Published: 03/07/2018 Updated: 03/04/2019

CVSS v2 Base Score: 4.3 | Impact Score: 2.9 | Exploitability Score: 8.6

CVSS v3 Base Score: 5.5 | Impact Score: 3.6 | Exploitability Score: 1.8

VMScore: 383

Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P

An issue exists in fs/f2fs/super.c in the Linux kernel up to and including 4.17.3. There is an out-of-bounds read or a divide-by-zero error for an incorrect user_block_count in a corrupted f2fs image, leading to a denial of service (BUG).

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Several security issues were fixed in the Linux kernel ...

A flaw was discovered in the F2FS filesystem code in fs/f2fs/superc in the Linux kernel An out-of-bounds read or a divide-by-zero error for an incorrect user_block_count in a corrupted f2fs image can lead to a denial of service ...

CWE-125 CWE-369 https://bugzilla.kernel.org/show_bug.cgi?id=200171 https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html https://usn.ubuntu.com/3932-2/https://usn.ubuntu.com/3932-1/https://usn.ubuntu.com/4094-1/https://usn.ubuntu.com/4118-1/https://seclists.org/bugtraq/2019/Jan/52 http://lists.opensuse.org/opensuse-security-announce/2018-10/msg00033.html https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9dc956b2c8523aed39d1e6508438be9fea28c8fc http://packetstormsecurity.com/files/151420/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html https://nvd.nist.gov https://usn.ubuntu.com/4094-1/

CVE-2018-13097

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