CVE-2015-7509

kernel: Mounting ext2 fs e2fsprogs/tests/f_orphan as ext4 crashes system

Severity Score

4.4

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

fs/ext4/namei.c in the Linux kernel before 3.7 allows physically proximate attackers to cause a denial of service (system crash) via a crafted no-journal filesystem, a related issue to CVE-2013-2015.

fs/ext4/namei.c en el kernel Linux en versiones anteriores a 3.7 permite a atacantes físicamente próximos provocar una denegación de servicio (caída del sistema) a través de un archivo de sistema no-journal manipulado, un problema relacionado con CVE-2013-2015.

A flaw was found in the way the Linux kernel's ext4 file system driver handled non-journal file systems with an orphan list. An attacker with physical access to the system could use this flaw to crash the system or, although unlikely, escalate their privileges on the system.

*Credits: N/A

CVSS Scores

Attack Vector

Local

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Complete

Attack Vector

Local

Attack Complexity

High

Authentication

Single

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2015-09-29 CVE Reserved
2015-12-28 CVE Published
2023-03-08 EPSS Updated
2024-08-06 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-20: Improper Input Validation
CWE-250: Execution with Unnecessary Privileges

CAPEC

References (11)

URL	Tag	Source
http://www.securitytracker.com/id/1034559	Vdb Entry
https://bugzilla.suse.com/show_bug.cgi?id=956709	X_refsource_confirm
https://security-tracker.debian.org/tracker/CVE-2015-7509	X_refsource_confirm

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c9b92530a723ac5ef8e352885a1862b18f31b2f5	2023-02-13
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00026.html	2023-02-13
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00031.html	2023-02-13
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html	2023-02-13
http://rhn.redhat.com/errata/RHSA-2016-0855.html	2023-02-13
https://bugzilla.redhat.com/show_bug.cgi?id=1259222	2016-05-10
https://github.com/torvalds/linux/commit/c9b92530a723ac5ef8e352885a1862b18f31b2f5	2023-02-13
https://access.redhat.com/security/cve/CVE-2015-7509	2016-05-10

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"				<= 3.6.11 Search vendor "Linux" for product "Linux Kernel" and version " <= 3.6.11"		-		Affected