Linux Kernel put_user/get_user kernel API权限提升漏洞

详细信息

漏洞类型

输入验证错误

漏洞描述

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。 基于v6k和v7 ARM平台上的Linux kernel 3.5.4及之前的版本中的get_user和put_user API函数中存在安全漏洞，该漏洞源于程序没有验证目标地址。攻击者可借助特制的应用程序利用该漏洞读取或修改任意内核内存位置的内容。在2013年10月和2013年11月对Android设备进行了广泛利用。

修复建议

应用此漏洞的修补程序，可从Linux内核GIT存储库获得： https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/arch/arm/include/asm/uaccess.h?id=8404663f81d212918ff85f493649a7991209fa04

参考链接

• https://github.com/torvalds/linux/commit/8404663f81d212918ff85f493649a7991209fa04

  CVE · x_refsource_CONFIRM

• http://www.codeaurora.org/projects/security-advisories/missing-access-checks-putusergetuser-kernel-api-cve-2013-6282

  CVE · x_refsource_CONFIRM

• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=8404663f81d212918ff85f493649a7991209fa04

  OSV

• http://www.openwall.com/lists/oss-security/2013/11/14/11

  CVE · mailing-list · x_refsource_MLIST

• http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.5.5

  CVE · x_refsource_CONFIRM

• http://www.ubuntu.com/usn/USN-2067-1

  CVE · vendor-advisory · x_refsource_UBUNTU

• https://www.exploit-db.com/exploits/40975/

  CVE · exploit · x_refsource_EXPLOIT-DB

• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=8404663f81d212918ff85f493649a7991209fa04

  CVE · x_refsource_CONFIRM

• https://security-tracker.debian.org/tracker/CVE-2013-6282

  OSV

• https://osv.dev/vulnerability/CVE-2013-6282

  OSV

• https://ubuntu.com/security/CVE-2013-6282

  OSV

• https://www.codeaurora.org/projects/security-advisories/missing-access-checks-putusergetuser-kernel-api-cve-2013-6282

  OSV · Patch

• https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/arch/arm/include/asm/uaccess.h?id=8404663f81d212918ff85f493649a7991209fa04

  OSV

• https://ubuntu.com/security/notices/USN-2067-1

  OSV

• https://www.cve.org/CVERecord?id=CVE-2013-6282

  OSV

• https://www.cisa.gov/known-exploited-vulnerabilities-catalog

  OSV

• https://osv.dev/vulnerability/UBUNTU-CVE-2013-6282

  OSV

• https://osv.dev/vulnerability/DEBIAN-CVE-2013-6282

  OSV

• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2013-6282

  NVD · US Government Resource