Date: Thu, 31 Dec 2015 02:09:43 +0900 From: Jihyeok Seo <limeburst@...ber.fsf.org> To: oss-security@...ts.openwall.com Subject: CVE Request: Squashfs 4.2 Race Condition A malformed Squashfs filesystem can cause a race condition in unsquashfs. Versions below 4.3 are affected. This is caused by the decompress thread attempting to access a shared queue, resulting in a SIGSEGV. struct cache_entry *entry = queue_get(to_deflate); I have attached a sample filesystem image illustrating this case. Download attachment "attachment" of type "application/octet-stream" (3042 bytes)
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