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Gentoo Linux Security Advisory GLSA 200402-06 |
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~ http://security.gentoo.org |
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|
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~ Severity: Normal |
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~ Title: Linux kernel AMD64 ptrace vulnerability |
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~ Date: February 17, 2004 |
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~ ID: 200402-06 |
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Synopsis |
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======== |
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|
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A vulnerability has been discovered by in the ptrace emulation code for |
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AMD64 platforms when eflags are processed, allowing a local user to |
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obtain elevated priveleges. |
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|
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Affected packages |
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================= |
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|
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~ ------------------------------------------------------- |
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~ Kernel / Unaffected Version |
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~ ------------------------------------------------------- |
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|
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~ ck-sources..........................2.6.2-r1........... |
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~ development-sources.................2.6.2.............. |
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~ gentoo-dev-sources..................2.6.2.............. |
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~ gentoo-sources......................2.4.20-r12......... |
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~ gs-sources..........................2.4.25_pre7-r1..... |
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~ vanilla-prepatch-sources............2.4.25_rc3......... |
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~ vanilla-sources.....................2.4.24-r1.......... |
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Description |
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=========== |
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|
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A vulnerability has been discovered by Andi Kleen in the ptrace |
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emulation code for AMD64 platforms when eflags are processed, allowing a |
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local user to obtain elevated priveleges. The Common Vulnerabilities and |
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Exposures project has assigned CAN-2004-0001 to this issue. |
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|
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Impact |
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====== |
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|
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( Only users of the AMD64 platform are affected ) |
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In this scenario, a user may be able to obtain elevated priveleges, |
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including root access. However, no public exploit is known for the |
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vulnerability at this time. |
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|
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Workaround |
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========== |
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There is no temporary workaround - a kernel upgrade is required. A list |
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of unaffected kernels is provided along with this announcement. |
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Resolution |
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========== |
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|
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Users are encouraged to upgrade to the latest available sources for |
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their system: |
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|
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~ # emerge sync |
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~ # emerge -pv your-favorite-sources |
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|
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~ # emerge your-favorite-sources |
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|
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~ # # Follow usual procedures for compiling and installing a kernel. |
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~ # # If you use genkernel, run genkernel as you would do normally. |
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~ # # See http://www.gentoo.org/doc/en/handbook/handbook.xml for help. |
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Concerns? |
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========= |
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Security is a primary focus of Gentoo Linux and ensuring the |
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confidentiality and security of our users machines is of utmost |
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importance to us. Any security concerns should be addressed to |
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security@g.o or alternatively, you may file a bug at |
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http://bugs.gentoo.org. |
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|
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