Vulnerability CVE-2018-13099
Published: 2018-07-03

Description:
An issue was discovered in fs/f2fs/inline.c in the Linux kernel through 4.17.3. A denial of service (out-of-bounds memory access and BUG) can occur for a modified f2fs filesystem image in which an inline inode contains an invalid reserved blkaddr.

Type:

CWE-125

 (Out-of-bounds Read)

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Linux -> Linux kernel 
Debian -> Debian linux 

 References:
http://www.securityfocus.com/bid/104680
https://bugzilla.kernel.org/show_bug.cgi?id=200179
https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git/commit/?h=f2fs-dev&id=cc60e90f9bfab8d6a7fb826937e824333c3bf94a
https://lists.debian.org/debian-lts-announce/2018/10/msg00003.html
https://sourceforge.net/p/linux-f2fs/mailman/message/36356878/
https://usn.ubuntu.com/3932-1/
https://usn.ubuntu.com/3932-2/
https://www.debian.org/security/2018/dsa-4308
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