Vulnerability-Lookup

CNVD-2024-06235

Vulnerability from cnvd - Published: 2024-01-31

Title

Linux kernel代码问题漏洞（CNVD-2024-06235）

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存在代码问题漏洞，该漏洞源于drivers/vhost/vhost.c中的vhost_new_msg无法正确初始化虚拟客户机和主机操作系统之间传递的消息中的内存，本地特权攻击者可利用该漏洞读取某些内核内存内容。

Severity

中

Patch Name

Linux kernel代码问题漏洞（CNVD-2024-06235）的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://lore.kernel.org/lkml/5kn47peabxjrptkqa6dwtyus35ahf4pcj4qm4pumse33kxqpjw@mec4se5relrc/T/

Reference

https://access.redhat.com/security/cve/CVE-2024-0340

Impacted products

Name
Linux Linux kernel <6.4

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2024-0340",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2024-0340"
    }
  },
  "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\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8edrivers/vhost/vhost.c\u4e2d\u7684vhost_new_msg\u65e0\u6cd5\u6b63\u786e\u521d\u59cb\u5316\u865a\u62df\u5ba2\u6237\u673a\u548c\u4e3b\u673a\u64cd\u4f5c\u7cfb\u7edf\u4e4b\u95f4\u4f20\u9012\u7684\u6d88\u606f\u4e2d\u7684\u5185\u5b58\uff0c\u672c\u5730\u7279\u6743\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u8bfb\u53d6\u67d0\u4e9b\u5185\u6838\u5185\u5b58\u5185\u5bb9\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://lore.kernel.org/lkml/5kn47peabxjrptkqa6dwtyus35ahf4pcj4qm4pumse33kxqpjw@mec4se5relrc/T/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2024-06235",
  "openTime": "2024-01-31",
  "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\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8edrivers/vhost/vhost.c\u4e2d\u7684vhost_new_msg\u65e0\u6cd5\u6b63\u786e\u521d\u59cb\u5316\u865a\u62df\u5ba2\u6237\u673a\u548c\u4e3b\u673a\u64cd\u4f5c\u7cfb\u7edf\u4e4b\u95f4\u4f20\u9012\u7684\u6d88\u606f\u4e2d\u7684\u5185\u5b58\uff0c\u672c\u5730\u7279\u6743\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u8bfb\u53d6\u67d0\u4e9b\u5185\u6838\u5185\u5b58\u5185\u5bb9\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\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e\uff08CNVD-2024-06235\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Linux Linux kernel \u003c6.4"
  },
  "referenceLink": "https://access.redhat.com/security/cve/CVE-2024-0340",
  "serverity": "\u4e2d",
  "submitTime": "2024-01-12",
  "title": "Linux kernel\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e\uff08CNVD-2024-06235\uff09"
}

CVE-2024-0340 (GCVE-0-2024-0340)

Vulnerability from cvelistv5 – Published: 2024-01-09 17:36 – Updated: 2025-11-07 17:06

Title

Kernel: information disclosure in vhost/vhost.c:vhost_new_msg()

Summary

A vulnerability was found in vhost_new_msg in drivers/vhost/vhost.c in the Linux kernel, which does not properly initialize memory in messages passed between virtual guests and the host operating system in the vhost/vhost.c:vhost_new_msg() function. This issue can allow local privileged users to read some kernel memory contents when reading from the /dev/vhost-net device file.

Severity ?

4.4 (Medium)


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

CWE

CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor

Assigner

redhat

References

URL

Tags

	https://access.redhat.com/errata/RHSA-2024:3618	vendor-advisoryx_refsource_REDHAT
	https://access.redhat.com/errata/RHSA-2024:3627	vendor-advisoryx_refsource_REDHAT
	https://access.redhat.com/errata/RHSA-2024:9315	vendor-advisoryx_refsource_REDHAT
	https://access.redhat.com/errata/RHSA-2025:7526	vendor-advisoryx_refsource_REDHAT
	https://access.redhat.com/security/cve/CVE-2024-0340	vdb-entryx_refsource_REDHAT
	https://bugzilla.redhat.com/show_bug.cgi?id=2257406	issue-trackingx_refsource_REDHAT
	https://lore.kernel.org/lkml/5kn47peabxjrptkqa6dw…

Impacted products

Vendor

Product

Version

Affected: 0 , < 6.4-rc6 (semver)

Red Hat	Red Hat Enterprise Linux 8	Unaffected: 0:4.18.0-553.5.1.rt7.346.el8_10 , < * (rpm) cpe:/a:redhat:enterprise_linux:8::nfv cpe:/a:redhat:enterprise_linux:8::realtime
Red Hat	Red Hat Enterprise Linux 8	Unaffected: 0:4.18.0-553.5.1.el8_10 , < * (rpm) cpe:/a:redhat:enterprise_linux:8::crb cpe:/o:redhat:enterprise_linux:8::baseos
Red Hat	Red Hat Enterprise Linux 9	Unaffected: 0:5.14.0-503.11.1.el9_5 , < * (rpm) cpe:/a:redhat:enterprise_linux:9::crb cpe:/a:redhat:enterprise_linux:9::appstream cpe:/o:redhat:enterprise_linux:9::baseos cpe:/a:redhat:enterprise_linux:9::realtime cpe:/a:redhat:enterprise_linux:9::nfv
Red Hat	Red Hat Enterprise Linux 9	Unaffected: 0:5.14.0-503.11.1.el9_5 , < * (rpm) cpe:/a:redhat:enterprise_linux:9::crb cpe:/a:redhat:enterprise_linux:9::appstream cpe:/o:redhat:enterprise_linux:9::baseos cpe:/a:redhat:enterprise_linux:9::realtime cpe:/a:redhat:enterprise_linux:9::nfv
Red Hat	Red Hat Enterprise Linux 9.4 Extended Update Support	Unaffected: 0:5.14.0-427.68.1.el9_4 , < * (rpm) cpe:/a:redhat:rhel_eus:9.4::realtime cpe:/a:redhat:rhel_eus:9.4::crb cpe:/a:redhat:rhel_eus:9.4::appstream cpe:/o:redhat:rhel_eus:9.4::baseos cpe:/a:redhat:rhel_eus:9.4::nfv
Red Hat	Red Hat Enterprise Linux 6	cpe:/o:redhat:enterprise_linux:6
Red Hat	Red Hat Enterprise Linux 7	cpe:/o:redhat:enterprise_linux:7
Red Hat	Red Hat Enterprise Linux 7	cpe:/o:redhat:enterprise_linux:7
Red Hat	Red Hat Enterprise Linux 9	cpe:/o:redhat:enterprise_linux:9

Show details on NVD website

JSON

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}

Sightings

Author	Source	Type	Date

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-2024-06235

CVE-2024-0340 (GCVE-0-2024-0340)

Tags

Sightings

Nomenclature