kernel: AIO write triggers integer overflow in some protocols
Published May 2, 2016
7.8
HIGHCVSS 3.0
EPSS 0.50%
Description
Integer overflow in the aio_setup_single_vector function in fs/aio.c in the Linux kernel 4.0 allows local users to cause a denial of service or possibly have unspecified other impact via a large AIO iovec. NOTE: this vulnerability exists because of a CVE-2012-6701 regression.
Affected products
No data.
- 4.0
No data.
Red Hat Enterprise Linux 6
kernel-0:2.6.32-754.el6
Fixed · RHSA-2018:1854
Red Hat Enterprise Linux 7
kernel-0:3.10.0-957.el7
Fixed · RHSA-2018:3083
Red Hat Enterprise Linux 7
kernel-rt-0:3.10.0-957.rt56.910.el7
Fixed · RHSA-2018:3096
Red Hat Enterprise Linux 5
kernel
Not affected
Red Hat Enterprise MRG 2
realtime-kernel
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | kernel-0:2.6.32-754.el6 | Fixed | RHSA-2018:1854 |
| Red Hat Enterprise Linux 7 | kernel-0:3.10.0-957.el7 | Fixed | RHSA-2018:3083 |
| Red Hat Enterprise Linux 7 | kernel-rt-0:3.10.0-957.rt56.910.el7 | Fixed | RHSA-2018:3096 |
| Red Hat Enterprise Linux 5 | kernel | Not affected | n/a |
| Red Hat Enterprise MRG 2 | realtime-kernel | Will not fix | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 5, as the related AIO vector code is not present in this product. This issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux 6, 7. Future Linux kernel updates for the respective releases might address this issue. This issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux MRG-2. This flaw is not currently planned to be addressed in future updates due to MRG-2 being an EUS release. For additional information, refer to the Extended Update Support (EUS) Guide: https://access.redhat.com/articles/rhel-eus.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AV:L/AC:L/Au:N/C:C/I:C/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 2, 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 2, 2026 | 0.50% (0.00496) | 40.35th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.50% (0.00496) | 38.40th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.04% (0.00040) | 9.25th | 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 (19)
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4c185ce06dca14f5cea192f5a2c981ef50663f2b x_refsource_CONFIRMVendor Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c4f4b82694fe48b02f7a881a1797131a6dad1364 x_refsource_CONFIRM
- http://seclists.org/oss-sec/2016/q2/479
- http://www.debian.org/security/2016/dsa-3503 vendor-advisoryx_refsource_DEBIAN
- http://www.openwall.com/lists/oss-security/2016/03/02/9 mailing-listx_refsource_MLIST
- http://www.ubuntu.com/usn/USN-2968-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2968-2 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2969-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2970-1 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/errata/RHSA-2018:1854 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2018:3083 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2018:3096 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2015-8830 Vendor Advisory
- https://bugs.chromium.org/p/project-zero/issues/detail?id=735
- https://bugzilla.redhat.com/show_bug.cgi?id=1314275 x_refsource_CONFIRMIssue Tracking
- https://github.com/torvalds/linux/commit/4c185ce06dca14f5cea192f5a2c981ef50663f2b x_refsource_CONFIRMVendor Advisory
- https://github.com/torvalds/linux/commit/c4f4b82694fe48b02f7a881a1797131a6dad1364 x_refsource_CONFIRMVendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2015-8830
- https://www.cve.org/CVERecord?id=CVE-2015-8830
Change history (0)
No recorded changes yet.