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CVE-2008-4934

The hfsplus_block_allocate function in fs/hfsplus/bitmap.c in the Linux kernel before 2.6.28-rc1...

7.8 HighFix available

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.

Exploit likelihood

3.29%Up 0.6 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 7.8

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.

Record
CVE-2008-4934
CVSS 2.0
7.8 HighAV:N/AC:L/Au:N/C:N/I:N/A:C
Weakness
CWE-20
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2008-4934
Updated
2026-11-02
EUVDEUVD-2008-4913 No score

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.

Record
EUVD-2008-4913
Updated
2026-11-03
GitHub AdvisoriesGHSA-5hf7-wh5w-w87p No score

The hfsplus_block_allocate function in fs/hfsplus/bitmap.c in the Linux kernel before 2.6.28-rc1...

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.

Record
GHSA-5hf7-wh5w-w87p
Weakness
CWE-20
Updated
2026-11-02
OSVBELL-CVE-2008-4934 7.8

CVE-2008-4934 does not affect BellSoft software

Record
BELL-CVE-2008-4934
CVSS 2.0
7.8 HighAV:N/AC:L/Au:N/C:N/I:N/A:C
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
linux-2.6.24
Debian:4.0
before 2.6.24-6~etchnhalf.7, plus listed versions
2.6.24-5~etchnhalf.12.6.24-6~etchnhalf.12.6.24-6~etchnhalf.22.6.24-6~etchnhalf.32.6.24-6~etchnhalf.42.6.24-6~etchnhalf.52.6.24-6~etchnhalf.6
2.6.24-6~etchnhalf.7
fai-kernels
Debian:4.0
before 1.17+etch.23etch1, plus listed versions
1.171.17+etch.13etch31.17+etch.13etch41.17+etch.13etch51.17+etch.13etch6
Show 20 moreShow less
1.17+etch.161.17+etch.171.17+etch.17etch11.17+etch.18etch11.17+etch.18etch21.17+etch.18etch31.17+etch.18etch41.17+etch.18etch51.17+etch.18etch61.17+etch.211.17+etch.22etch11.17+etch.22etch21.17+etch.22etch31.17+etch.231.17+etch11.17+etch21.17+etch31.17+etch41.17+etch51.17etch1
1.17+etch.23etch1
linux-2.6
Debian:4.0
before 2.6.18.dfsg.1-23etch1, plus listed versions
2.6.18.dfsg.1-122.6.18.dfsg.1-12etch12.6.18.dfsg.1-12etch22.6.18.dfsg.1-132.6.18.dfsg.1-13etch1
Show 25 moreShow less
2.6.18.dfsg.1-13etch22.6.18.dfsg.1-13etch32.6.18.dfsg.1-13etch42.6.18.dfsg.1-13etch52.6.18.dfsg.1-13etch62.6.18.dfsg.1-13lenny12.6.18.dfsg.1-142.6.18.dfsg.1-152.6.18.dfsg.1-162.6.18.dfsg.1-172.6.18.dfsg.1-17etch12.6.18.dfsg.1-182.6.18.dfsg.1-18etch12.6.18.dfsg.1-18etch32.6.18.dfsg.1-18etch42.6.18.dfsg.1-18etch52.6.18.dfsg.1-18etch62.6.18.dfsg.1-192.6.18.dfsg.1-202.6.18.dfsg.1-212.6.18.dfsg.1-222.6.18.dfsg.1-22etch12.6.18.dfsg.1-22etch22.6.18.dfsg.1-22etch32.6.18.dfsg.1-23
2.6.18.dfsg.1-23etch1
user-mode-linux
Debian:4.0
before 2.6.18-1um-2etch.23etch1, plus listed versions
2.6.18-1um-22.6.18-1um-2etch.13etch32.6.18-1um-2etch.13etch42.6.18-1um-2etch.13etch52.6.18-1um-2etch.13etch6
Show 18 moreShow less
2.6.18-1um-2etch.162.6.18-1um-2etch.172.6.18-1um-2etch.17etch12.6.18-1um-2etch.18etch12.6.18-1um-2etch.18etch22.6.18-1um-2etch.18etch32.6.18-1um-2etch.18etch42.6.18-1um-2etch.18etch52.6.18-1um-2etch.18etch62.6.18-1um-2etch.212.6.18-1um-2etch.22etch12.6.18-1um-2etch.22etch22.6.18-1um-2etch.22etch32.6.18-1um-2etch.232.6.18-1um-2etch12.6.18-1um-2etch22.6.18-1um-2etch32.6.18-1um-2etch4
2.6.18-1um-2etch.23etch1
kernel
Red Hat:enterprise_linux:4::as
before 0:2.6.9-78.0.13.EL
0:2.6.9-78.0.13.EL
kernel-debuginfo
Red Hat:enterprise_linux:4::as
before 0:2.6.9-78.0.13.EL
0:2.6.9-78.0.13.EL
kernel-devel
Red Hat:enterprise_linux:4::as
before 0:2.6.9-78.0.13.EL
0:2.6.9-78.0.13.EL
kernel-doc
Red Hat:enterprise_linux:4::as
before 0:2.6.9-78.0.13.EL
0:2.6.9-78.0.13.EL
kernel-hugemem
Red Hat:enterprise_linux:4::as
before 0:2.6.9-78.0.13.EL
0:2.6.9-78.0.13.EL
kernel-hugemem-devel
Red Hat:enterprise_linux:4::as
before 0:2.6.9-78.0.13.EL
0:2.6.9-78.0.13.EL
Show 75 moreShow less
Affected packages
PackageAffectedFixed
kernel-largesmp
Red Hat:enterprise_linux:4::as
before 0:2.6.9-78.0.13.EL
0:2.6.9-78.0.13.EL
kernel-largesmp-devel
Red Hat:enterprise_linux:4::as
before 0:2.6.9-78.0.13.EL
0:2.6.9-78.0.13.EL
kernel-smp
Red Hat:enterprise_linux:4::as
before 0:2.6.9-78.0.13.EL
0:2.6.9-78.0.13.EL
kernel-smp-devel
Red Hat:enterprise_linux:4::as
before 0:2.6.9-78.0.13.EL
0:2.6.9-78.0.13.EL
kernel-xenU
Red Hat:enterprise_linux:4::as
before 0:2.6.9-78.0.13.EL
0:2.6.9-78.0.13.EL
kernel-xenU-devel
Red Hat:enterprise_linux:4::as
before 0:2.6.9-78.0.13.EL
0:2.6.9-78.0.13.EL
kernel
Red Hat:enterprise_linux:4::desktop
before 0:2.6.9-78.0.13.EL
0:2.6.9-78.0.13.EL
kernel-debuginfo
Red Hat:enterprise_linux:4::desktop
before 0:2.6.9-78.0.13.EL
0:2.6.9-78.0.13.EL
kernel-devel
Red Hat:enterprise_linux:4::desktop
before 0:2.6.9-78.0.13.EL
0:2.6.9-78.0.13.EL
kernel-doc
Red Hat:enterprise_linux:4::desktop
before 0:2.6.9-78.0.13.EL
0:2.6.9-78.0.13.EL
kernel-hugemem
Red Hat:enterprise_linux:4::desktop
before 0:2.6.9-78.0.13.EL
0:2.6.9-78.0.13.EL
kernel-hugemem-devel
Red Hat:enterprise_linux:4::desktop
before 0:2.6.9-78.0.13.EL
0:2.6.9-78.0.13.EL
kernel-largesmp
Red Hat:enterprise_linux:4::desktop
before 0:2.6.9-78.0.13.EL
0:2.6.9-78.0.13.EL
kernel-largesmp-devel
Red Hat:enterprise_linux:4::desktop
before 0:2.6.9-78.0.13.EL
0:2.6.9-78.0.13.EL
kernel-smp
Red Hat:enterprise_linux:4::desktop
before 0:2.6.9-78.0.13.EL
0:2.6.9-78.0.13.EL
kernel-smp-devel
Red Hat:enterprise_linux:4::desktop
before 0:2.6.9-78.0.13.EL
0:2.6.9-78.0.13.EL
kernel-xenU
Red Hat:enterprise_linux:4::desktop
before 0:2.6.9-78.0.13.EL
0:2.6.9-78.0.13.EL
kernel-xenU-devel
Red Hat:enterprise_linux:4::desktop
before 0:2.6.9-78.0.13.EL
0:2.6.9-78.0.13.EL
kernel
Red Hat:enterprise_linux:4::es
before 0:2.6.9-78.0.13.EL
0:2.6.9-78.0.13.EL
kernel-debuginfo
Red Hat:enterprise_linux:4::es
before 0:2.6.9-78.0.13.EL
0:2.6.9-78.0.13.EL
kernel-devel
Red Hat:enterprise_linux:4::es
before 0:2.6.9-78.0.13.EL
0:2.6.9-78.0.13.EL
kernel-doc
Red Hat:enterprise_linux:4::es
before 0:2.6.9-78.0.13.EL
0:2.6.9-78.0.13.EL
kernel-hugemem
Red Hat:enterprise_linux:4::es
before 0:2.6.9-78.0.13.EL
0:2.6.9-78.0.13.EL
kernel-hugemem-devel
Red Hat:enterprise_linux:4::es
before 0:2.6.9-78.0.13.EL
0:2.6.9-78.0.13.EL
kernel-largesmp
Red Hat:enterprise_linux:4::es
before 0:2.6.9-78.0.13.EL
0:2.6.9-78.0.13.EL
kernel-largesmp-devel
Red Hat:enterprise_linux:4::es
before 0:2.6.9-78.0.13.EL
0:2.6.9-78.0.13.EL
kernel-smp
Red Hat:enterprise_linux:4::es
before 0:2.6.9-78.0.13.EL
0:2.6.9-78.0.13.EL
kernel-smp-devel
Red Hat:enterprise_linux:4::es
before 0:2.6.9-78.0.13.EL
0:2.6.9-78.0.13.EL
kernel-xenU
Red Hat:enterprise_linux:4::es
before 0:2.6.9-78.0.13.EL
0:2.6.9-78.0.13.EL
kernel-xenU-devel
Red Hat:enterprise_linux:4::es
before 0:2.6.9-78.0.13.EL
0:2.6.9-78.0.13.EL
kernel
Red Hat:enterprise_linux:4::ws
before 0:2.6.9-78.0.13.EL
0:2.6.9-78.0.13.EL
kernel-debuginfo
Red Hat:enterprise_linux:4::ws
before 0:2.6.9-78.0.13.EL
0:2.6.9-78.0.13.EL
kernel-devel
Red Hat:enterprise_linux:4::ws
before 0:2.6.9-78.0.13.EL
0:2.6.9-78.0.13.EL
kernel-doc
Red Hat:enterprise_linux:4::ws
before 0:2.6.9-78.0.13.EL
0:2.6.9-78.0.13.EL
kernel-hugemem
Red Hat:enterprise_linux:4::ws
before 0:2.6.9-78.0.13.EL
0:2.6.9-78.0.13.EL
kernel-hugemem-devel
Red Hat:enterprise_linux:4::ws
before 0:2.6.9-78.0.13.EL
0:2.6.9-78.0.13.EL
kernel-largesmp
Red Hat:enterprise_linux:4::ws
before 0:2.6.9-78.0.13.EL
0:2.6.9-78.0.13.EL
kernel-largesmp-devel
Red Hat:enterprise_linux:4::ws
before 0:2.6.9-78.0.13.EL
0:2.6.9-78.0.13.EL
kernel-smp
Red Hat:enterprise_linux:4::ws
before 0:2.6.9-78.0.13.EL
0:2.6.9-78.0.13.EL
kernel-smp-devel
Red Hat:enterprise_linux:4::ws
before 0:2.6.9-78.0.13.EL
0:2.6.9-78.0.13.EL
kernel-xenU
Red Hat:enterprise_linux:4::ws
before 0:2.6.9-78.0.13.EL
0:2.6.9-78.0.13.EL
kernel-xenU-devel
Red Hat:enterprise_linux:4::ws
before 0:2.6.9-78.0.13.EL
0:2.6.9-78.0.13.EL
kernel
Red Hat:enterprise_linux:5::client
before 0:2.6.18-128.1.1.el5
0:2.6.18-128.1.1.el5
kernel-PAE
Red Hat:enterprise_linux:5::client
before 0:2.6.18-128.1.1.el5
0:2.6.18-128.1.1.el5
kernel-PAE-debuginfo
Red Hat:enterprise_linux:5::client
before 0:2.6.18-128.1.1.el5
0:2.6.18-128.1.1.el5
kernel-PAE-devel
Red Hat:enterprise_linux:5::client
before 0:2.6.18-128.1.1.el5
0:2.6.18-128.1.1.el5
kernel-debug
Red Hat:enterprise_linux:5::client
before 0:2.6.18-128.1.1.el5
0:2.6.18-128.1.1.el5
kernel-debug-debuginfo
Red Hat:enterprise_linux:5::client
before 0:2.6.18-128.1.1.el5
0:2.6.18-128.1.1.el5
kernel-debug-devel
Red Hat:enterprise_linux:5::client
before 0:2.6.18-128.1.1.el5
0:2.6.18-128.1.1.el5
kernel-debuginfo
Red Hat:enterprise_linux:5::client
before 0:2.6.18-128.1.1.el5
0:2.6.18-128.1.1.el5
kernel-debuginfo-common
Red Hat:enterprise_linux:5::client
before 0:2.6.18-128.1.1.el5
0:2.6.18-128.1.1.el5
kernel-devel
Red Hat:enterprise_linux:5::client
before 0:2.6.18-128.1.1.el5
0:2.6.18-128.1.1.el5
kernel-doc
Red Hat:enterprise_linux:5::client
before 0:2.6.18-128.1.1.el5
0:2.6.18-128.1.1.el5
kernel-headers
Red Hat:enterprise_linux:5::client
before 0:2.6.18-128.1.1.el5
0:2.6.18-128.1.1.el5
kernel-xen
Red Hat:enterprise_linux:5::client
before 0:2.6.18-128.1.1.el5
0:2.6.18-128.1.1.el5
kernel-xen-debuginfo
Red Hat:enterprise_linux:5::client
before 0:2.6.18-128.1.1.el5
0:2.6.18-128.1.1.el5
kernel-xen-devel
Red Hat:enterprise_linux:5::client
before 0:2.6.18-128.1.1.el5
0:2.6.18-128.1.1.el5
kernel
Red Hat:enterprise_linux:5::server
before 0:2.6.18-128.1.1.el5
0:2.6.18-128.1.1.el5
kernel-PAE
Red Hat:enterprise_linux:5::server
before 0:2.6.18-128.1.1.el5
0:2.6.18-128.1.1.el5
kernel-PAE-debuginfo
Red Hat:enterprise_linux:5::server
before 0:2.6.18-128.1.1.el5
0:2.6.18-128.1.1.el5
kernel-PAE-devel
Red Hat:enterprise_linux:5::server
before 0:2.6.18-128.1.1.el5
0:2.6.18-128.1.1.el5
kernel-debug
Red Hat:enterprise_linux:5::server
before 0:2.6.18-128.1.1.el5
0:2.6.18-128.1.1.el5
kernel-debug-debuginfo
Red Hat:enterprise_linux:5::server
before 0:2.6.18-128.1.1.el5
0:2.6.18-128.1.1.el5
kernel-debug-devel
Red Hat:enterprise_linux:5::server
before 0:2.6.18-128.1.1.el5
0:2.6.18-128.1.1.el5
kernel-debuginfo
Red Hat:enterprise_linux:5::server
before 0:2.6.18-128.1.1.el5
0:2.6.18-128.1.1.el5
kernel-debuginfo-common
Red Hat:enterprise_linux:5::server
before 0:2.6.18-128.1.1.el5
0:2.6.18-128.1.1.el5
kernel-devel
Red Hat:enterprise_linux:5::server
before 0:2.6.18-128.1.1.el5
0:2.6.18-128.1.1.el5
kernel-doc
Red Hat:enterprise_linux:5::server
before 0:2.6.18-128.1.1.el5
0:2.6.18-128.1.1.el5
kernel-headers
Red Hat:enterprise_linux:5::server
before 0:2.6.18-128.1.1.el5
0:2.6.18-128.1.1.el5
kernel-kdump
Red Hat:enterprise_linux:5::server
before 0:2.6.18-128.1.1.el5
0:2.6.18-128.1.1.el5
kernel-kdump-debuginfo
Red Hat:enterprise_linux:5::server
before 0:2.6.18-128.1.1.el5
0:2.6.18-128.1.1.el5
kernel-kdump-devel
Red Hat:enterprise_linux:5::server
before 0:2.6.18-128.1.1.el5
0:2.6.18-128.1.1.el5
kernel-xen
Red Hat:enterprise_linux:5::server
before 0:2.6.18-128.1.1.el5
0:2.6.18-128.1.1.el5
kernel-xen-debuginfo
Red Hat:enterprise_linux:5::server
before 0:2.6.18-128.1.1.el5
0:2.6.18-128.1.1.el5
kernel-xen-devel
Red Hat:enterprise_linux:5::server
before 0:2.6.18-128.1.1.el5
0:2.6.18-128.1.1.el5

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2008-4934 is a high vulnerability (CVSS 7.8) in Debian Linux, published November 5, 2008. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.29%, the 88th percentile. Fixed in linux-2.6.24 2.6.24-6~etchnhalf.7.

References

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