What is CVE-2008-4934?

CVE-2008-4934 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10, classified as a Improper Input Validation flaw (CWE-20). CVE-2008-4934 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2008-4934?

CVE-2008-4934 has a CVSS score of 7.8 out of 10, rated High severity. The vector string is AV:N/AC:L/Au:N/C:N/I:N/A:C.

Is there a patch available for CVE-2008-4934?

No patch is currently available for CVE-2008-4934. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2008-4934 actively exploited?

CVE-2008-4934 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2008-4934

High

The hfsplus_block_allocate function in fs/hfsplus/bitmap.c in the Linux kernel before 2.6.28-rc1 does not check a certain return value from the read_mapping_page function before calling kmap, which allows attackers to cause a denial of service (system crash) via a crafted hfsplus filesystem image.

Package Linux Kernel

Published 2008-11-05

Last modified 2026-04-23

CVSS version 2.0

Patch available

Awaiting data

CVSS 2.0 score

7.8

out of 10

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

User Interaction

Scope

Confidentiality

Low

Integrity

None

Availability

Vector string

AV:N/AC:L/Au:N/C:N/I:N/A:C

Weakness type

CWE-20

CVE-2008-4934 is a Improper Input Validation vulnerability

What is Improper Input Validation?

The product receives input but does not validate it correctly, allowing attackers to craft inputs that cause unexpected behavior. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2008-4934 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel.org
http://kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.28-rc1

Vendor Advisory
Red Hat
http://rhn.redhat.com/errata/RHSA-2009-0264.html

Third Party Advisory
Secunia
http://secunia.com/advisories/32510

Third Party Advisory
Secunia
http://secunia.com/advisories/32918

Third Party Advisory
Secunia
http://secunia.com/advisories/32998

Third Party Advisory
Secunia
http://secunia.com/advisories/33180

Third Party Advisory
Secunia
http://secunia.com/advisories/33556

Third Party Advisory
Secunia
http://secunia.com/advisories/33858

Third Party Advisory
Debian Security
http://www.debian.org/security/2008/dsa-1681

Third Party Advisory
Debian Security
http://www.debian.org/security/2008/dsa-1687

Third Party Advisory
Mandriva
http://www.mandriva.com/security/advisories?name=MDVSA-2008:234

Third Party Advisory
Openwall
http://www.openwall.com/lists/oss-security/2008/11/03/2

Mailing List Third Party Advisory
Ubuntu Security
http://www.ubuntu.com/usn/usn-679-1

Third Party Advisory
Exchange
https://exchange.xforce.ibmcloud.com/vulnerabilities/46327

Third Party Advisory VDB Entry
Oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11635

Third Party Advisory
Kernel patch commit
http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.27.y.git%3Ba=commit%3Bh=649f1ee6c705aab644035a7998d7b574193a598a
Patch
Kernel patch commit
http://www.redhat.com/support/errata/RHSA-2009-0014.html
Patch
Kernel patch commit
http://www.securityfocus.com/bid/32096
Patch

Details

CVE ID CVE-2008-4934

Severity High

CVSS score 7.8 / 10

CVSS version 2.0

Published 2008-11-05

Modified 2026-04-23

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2008-4934?

CVE-2008-4934 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 , classified as an Improper Input Validation flaw (CWE-20) . CVE-2008-4934 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2008-4934?

CVE-2008-4934 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 2.0). The vector string is AV:N/AC:L/Au:N/C:N/I:N/A:C.
Is there a patch available for CVE-2008-4934?

No patch is currently available for CVE-2008-4934. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2008-4934 actively exploited?

No — CVE-2008-4934 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Improper Input Validation (CWE-20)?

The product receives input but does not validate it correctly, allowing attackers to craft inputs that cause unexpected behavior. View CWE-20 on MITRE CWE →