|
|
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 200402-06 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ~ http://security.gentoo.org - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ~ Severity: Normal ~ Title: Linux kernel AMD64 ptrace vulnerability ~ Date: February 17, 2004 ~ ID: 200402-06 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== A vulnerability has been discovered by in the ptrace emulation code for AMD64 platforms when eflags are processed, allowing a local user to obtain elevated priveleges. Affected packages ================= ~ ------------------------------------------------------- ~ Kernel / Unaffected Version ~ ------------------------------------------------------- ~ ck-sources..........................2.6.2-r1........... ~ development-sources.................2.6.2.............. ~ gentoo-dev-sources..................2.6.2.............. ~ gentoo-sources......................2.4.20-r12......... ~ gs-sources..........................2.4.25_pre7-r1..... ~ vanilla-prepatch-sources............2.4.25_rc3......... ~ vanilla-sources.....................2.4.24-r1.......... Description =========== A vulnerability has been discovered by Andi Kleen in the ptrace emulation code for AMD64 platforms when eflags are processed, allowing a local user to obtain elevated priveleges. The Common Vulnerabilities and Exposures project has assigned CAN-2004-0001 to this issue. Impact ====== ( Only users of the AMD64 platform are affected ) In this scenario, a user may be able to obtain elevated priveleges, including root access. However, no public exploit is known for the vulnerability at this time. Workaround ========== There is no temporary workaround - a kernel upgrade is required. A list of unaffected kernels is provided along with this announcement. Resolution ========== Users are encouraged to upgrade to the latest available sources for their system: ~ # emerge sync ~ # emerge -pv your-favorite-sources ~ # emerge your-favorite-sources ~ # # Follow usual procedures for compiling and installing a kernel. ~ # # If you use genkernel, run genkernel as you would do normally. ~ # # See http://www.gentoo.org/doc/en/handbook/handbook.xml for help. Concerns? ========= Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at http://bugs.gentoo.org. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFAMXwiMMXbAy2b2EIRAqDmAKDhG09r3rq6xFlOIB6i6auX1Fcc/ACeO0wE /deJ+dBC2NsZ+bVLmCrHYZQ= =IQWM -----END PGP SIGNATURE-----