Note:
This project will be discontinued after December 13, 2021. [more]
2018-05-03
blktrace (aka Block IO Tracing) 1.2.0, as used with the Linux kernel and Android, has a buffer overflow in the dev_map_read function in btt/devmap.c because the device and devno arrays are too small, as demonstrated by an invalid free when using the btt program with a crafted file.
Products | Blktrace |
Type | Improper Restriction of Operations within the Bounds of a Memory Buffer (CWE-119) |
First patch | - None (likely due to unavailable code) |
Patches | https://git.kernel.org/pub/scm/linux/kernel/git/axboe/blktrace.git/commit/?id=d61ff409cb4dda31386373d706ea0cfb1aaac5b7 |
Links |
• https://www.spinics.net/lists/linux-btrace/msg00847.html
• https://access.redhat.com/errata/RHSA-2019:2162 • http://git.kernel.dk/?p=blktrace.git%3Ba=log%3Bh=d61ff409cb4dda31386373d706ea0cfb1aaac5b7 • https://security.gentoo.org/glsa/202107-15 • http://www.securityfocus.com/bid/104142 |