CVE-2018-14611

Severity Score

5.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

An issue was discovered in the Linux kernel through 4.17.10. There is a use-after-free in try_merge_free_space() when mounting a crafted btrfs image, because of a lack of chunk type flag checks in btrfs_check_chunk_valid in fs/btrfs/volumes.c.

Se ha descubierto un problema en el kernel de Linux hasta la versión 4.17.10. Existe un uso de memoria previamente liberada en try_merge_free_space() cuando se monta una imagen btrfs manipulada debido a una falta de verificaciones de flags de tipos de chunks en btrfs_check_chunk_valid en fs/btrfs/volumes.c.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

None

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2018-07-26 CVE Reserved
2018-07-27 CVE Published
2024-08-05 CVE Updated
2024-08-05 First Exploit
2024-12-17 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-416: Use After Free

CAPEC

References (10)

URL	Tag	Source
http://www.securityfocus.com/bid/104917	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html	Mailing List
https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html	Mailing List
https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html	Mailing List

URL	Date	SRC
https://bugzilla.kernel.org/show_bug.cgi?id=199839	2024-08-05

URL	Date	SRC
https://patchwork.kernel.org/patch/10503099	2020-06-10

URL	Date	SRC
https://usn.ubuntu.com/3932-1	2020-06-10
https://usn.ubuntu.com/3932-2	2020-06-10
https://usn.ubuntu.com/4094-1	2020-06-10
https://usn.ubuntu.com/4118-1	2020-06-10

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				<= 4.17.10 Search vendor "Linux" for product "Linux Kernel" and version " <= 4.17.10"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				8.0 Search vendor "Debian" for product "Debian Linux" and version "8.0"		-		Affected