CVE-2018-10879

kernel: use-after-free detected in ext4_xattr_set_entry with a crafted file

Severity Score

7.8

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A flaw was found in the Linux kernel's ext4 filesystem. A local user can cause a use-after-free in ext4_xattr_set_entry function and a denial of service or unspecified other impact may occur by renaming a file in a crafted ext4 filesystem image.

Se ha detectado una vulnerabilidad en el sistema de archivos ext4 del kernel de Linux. Un usuario local puede provocar un uso de memoria previamente liberada en la función ext4_xattr_set_entry y puede ocurrir una denegación de servicio (DoS) u otro impacto no especificado renombrando una imagen del sistema de archivos ext4 manipulado.

*Credits: N/A

CVSS Scores

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Physical

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2018-05-09 CVE Reserved
2018-07-26 CVE Published
2023-03-08 EPSS Updated
2024-08-05 CVE Updated
2024-08-05 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-416: Use After Free

CAPEC

References (19)

URL	Tag	Source
http://www.securityfocus.com/bid/104902	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/07/msg00020.html	Mailing List

URL	Date	SRC
https://bugzilla.kernel.org/show_bug.cgi?id=200001	2024-08-05

URL	Date	SRC
http://patchwork.ozlabs.org/patch/928666	2023-02-13
http://patchwork.ozlabs.org/patch/928667	2023-02-13
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10879	2023-02-13
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=513f86d73855ce556ea9522b6bfd79f87356dc3a	2023-02-13
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5369a762c882c0b6e9599e4ebbb3a9ba9eee7e2d	2023-02-13

URL	Date	SRC
https://access.redhat.com/errata/RHSA-2018:2948	2023-02-13
https://access.redhat.com/errata/RHSA-2018:3083	2023-02-13
https://access.redhat.com/errata/RHSA-2018:3096	2023-02-13
https://usn.ubuntu.com/3753-1	2023-02-13
https://usn.ubuntu.com/3753-2	2023-02-13
https://usn.ubuntu.com/3871-1	2023-02-13
https://usn.ubuntu.com/3871-3	2023-02-13
https://usn.ubuntu.com/3871-4	2023-02-13
https://usn.ubuntu.com/3871-5	2023-02-13
https://access.redhat.com/security/cve/CVE-2018-10879	2018-10-30
https://bugzilla.redhat.com/show_bug.cgi?id=1596806	2018-10-30

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				14.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "14.04"		lts		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				16.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "16.04"		lts		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				18.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "18.04"		lts		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 4.17.6 Search vendor "Linux" for product "Linux Kernel" and version " < 4.17.6"		-		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
Redhat Search vendor "Redhat"		Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"				7.0 Search vendor "Redhat" for product "Enterprise Linux" and version "7.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Desktop Search vendor "Redhat" for product "Enterprise Linux Desktop"				7.0 Search vendor "Redhat" for product "Enterprise Linux Desktop" and version "7.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Search vendor "Redhat" for product "Enterprise Linux Server"				7.0 Search vendor "Redhat" for product "Enterprise Linux Server" and version "7.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Workstation Search vendor "Redhat" for product "Enterprise Linux Workstation"				7.0 Search vendor "Redhat" for product "Enterprise Linux Workstation" and version "7.0"		-		Affected