kernel: integer overflow in ext4_ext_get_blocks()
Published Aug 20, 2010
4.7
MEDIUMCVSS 2.0
EPSS 0.38%
Description
Integer overflow in the ext4_ext_get_blocks function in fs/ext4/extents.c in the Linux kernel before 2.6.34 allows local users to cause a denial of service (BUG and system crash) via a write operation on the last block of a large file, followed by a sync operation.
Affected products
No data.
- ≤ 2.6.33.7
- 2.6.0
- 2.6.1
- 2.6.2
- 2.6.3
- 2.6.4
- 2.6.5
- 2.6.6
- 2.6.7
- 2.6.8
- 2.6.8.1
- 2.6.9
- 2.6.10
- 2.6.11
- 2.6.11.1
- 2.6.11.2
- 2.6.11.3
- 2.6.11.4
- 2.6.11.5
- 2.6.11.6
- 2.6.11.7
- 2.6.11.8
- 2.6.11.9
- 2.6.11.10
- 2.6.11.11
- 2.6.11.12
- 2.6.12
- 2.6.12.1
- 2.6.12.2
- 2.6.12.3
- 2.6.12.4
- 2.6.12.5
- 2.6.12.6
- 2.6.13
- 2.6.13.1
- 2.6.13.2
- 2.6.13.3
- 2.6.13.4
- 2.6.13.5
- 2.6.14
- 2.6.14.1
- 2.6.14.2
- 2.6.14.3
- 2.6.14.4
- 2.6.14.5
- 2.6.14.6
- 2.6.14.7
- 2.6.15
- 2.6.15.1
- 2.6.15.2
- 2.6.15.3
- 2.6.15.4
- 2.6.15.5
- 2.6.15.6
- 2.6.15.7
- 2.6.16
- 2.6.16.1
- 2.6.16.2
- 2.6.16.3
- 2.6.16.4
- 2.6.16.5
- 2.6.16.6
- 2.6.16.7
- 2.6.16.8
- 2.6.16.9
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- 2.6.16.11
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- 2.6.16.13
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- 2.6.16.15
- 2.6.16.16
- 2.6.16.17
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- 2.6.16.19
- 2.6.16.20
- 2.6.16.21
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- 2.6.16.23
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- 2.6.16.25
- 2.6.16.26
- 2.6.16.27
- 2.6.16.28
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- 2.6.16.31
- 2.6.16.31
- 2.6.16.31
- 2.6.16.31
- 2.6.16.31
- 2.6.16.31
- 2.6.16.32
- 2.6.16.33
- 2.6.16.34
- 2.6.16.35
- 2.6.16.36
- 2.6.16.37
- 2.6.16.38
- 2.6.16.39
- 2.6.16.40
- 2.6.16.41
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- 2.6.16.43
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- 2.6.16.47
- 2.6.16.48
- 2.6.16.49
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- 2.6.16.51
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- 2.6.16.53
- 2.6.16.54
- 2.6.16.55
- 2.6.16.56
- 2.6.16.57
- 2.6.16.58
- 2.6.16.59
- 2.6.16.60
- 2.6.16.61
- 2.6.16.62
- 2.6.17
- 2.6.17.1
- 2.6.17.2
- 2.6.17.3
- 2.6.17.4
- 2.6.17.5
- 2.6.17.6
- 2.6.17.7
- 2.6.17.8
- 2.6.17.9
- 2.6.17.10
- 2.6.17.11
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- 2.6.17.13
- 2.6.17.14
- 2.6.18
- 2.6.18
- 2.6.18
- 2.6.18
- 2.6.18
- 2.6.18
- 2.6.18
- 2.6.18
- 2.6.18.1
- 2.6.18.2
- 2.6.18.3
- 2.6.18.4
- 2.6.18.5
- 2.6.18.6
- 2.6.18.7
- 2.6.18.8
- 2.6.19
- 2.6.19.1
- 2.6.19.2
- 2.6.19.3
- 2.6.19.4
- 2.6.19.5
- 2.6.19.6
- 2.6.19.7
- 2.6.20
- 2.6.20.1
- 2.6.20.2
- 2.6.20.3
- 2.6.20.4
- 2.6.20.5
- 2.6.20.6
- 2.6.20.7
- 2.6.20.8
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- 2.6.20.18
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- 2.6.20.20
- 2.6.20.21
- 2.6.21
- 2.6.21.1
- 2.6.21.2
- 2.6.21.3
- 2.6.21.4
- 2.6.21.5
- 2.6.21.6
- 2.6.21.7
- 2.6.22
- 2.6.22.1
- 2.6.22.2
- 2.6.22.3
- 2.6.22.4
- 2.6.22.5
- 2.6.22.6
- 2.6.22.7
- 2.6.22.8
- 2.6.22.9
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- 2.6.22.11
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- 2.6.22.20
- 2.6.22.21
- 2.6.22.22
- 2.6.23
- 2.6.23
- 2.6.23
- 2.6.23.1
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- 2.6.23.3
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- 2.6.23.13
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- 2.6.23.17
- 2.6.24
- 2.6.24
- 2.6.24
- 2.6.24
- 2.6.24
- 2.6.24
- 2.6.24.1
- 2.6.24.2
- 2.6.24.3
- 2.6.24.4
- 2.6.24.5
- 2.6.24.6
- 2.6.24.7
- 2.6.25
- 2.6.25.1
- 2.6.25.2
- 2.6.25.3
- 2.6.25.4
- 2.6.25.5
- 2.6.25.6
- 2.6.25.7
- 2.6.25.8
- 2.6.25.9
- 2.6.25.10
- 2.6.25.11
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- 2.6.25.13
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- 2.6.25.15
- 2.6.25.16
- 2.6.25.17
- 2.6.25.18
- 2.6.25.19
- 2.6.25.20
- 2.6.26
- 2.6.26
- 2.6.26.1
- 2.6.26.2
- 2.6.26.3
- 2.6.26.4
- 2.6.26.5
- 2.6.26.6
- 2.6.26.7
- 2.6.26.8
- 2.6.27
- 2.6.27
- 2.6.27
- 2.6.27
- 2.6.27
- 2.6.27
- 2.6.27
- 2.6.27
- 2.6.27
- 2.6.27
- 2.6.27.5
- 2.6.27.6
- 2.6.27.7
- 2.6.27.8
- 2.6.27.9
- 2.6.27.10
- 2.6.27.11
- 2.6.27.12
- 2.6.27.20
- 2.6.27.22
- 2.6.27.23
- 2.6.27.24
- 2.6.27.33
- 2.6.27.34
- 2.6.27.35
- 2.6.27.36
- 2.6.27.37
- 2.6.28
- 2.6.28
- 2.6.28
- 2.6.28
- 2.6.28
- 2.6.28
- 2.6.28
- 2.6.28
- 2.6.28
- 2.6.28.1
- 2.6.28.2
- 2.6.28.3
- 2.6.28.4
- 2.6.28.5
- 2.6.28.6
- 2.6.28.7
- 2.6.28.8
- 2.6.28.9
- 2.6.28.10
- 2.6.29
- 2.6.29
- 2.6.29
- 2.6.29
- 2.6.29
- 2.6.29
- 2.6.29.1
- 2.6.29.2
- 2.6.29.3
- 2.6.29.4
- 2.6.29.5
- 2.6.29.6
- 2.6.30
- 2.6.30
- 2.6.30
- 2.6.30
- 2.6.30
- 2.6.30
- 2.6.30
- 2.6.30.1
- 2.6.30.2
- 2.6.30.3
- 2.6.30.4
- 2.6.30.5
- 2.6.30.6
- 2.6.30.7
- 2.6.30.8
- 2.6.30.9
- 2.6.30.10
- 2.6.31
- 2.6.31
- 2.6.31
- 2.6.31
- 2.6.31
- 2.6.31
- 2.6.31
- 2.6.31
- 2.6.31
- 2.6.31.1
- 2.6.31.2
- 2.6.31.3
- 2.6.31.4
- 2.6.31.5
- 2.6.31.6
- 2.6.31.7
- 2.6.31.8
- 2.6.31.9
- 2.6.31.10
- 2.6.31.11
- 2.6.31.12
- 2.6.31.13
- 2.6.31.14
- 2.6.32
- 2.6.32
- 2.6.32
- 2.6.32
- 2.6.32
- 2.6.32
- 2.6.32
- 2.6.32
- 2.6.32
- 2.6.32.1
- 2.6.32.2
- 2.6.32.3
- 2.6.32.4
- 2.6.32.5
- 2.6.32.6
- 2.6.32.7
- 2.6.32.8
- 2.6.32.9
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- 2.6.32.11
- 2.6.32.12
- 2.6.32.13
- 2.6.32.14
- 2.6.32.15
- 2.6.32.16
- 2.6.32.17
- 2.6.32.18
- 2.6.32.19
- 2.6.32.20
- 2.6.33
- 2.6.33
- 2.6.33
- 2.6.33
- 2.6.33
- 2.6.33
- 2.6.33
- 2.6.33
- 2.6.33.1
- 2.6.33.2
- 2.6.33.3
- 2.6.33.4
- 2.6.33.5
- 2.6.33.6
No data.
Red Hat Enterprise Linux 5
kernel-0:2.6.18-194.17.1.el5
Fixed · RHSA-2010:0723
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | kernel-0:2.6.18-194.17.1.el5 | Fixed | RHSA-2010:0723 |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue did not affect the version of Linux kernel as shipped with Red Hat Enterprise Linux 3, 4 and Red Hat Enterprise MRG as they did not include support for the Ext4 filesystem. A future kernel update in Red Hat Enterprise Linux 5 will address this issue.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:L/AC:M/Au:N/C:N/I:N/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.38% (0.00376) | 29.20th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.38% (0.00376) | 29.20th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.08% (0.00081) | 21.32th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00044) | 11.89th | v3 (v2023.03.01) |
| Jul 2, 2024 | 0.04% (0.00044) | 10.25th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00044) | 8.24th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.55% (0.01547) | 74.98th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.55% (0.01547) | 74.94th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.55% (0.01547) | 72.92th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.55% (0.01547) | 51.82th | v2 (v2022.01.01) |
References (26)
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=731eb1a03a8445cde2cb23ecfb3580c6fa7bb690 x_refsource_CONFIRM
- http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00004.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00000.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html vendor-advisoryx_refsource_SUSE
- http://marc.info/?l=oss-security&m=128192548904503&w=2 mailing-listx_refsource_MLIST
- http://marc.info/?l=oss-security&m=128197862004376&w=2 mailing-listx_refsource_MLISTPatch
- http://marc.info/?l=oss-security&m=128201627016896&w=2 mailing-listx_refsource_MLIST
- http://secunia.com/advisories/46397 third-party-advisoryx_refsource_SECUNIA
- http://support.avaya.com/css/P8/documents/100113326 x_refsource_CONFIRM
- http://www.debian.org/security/2010/dsa-2094 vendor-advisoryx_refsource_DEBIAN
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.34 x_refsource_CONFIRM
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:172 vendor-advisoryx_refsource_MANDRIVA
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:247 vendor-advisoryx_refsource_MANDRIVA
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:029 vendor-advisoryx_refsource_MANDRIVA
- http://www.redhat.com/support/errata/RHSA-2010-0723.html vendor-advisoryx_refsource_REDHAT
- http://www.securityfocus.com/archive/1/520102/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/42477 vdb-entryx_refsource_BID
- http://www.ubuntu.com/usn/USN-1000-1 vendor-advisoryx_refsource_UBUNTU
- http://www.vmware.com/security/advisories/VMSA-2011-0012.html x_refsource_CONFIRM
- http://www.vupen.com/english/advisories/2010/3117 vdb-entryx_refsource_VUPEN
- http://www.vupen.com/english/advisories/2011/0298 vdb-entryx_refsource_VUPEN
- https://access.redhat.com/security/cve/CVE-2010-3015 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=624327 x_refsource_CONFIRMIssue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/61156 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2010-3015
- https://www.cve.org/CVERecord?id=CVE-2010-3015
Change history (0)
No recorded changes yet.