52a1\u3002",
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  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-38523",
  "openTime": "2019-10-31",
  "patchDescription": "Linux\u662f\u4e00\u5957\u514d\u8d39\u4f7f\u7528\u548c\u81ea\u7531\u4f20\u64ad\u7684\u7c7bUnix\u64cd\u4f5c\u7cfb\u7edf\uff0c\u662f\u4e00\u4e2a\u57fa\u4e8ePOSIX\u548cUNIX\u7684\u591a\u7528\u6237\u3001\u591a\u4efb\u52a1\u3001\u652f\u6301\u591a\u7ebf\u7a0b\u548c\u591aCPU\u7684\u64cd\u4f5c\u7cfb\u7edf\r\n\r\nLinux kernel\u5b58\u5728\u5185\u5b58\u7834\u574f\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u7cfb\u7edf\u4e0a\u6267\u884c\u4efb\u610f\u4ee3\u7801\uff0c\u5bfc\u81f4\u5185\u5b58\u635f\u574f\u7cfb\u7edf\u62d2\u7edd\u670d\u52a1\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\u5185\u5b58\u7834\u574f\u6f0f\u6d1e\uff08CNVD-2019-38523\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Linux Linux kernel 19.04"
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  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2019-12817",
  "serverity": "\u4e2d",
  "submitTime": "2019-06-25",
  "title": "Linux kernel\u5185\u5b58\u7834\u574f\u6f0f\u6d1e\uff08CNVD-2019-38523\uff09"
}

CVE-2019-12817 (GCVE-0-2019-12817)

Vulnerability from cvelistv5 – Published: 2019-06-25 11:12 – Updated: 2024-08-04 23:32

Summary

arch/powerpc/mm/mmu_context_book3s64.c in the Linux kernel before 5.1.15 for powerpc has a bug where unrelated processes may be able to read/write to one another's virtual memory under certain conditions via an mmap above 512 TB. Only a subset of powerpc systems are affected.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root Scorecard

References

13 references

URL	Tags
https://usn.ubuntu.com/4031-1/	vendor-advisoryx_refsource_UBUNTU
http://www.openwall.com/lists/oss-security/2019/06/24/5	mailing-listx_refsource_MLIST
https://git.kernel.org/pub/scm/linux/kernel/git/t…	x_refsource_MISC
https://cdn.kernel.org/pub/linux/kernel/v5.x/Chan…	x_refsource_CONFIRM
http://www.securityfocus.com/bid/108884	vdb-entryx_refsource_BID
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
https://www.debian.org/security/2019/dsa-4495	vendor-advisoryx_refsource_DEBIAN
https://seclists.org/bugtraq/2019/Aug/13	mailing-listx_refsource_BUGTRAQ
https://support.f5.com/csp/article/K12876166	x_refsource_CONFIRM
https://access.redhat.com/errata/RHSA-2019:2703	vendor-advisoryx_refsource_REDHAT
https://support.f5.com/csp/article/K12876166?utm_…	x_refsource_CONFIRM

Show details on NVD website

JSON

To clipboard

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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.

Related by attack behaviour

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Action not permitted

CNVD-2019-38523

CVE-2019-12817 (GCVE-0-2019-12817)

Tags

Sightings

Nomenclature

Related by attack behaviour