Summary: | Kernel: do_sigaltstack: 'stack_t' Information Disclosure (CVE-2009-2847) | ||
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Product: | Gentoo Security | Reporter: | cilly <cilly> |
Component: | Kernel | Assignee: | Gentoo Security <security> |
Status: | RESOLVED FIXED | ||
Severity: | normal | CC: | hardened-kernel+disabled, kernel |
Priority: | Highest | ||
Version: | unspecified | ||
Hardware: | All | ||
OS: | Linux | ||
URL: | http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=0083fc2c50e6c5127c2802ad323adf8143ab7856 | ||
Whiteboard: | [linux <2.6.31] | ||
Package list: | Runtime testing required: | --- |
Description
cilly
2009-08-05 07:24:52 UTC
CVE-2009-2847 (http://nvd.nist.gov/nvd.cfm?cvename=CVE-2009-2847): The do_sigaltstack function in kernel/signal.c in Linux kernel 2.6 before 2.6.31-rc5, when running on 64-bit systems, does not clear certain padding bytes from a structure, which allows local users to obtain sensitive information from the kernel stack via the sigaltstack function. |