oss-sec mailing list archives
CVE request - kernel: integer overflow in ext4_ext_get_blocks()
From: Eugene Teo <eugeneteo () kernel sg>
Date: Mon, 16 Aug 2010 10:24:18 +0800
This was reported by a customer. Integer overflow flaws were found in ext4_ext_in_cache() and ext4_ext_get_blocks(). We managed to triggered the case in ext4_ext_get_blocks() but did not attempt to try the other. This can trigger a BUG() on certain configuration of ext4 file systems.
Upstream commit: http://git.kernel.org/linus/731eb1a03a8445cde2cb23ecfb3580c6fa7bb690 https://bugzilla.redhat.com/show_bug.cgi?id=624327 Thanks, Eugene -- main(i) { putchar(182623909 >> (i-1) * 5&31|!!(i<7)<<6) && main(++i); }
Current thread:
- CVE request - kernel: integer overflow in ext4_ext_get_blocks() Eugene Teo (Aug 15)
- Re: CVE request - kernel: integer overflow in ext4_ext_get_blocks() Steven M. Christey (Aug 16)
- Re: CVE request - kernel: integer overflow in ext4_ext_get_blocks() Eugene Teo (Aug 16)
- Re: CVE request - kernel: integer overflow in ext4_ext_get_blocks() Steven M. Christey (Aug 16)