CVE-2009-4308MediumConfirmedExploit available
DEB
DEB
Debian Security Advisories (DSA)
DSAs are published by the Debian Security Team for issues affecting the stable distribution. The downstream tracker (security-tracker.debian.org) additionally maps every CVE to its package-level status across all supported suites.
Region
Intl.
Updates
1 ч
License
Public Domain
Advisories covering the Debian stable and oldstable releases. Ship notes include the exact .deb version that remediates each issue.
https://www.debian.org/security/ →Share link
Anyone with the link can open this vulnerability.
The ext4_decode_error function in fs/ext4/super.c in the ext4 filesystem in the Linux kernel before 2.6.32 allows user-assisted remote atta…
CVSS
6.2
Medium
EPSS
0.04
p88
Published
2009-01-01
Updated
2009-01-01
Description
The ext4_decode_error function in fs/ext4/super.c in the ext4 filesystem in the Linux kernel before 2.6.32 allows user-assisted remote attackers to cause a denial of service (NULL pointer dereference), and possibly have unspecified other impact, via a crafted read-only filesystem that lacks a journal.
Tags · CWE
CWE-399
CWE-399CategoryDraft
Resource Management Errors
Weaknesses in this category are related to improper management of system resources.
https://cwe.mitre.org/data/definitions/399.html →Open in CWE collection →CWE-476
CWE-476BaseStable
NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.
https://cwe.mitre.org/data/definitions/476.html →Open in CWE collection →Affected products
Linux_kernel ≤ 2.6.31Linux_kernel
CVSS vector
AV:L/AC:H/Au:N/C:C/I:C/A:C
Timeline
2009-01-01
Published
2009-01-01
Updated
CVSS 3.1 breakdown
Attack Vector
AV: L
Local (L)
Attack Complexity
AC: H
High (H)
Authentication
Au: N
None (N)
Confidentiality Impact
C: C
Complete
Integrity Impact
I: C
Complete
Availability Impact
A: C
Complete
Exploit indicators
EPSS
0.039 · p88
Known exploited (KEV)
No
Known exploits — Сканер-ВС
15024
exploitdb · https://www.exploit-db.com/exploits/15024
15150
exploitdb · https://www.exploit-db.com/exploits/15150
15622
exploitdb · https://www.exploit-db.com/exploits/15622
17787
exploitdb · https://www.exploit-db.com/exploits/17787
34987
exploitdb · https://www.exploit-db.com/exploits/34987
Affected software
| Product | Vendor | Status |
|---|---|---|
| kernel | Tracked | |
| linux | Tracked | |
| linux-2.6 | Tracked | |
| linux-2.6 | Tracked | |
| linux-2.6 | Tracked | |
| linux-2.6.24 | Tracked | |
| linux_kernel | * | Tracked |
Source databases
DEB
DEB
Debian Security Advisories (DSA)
DSAs are published by the Debian Security Team for issues affecting the stable distribution. The downstream tracker (security-tracker.debian.org) additionally maps every CVE to its package-level status across all supported suites.
Region
Intl.
Updates
1 ч
License
Public Domain
Advisories covering the Debian stable and oldstable releases. Ship notes include the exact .deb version that remediates each issue.
https://www.debian.org/security/ →CVE
CVE
National Vulnerability Database
NVD is the U.S. government repository of standards-based vulnerability management data, built on top of the MITRE CVE list. Every record includes CPE applicability statements, CVSS v2 and v3.x base scores, CWE mappings and cross-references to advisories.
Region
US
Updates
15 min
License
Public Domain
Comprehensive catalog of publicly disclosed vulnerabilities with CPE matches, CVSS scoring and reference URLs. De-facto standard for cross-vendor correlation.
https://nvd.nist.gov →RED
RED
Red Hat Security Advisories (RHSA)
Red Hat advisories are authoritative for RHEL-family systems: each record lists the exact package NEVRA fixed, the affected streams, and a Red Hat-assigned severity that may differ from NVD's. Many downstream projects (CentOS Stream, Rocky, Alma) follow these IDs.
Region
US
Updates
1 ч
License
CC BY-SA 4.0
Advisories for Red Hat Enterprise Linux, OpenShift, Ansible and other Red Hat products. Includes detailed backport tracking — critical for long-term-support distributions.
https://access.redhat.com/security/security-updates/ →UBU
UBU
Ubuntu Security Notices (USN)
USNs are authoritative for Ubuntu systems. The CVE Tracker links each vulnerability to its per-release status (needed, released, not-affected) and to the exact Launchpad bug where the fix is integrated.
Region
Intl.
Updates
1 ч
License
CC BY-SA 3.0
Security notices for Ubuntu LTS and interim releases, covering main, universe and (via Pro) ESM-extended packages.
https://ubuntu.com/security/notices →Related vulnerabilities