CVE-2018-14617

MEDIUM5.5

An issue was discovered in the Linux kernel through 4

Published Jul 27, 2018

Modified 1 years ago

Details

An issue was discovered in the Linux kernel through 4.17.10. There is a NULL pointer dereference and panic in hfsplus_lookup() in fs/hfsplus/dir.c when opening a file (that is purportedly a hard link) in an hfs+ filesystem that has malformed catalog data, and is mounted read-only without a metadata directory.

References

WEBhttp://www.securityfocus.com/bid/104917 WEBhttps://bugzilla.kernel.org/show_bug.cgi?id=200297 WEBhttps://lists.debian.org/debian-lts-announce/2018/10/msg00003.html ADVISORYhttps://usn.ubuntu.com/3821-1/ADVISORYhttps://usn.ubuntu.com/3821-2/ADVISORYhttps://usn.ubuntu.com/4094-1/ADVISORYhttps://usn.ubuntu.com/4118-1/ADVISORYhttps://www.cve.org/CVERecord?id=CVE-2018-14617 ADVISORYhttps://www.debian.org/security/2018/dsa-4308 WEBhttps://www.spinics.net/lists/linux-fsdevel/msg130021.html

CVSS Analysis

CVSS v3.0

5.5

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

RequiredUI:R

Scope

UnchangedS:U

Impact

Confidentiality

NoneC:N

Integrity

NoneI:N

Availability

HighA:H

5.5/CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Ecosystems

Timeline

PublishedJul 27, 2018

ModifiedAug 5, 2024