kernel: multiple race conditions in aufs
Published Nov 16, 2015
4.0
MEDIUMCVSS 3.1
EPSS 0.39%
Description
Multiple race conditions in the Advanced Union Filesystem (aufs) aufs3-mmap.patch and aufs4-mmap.patch patches for the Linux kernel 3.x and 4.x allow local users to cause a denial of service (use-after-free and BUG) or possibly gain privileges via a (1) madvise or (2) msync system call, related to mm/madvise.c and mm/msync.c.
Affected products
No data.
Configuration 1
- ≥ 3.0.0 · ≤ 3.19.8
- ≥ 4.0.0 · ≤ 4.20.15
Configuration 2
- 14.04
- 8.0
No data.
Red Hat Enterprise Linux 5
kernel
Not affected
Red Hat Enterprise Linux 6
kernel
Not affected
Red Hat Enterprise Linux 7
kernel
Not affected
Red Hat Enterprise Linux 7
kernel-alt
Not affected
Red Hat Enterprise Linux 7
kernel-rt
Not affected
Red Hat Enterprise Linux 8
kernel
Not affected
Red Hat Enterprise Linux 8
kernel-rt
Not affected
Red Hat Enterprise MRG 2
kernel
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 6 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel-alt | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel-rt | Not affected | n/a |
| Red Hat Enterprise Linux 8 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 8 | kernel-rt | Not affected | n/a |
| Red Hat Enterprise MRG 2 | kernel | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
No CVSS v3.0 score for this CVE.
AV:L/AC:M/Au:N/C:P/I:P/A:P
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 (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.39% (0.00389) | 30.58th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.39% (0.00389) | 30.49th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.04% (0.00039) | 8.87th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.09th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.67th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00950) | 32.28th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.95% (0.00950) | 30.63th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.95% (0.00950) | 28.61th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00950) | 13.46th | v2 (v2022.01.01) |
References (8)
- http://sourceforge.net/p/aufs/mailman/message/34449209/ mailing-listx_refsource_MLISTExploitThird Party Advisory
- http://www.debian.org/security/2015/dsa-3364 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.openwall.com/lists/oss-security/2015/09/22/10 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.ubuntu.com/usn/USN-2777-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2015-7312 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1867450 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2015-7312
- https://www.cve.org/CVERecord?id=CVE-2015-7312
| Link | Providers | Tags |
|---|---|---|
| http://sourceforge.net/p/aufs/mailman/message/34449209/ | mailing-listx_refsource_MLISTExploitThird Party Advisory | |
| http://www.debian.org/security/2015/dsa-3364 | vendor-advisoryx_refsource_DEBIANThird Party Advisory | |
| http://www.openwall.com/lists/oss-security/2015/09/22/10 | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| http://www.ubuntu.com/usn/USN-2777-1 | vendor-advisoryx_refsource_UBUNTUThird Party Advisory | |
| https://access.redhat.com/security/cve/CVE-2015-7312 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1867450 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2015-7312 | ||
| https://www.cve.org/CVERecord?id=CVE-2015-7312 |
Change history (0)
No recorded changes yet.