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CVE-2012-6538

Quick assessment

Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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。NFSv4 implementation是其中的一个分布式文件系统协议。 Linux kernel 3.6之前版本中的net/xfrm/xfrm_user.c中的‘copy_to_user_auth’函数中存在漏洞，该漏洞源于在复制字符串期间程序使用不正确的C库函数。通过CAP_NET_ADMIN功能，本地攻击者利用该漏洞获得来自内核堆内存的敏感信息。

AI Predicted 4.7 Difficulty: Easy EPSS 0.34% · P26
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I. Basic Information for CVE-2012-6538

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The copy_to_user_auth function in net/xfrm/xfrm_user.c in the Linux kernel before 3.6 uses an incorrect C library function for copying a string, which allows local users to obtain sensitive information from kernel heap memory by leveraging the CAP_NET_ADMIN capability.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel ‘copy_to_user_auth’函数敏感信息漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability 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。NFSv4 implementation是其中的一个分布式文件系统协议。 Linux kernel 3.6之前版本中的net/xfrm/xfrm_user.c中的‘copy_to_user_auth’函数中存在漏洞，该漏洞源于在复制字符串期间程序使用不正确的C库函数。通过CAP_NET_ADMIN功能，本地攻击者利用该漏洞获得来自内核堆内存的敏感信息。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- n/a n/a -

II. Public POCs for CVE-2012-6538

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III. Intelligence Information for CVE-2012-6538

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Patches & Fixes for CVE-2012-6538 (2)

Vendor Advisories for CVE-2012-6538 (1)

Mailing List Discussions for CVE-2012-6538 (1)

Other References for CVE-2012-6538 (1)

Same Patch Batch · n/a · 2013-03-14 · 19 CVEs total

CVE-2012-6545 Linux kernel Bluetooth RFCOMM实现敏感信息漏洞
CVE-2013-2566 TLS/SSL协议 RC4算法加密问题漏洞
CVE-2013-2548 Linux kernel ‘crypto_report_one’函数敏感信息漏洞
CVE-2013-2547 Linux kernel ‘crypto_report_one’函数敏感信息漏洞
CVE-2013-2546 Linux Kernel 本地信息泄露漏洞
CVE-2012-6549 Linux kernel ‘isofs_export_encode_fh’函数敏感信息漏洞
CVE-2012-6548 Linux kernel ‘udf_encode_fh function’函数敏感信息漏洞
CVE-2012-6547 Linux kernel ‘__tun_chr_ioctl’函数敏感信息漏洞
CVE-2012-6546 Linux kernel ATM实现敏感信息漏洞
CVE-2013-1814 Apache Rave users/get程序信息泄露漏洞
CVE-2012-6544 Linux kernel Bluetooth协议栈敏感信息漏洞
CVE-2012-6543 Linux kernel ‘l2tp_ip6_getname’函数敏感信息漏洞
CVE-2012-6542 Linux kernel ‘lc_ui_getname’函数敏感信息漏洞
CVE-2012-6541 Linux kernel ‘ccid3_hc_tx_getsockopt’函数敏感信息漏洞
CVE-2012-6540 Linux kernel ‘do_ip_vs_get_ctl’函数敏感信息漏洞
CVE-2012-6539 Linux kernel ‘dev_ifconf’函数敏感信息漏洞
CVE-2012-6537 Linux kernel ‘net/xfrm/xfrm_user.c’敏感信息漏洞
CVE-2012-6536 Linux Kernel 本地信息泄露漏洞

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

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