CVE-2014-5045:详情

CVE-2014-5045

0.03%V4
2014-08-01
10h00 +00:00
A01-Broken Access Control
Local
2024-08-06
11h34 +00:00
指定 CVE 通知
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CVE 描述

The mountpoint_last function in fs/namei.c in the Linux kernel before 3.15.8 does not properly maintain a certain reference count during attempts to use the umount system call in conjunction with a symlink, which allows local users to cause a denial of service (memory consumption or use-after-free) or possibly have unspecified other impact via the umount program.

CVE 信息

相关弱点

CWE-ID 弱点名称 来源
CWE-59 Improper Link Resolution Before File Access
The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.

指标

指标 评分 严重程度 CVSS 向量 来源
V2 6.2 AV:L/AC:H/Au:N/C:C/I:C/A:C nvd@nist.gov

EPSS

EPSS 是一种预测漏洞被利用可能性的评分模型。

EPSS 评分

EPSS 模型生成一个介于 0 到 1(即 0% 到 100%)之间的概率评分。评分越高,漏洞被利用的可能性越大。

EPSS 百分位

百分位用于根据 EPSS 评分对 CVE 进行排名。例如,EPSS 百分位为第 95 的 CVE,其被利用的可能性高于 95% 的其他 CVE。因此,百分位可用于比较不同 CVE 的 EPSS 评分。

相关产品

配置 0

Linux>>Linux_kernel >> Version 至(不含) 3.15.8

配置 0

Redhat>>Enterprise_linux_eus >> Version 6.5

Redhat>>Enterprise_linux_server_aus >> Version 6.5

Redhat>>Enterprise_linux_server_tus >> Version 6.5

参考资料

http://www.openwall.com/lists/oss-security/2014/07/24/2
Tags : mailing-list, x_refsource_MLIST
http://www.securityfocus.com/bid/68862
Tags : vdb-entry, x_refsource_BID
http://rhn.redhat.com/errata/RHSA-2015-0062.html
Tags : vendor-advisory, x_refsource_REDHAT
http://secunia.com/advisories/60353
Tags : third-party-advisory, x_refsource_SECUNIA