Date: Wed, 17 Mar 2021 11:21:23 +0530 From: Rohit Keshri <rkeshri@...hat.com> To: oss-security@...ts.openwall.com Subject: CVE-2021-3428 Linux kernel: integer overflow in ext4_es_cache_extent Hello Team, A flaw was found in the Linux kernel. A denial of service problem is identified if an extent tree is corrupted in a crafted ext4 filesystem in fs/ext4/extents.c in ext4_es_cache_extent. Fabricating an integer overflow, A local attacker with a special user privilege may cause a system crash problem which can lead to an availability threat. 'CVE-2021-3428' was assigned by Red Hat. References: https://bugzilla.suse.com/show_bug.cgi?id=1173485 Regards, .. Rohit Keshri / Red Hat Product Security Team PGP: OX01BC 858A 07B7 15C8 EF33 BFE2 2EEB 0CBC 84A4 4C2D secalert@...hat.com for urgent response
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