** Changed in: linux (Ubuntu Vivid) Status: Fix Released => Invalid
** Changed in: linux (Ubuntu Wily) Status: Fix Released => Invalid ** Changed in: linux-lts-vivid (Ubuntu Trusty) Status: Fix Committed => Invalid ** Changed in: linux-lts-saucy (Ubuntu Precise) Status: Invalid => Won't Fix ** Changed in: linux-lts-raring (Ubuntu Precise) Status: Invalid => Won't Fix ** No longer affects: linux-lts-backport-maverick (Ubuntu) ** No longer affects: linux-lts-backport-maverick (Ubuntu Lucid) ** No longer affects: linux-lts-backport-maverick (Ubuntu Precise) ** No longer affects: linux-lts-backport-maverick (Ubuntu Trusty) ** No longer affects: linux-lts-backport-maverick (Ubuntu Utopic) ** No longer affects: linux-lts-backport-maverick (Ubuntu Vivid) ** No longer affects: linux-lts-backport-maverick (Ubuntu Wily) ** No longer affects: linux-lts-backport-natty (Ubuntu Wily) ** No longer affects: linux-lts-backport-natty (Ubuntu Vivid) ** No longer affects: linux-lts-backport-natty (Ubuntu Utopic) ** No longer affects: linux-lts-backport-natty (Ubuntu Trusty) ** No longer affects: linux-lts-backport-natty (Ubuntu Precise) ** No longer affects: linux-lts-backport-natty (Ubuntu Lucid) ** No longer affects: linux-lts-backport-natty (Ubuntu) ** Description changed: - [execution in the early microcode loader x86/intel] Guard against stack - overflow in the loader mc_saved_tmp is a static array allocated on the - stack, we need to make sure mc_saved_count stays within its bounds, - otherwise we're overflowing the stack in _save_mc(). A specially crafted - microcode header could lead to a kernel crash or potentially kernel - execution. + Stack-based buffer overflow in the get_matching_model_microcode function in + arch/x86/kernel/cpu/microcode/intel_early.c in the Linux kernel before 4.0 + allows context-dependent attackers to gain privileges by constructing a + crafted microcode header and leveraging root privileges for write access to + the initrd. Break-Fix: ec400ddeff200b068ddc6c70f7321f49ecf32ed5 f84598bd7c851f8b0bf8cd0d7c3be0d73c432ff4 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-armadaxp in Ubuntu. https://bugs.launchpad.net/bugs/1438504 Title: CVE-2015-2666 Status in linux package in Ubuntu: Invalid Status in linux-armadaxp package in Ubuntu: Invalid Status in linux-ec2 package in Ubuntu: Invalid Status in linux-flo package in Ubuntu: Invalid Status in linux-fsl-imx51 package in Ubuntu: Invalid Status in linux-goldfish package in Ubuntu: Invalid Status in linux-lts-quantal package in Ubuntu: Invalid Status in linux-lts-raring package in Ubuntu: Invalid Status in linux-lts-saucy package in Ubuntu: Invalid Status in linux-lts-trusty package in Ubuntu: Invalid Status in linux-lts-utopic package in Ubuntu: Invalid Status in linux-lts-vivid package in Ubuntu: Invalid Status in linux-mako package in Ubuntu: Invalid Status in linux-manta package in Ubuntu: Invalid Status in linux-mvl-dove package in Ubuntu: Invalid Status in linux-ti-omap4 package in Ubuntu: Invalid Status in linux source package in Precise: Invalid Status in linux-armadaxp source package in Precise: Invalid Status in linux-ec2 source package in Precise: Invalid Status in linux-flo source package in Precise: Invalid Status in linux-fsl-imx51 source package in Precise: Invalid Status in linux-goldfish source package in Precise: Invalid Status in linux-lts-quantal source package in Precise: Invalid Status in linux-lts-raring source package in Precise: Won't Fix Status in linux-lts-saucy source package in Precise: Won't Fix Status in linux-lts-trusty source package in Precise: Fix Released Status in linux-lts-utopic source package in Precise: Invalid Status in linux-lts-vivid source package in Precise: Invalid Status in linux-mako source package in Precise: Invalid Status in linux-manta source package in Precise: Invalid Status in linux-mvl-dove source package in Precise: Invalid Status in linux-ti-omap4 source package in Precise: Invalid Status in linux source package in Trusty: Fix Released Status in linux-armadaxp source package in Trusty: Invalid Status in linux-ec2 source package in Trusty: Invalid Status in linux-flo source package in Trusty: Invalid Status in linux-fsl-imx51 source package in Trusty: Invalid Status in linux-goldfish source package in Trusty: Invalid Status in linux-lts-quantal source package in Trusty: Invalid Status in linux-lts-raring source package in Trusty: Invalid Status in linux-lts-saucy source package in Trusty: Invalid Status in linux-lts-trusty source package in Trusty: Invalid Status in linux-lts-utopic source package in Trusty: Fix Released Status in linux-lts-vivid source package in Trusty: Invalid Status in linux-mako source package in Trusty: Invalid Status in linux-manta source package in Trusty: Invalid Status in linux-mvl-dove source package in Trusty: Invalid Status in linux-ti-omap4 source package in Trusty: Invalid Status in linux source package in Utopic: Fix Released Status in linux-armadaxp source package in Utopic: Invalid Status in linux-ec2 source package in Utopic: Invalid Status in linux-flo source package in Utopic: Invalid Status in linux-fsl-imx51 source package in Utopic: Invalid Status in linux-goldfish source package in Utopic: Invalid Status in linux-lts-quantal source package in Utopic: Invalid Status in linux-lts-raring source package in Utopic: Invalid Status in linux-lts-saucy source package in Utopic: Invalid Status in linux-lts-trusty source package in Utopic: Invalid Status in linux-lts-utopic source package in Utopic: Invalid Status in linux-lts-vivid source package in Utopic: Invalid Status in linux-mako source package in Utopic: Invalid Status in linux-manta source package in Utopic: Invalid Status in linux-mvl-dove source package in Utopic: Invalid Status in linux-ti-omap4 source package in Utopic: Invalid Status in linux source package in Vivid: Invalid Status in linux-armadaxp source package in Vivid: Invalid Status in linux-ec2 source package in Vivid: Invalid Status in linux-flo source package in Vivid: Invalid Status in linux-fsl-imx51 source package in Vivid: Invalid Status in linux-goldfish source package in Vivid: Invalid Status in linux-lts-quantal source package in Vivid: Invalid Status in linux-lts-raring source package in Vivid: Invalid Status in linux-lts-saucy source package in Vivid: Invalid Status in linux-lts-trusty source package in Vivid: Invalid Status in linux-lts-utopic source package in Vivid: Invalid Status in linux-lts-vivid source package in Vivid: Invalid Status in linux-mako source package in Vivid: Invalid Status in linux-manta source package in Vivid: Invalid Status in linux-mvl-dove source package in Vivid: Invalid Status in linux-ti-omap4 source package in Vivid: Invalid Status in linux source package in Wily: Invalid Status in linux-armadaxp source package in Wily: Invalid Status in linux-ec2 source package in Wily: Invalid Status in linux-flo source package in Wily: Invalid Status in linux-fsl-imx51 source package in Wily: Invalid Status in linux-goldfish source package in Wily: Invalid Status in linux-lts-quantal source package in Wily: Invalid Status in linux-lts-raring source package in Wily: Invalid Status in linux-lts-saucy source package in Wily: Invalid Status in linux-lts-trusty source package in Wily: Invalid Status in linux-lts-utopic source package in Wily: Invalid Status in linux-lts-vivid source package in Wily: Invalid Status in linux-mako source package in Wily: Invalid Status in linux-manta source package in Wily: Invalid Status in linux-mvl-dove source package in Wily: Invalid Status in linux-ti-omap4 source package in Wily: Invalid Bug description: Stack-based buffer overflow in the get_matching_model_microcode function in arch/x86/kernel/cpu/microcode/intel_early.c in the Linux kernel before 4.0 allows context-dependent attackers to gain privileges by constructing a crafted microcode header and leveraging root privileges for write access to the initrd. Break-Fix: ec400ddeff200b068ddc6c70f7321f49ecf32ed5 f84598bd7c851f8b0bf8cd0d7c3be0d73c432ff4 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1438504/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp