CVE-2018-14609

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 an invalid pointer dereference in __del_reloc_root() in fs/btrfs/relocation.c when mounting a crafted btrfs image, related to removing reloc rb_trees when reloc control has not been initialized.

References

WEBhttp://www.securityfocus.com/bid/104917 WEBhttps://bugzilla.kernel.org/show_bug.cgi?id=199833 WEBhttps://lists.debian.org/debian-lts-announce/2018/10/msg00003.html WEBhttps://patchwork.kernel.org/patch/10500521/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-2018-14609 ADVISORYhttps://www.debian.org/security/2018/dsa-4308

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