Kernel: tmpfs: fix use-after-free of mempolicy object
Published Feb 28, 2013
6.2
MEDIUMCVSS 2.0
EPSS 0.50%
Description
Use-after-free vulnerability in the shmem_remount_fs function in mm/shmem.c in the Linux kernel before 3.7.10 allows local users to gain privileges or cause a denial of service (system crash) by remounting a tmpfs filesystem without specifying a required mpol (aka mempolicy) mount option.
Affected products
No data.
- ≤ 3.7.9
- 3.0
- 3.0
- 3.0
- 3.0
- 3.0
- 3.0
- 3.0
- 3.0.1
- 3.0.2
- 3.0.3
- 3.0.4
- 3.0.5
- 3.0.6
- 3.0.7
- 3.0.8
- 3.0.9
- 3.0.10
- 3.0.11
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- 3.0.13
- 3.0.14
- 3.0.15
- 3.0.16
- 3.0.17
- 3.0.18
- 3.0.19
- 3.0.20
- 3.0.21
- 3.0.22
- 3.0.23
- 3.0.24
- 3.0.25
- 3.0.26
- 3.0.27
- 3.0.28
- 3.0.29
- 3.0.30
- 3.0.31
- 3.0.32
- 3.0.33
- 3.0.34
- 3.0.35
- 3.0.36
- 3.0.37
- 3.0.38
- 3.0.39
- 3.0.40
- 3.0.41
- 3.0.42
- 3.0.43
- 3.0.44
- 3.1
- 3.1
- 3.1
- 3.1
- 3.1
- 3.1.1
- 3.1.2
- 3.1.3
- 3.1.4
- 3.1.5
- 3.1.6
- 3.1.7
- 3.1.8
- 3.1.9
- 3.1.10
- 3.2
- 3.2
- 3.2
- 3.2
- 3.2
- 3.2
- 3.2
- 3.2.1
- 3.2.2
- 3.2.3
- 3.2.4
- 3.2.5
- 3.2.6
- 3.2.7
- 3.2.8
- 3.2.9
- 3.2.10
- 3.2.11
- 3.2.12
- 3.2.13
- 3.2.14
- 3.2.15
- 3.2.16
- 3.2.17
- 3.2.18
- 3.2.19
- 3.2.20
- 3.2.21
- 3.2.22
- 3.2.23
- 3.2.24
- 3.2.25
- 3.2.26
- 3.2.27
- 3.2.28
- 3.2.29
- 3.2.30
- 3.3
- 3.3
- 3.3
- 3.3
- 3.3
- 3.3
- 3.3
- 3.3
- 3.3.1
- 3.3.2
- 3.3.3
- 3.3.4
- 3.3.5
- 3.3.6
- 3.3.7
- 3.3.8
- 3.4
- 3.4
- 3.4
- 3.4
- 3.4
- 3.4
- 3.4
- 3.4
- 3.4.1
- 3.4.2
- 3.4.3
- 3.4.4
- 3.4.5
- 3.4.6
- 3.4.7
- 3.4.8
- 3.4.9
- 3.4.10
- 3.4.11
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- 3.4.13
- 3.4.14
- 3.4.15
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- 3.4.17
- 3.4.18
- 3.4.19
- 3.4.20
- 3.4.21
- 3.4.22
- 3.4.23
- 3.4.24
- 3.5.1
- 3.5.2
- 3.5.3
- 3.5.4
- 3.5.5
- 3.5.6
- 3.5.7
- 3.6
- 3.6.1
- 3.6.2
- 3.6.3
- 3.6.4
- 3.6.5
- 3.6.6
- 3.6.7
- 3.6.8
- 3.6.9
- 3.6.10
- 3.6.11
- 3.7
- 3.7.1
- 3.7.2
- 3.7.3
- 3.7.4
- 3.7.5
- 3.7.6
- 3.7.7
- 3.7.8
No data.
Red Hat Enterprise Linux 6
kernel-0:2.6.32-358.6.1.el6
Fixed · RHSA-2013:0744
Red Hat Enterprise Linux 6.2 EUS - Server and Compute Node Only
kernel-0:2.6.32-220.38.1.el6
Fixed · RHSA-2013:0882
Red Hat Enterprise Linux 6.3 EUS - Server and Compute Node Only
kernel-0:2.6.32-279.31.1.el6
Fixed · RHSA-2013:0928
Red Hat Enterprise MRG 2
kernel-rt-0:3.6.11.2-rt33.39.el6rt
Fixed · RHSA-2013:0829
Red Hat Enterprise Linux 5
kernel
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | kernel-0:2.6.32-358.6.1.el6 | Fixed | RHSA-2013:0744 |
| Red Hat Enterprise Linux 6.2 EUS - Server and Compute Node Only | kernel-0:2.6.32-220.38.1.el6 | Fixed | RHSA-2013:0882 |
| Red Hat Enterprise Linux 6.3 EUS - Server and Compute Node Only | kernel-0:2.6.32-279.31.1.el6 | Fixed | RHSA-2013:0928 |
| Red Hat Enterprise MRG 2 | kernel-rt-0:3.6.11.2-rt33.39.el6rt | Fixed | RHSA-2013:0829 |
| Red Hat Enterprise Linux 5 | kernel | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue does not affect the versions of the kernel package as shipped with Red Hat Enterprise Linux 5. This issue affects the version of Linux kernel as shipped with Red Hat Enterprise Linux 6 and Red Hat Enterprise MRG 2.
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:H/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% (0.00500) | 40.67th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.50% (0.00500) | 38.64th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.08% (0.00081) | 21.48th | 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 (23)
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=5f00110f7273f9ff04ac69a5f85bb535a4fd0987 x_refsource_CONFIRM
- http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00018.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html vendor-advisoryx_refsource_SUSE
- http://rhn.redhat.com/errata/RHSA-2013-0744.html vendor-advisoryx_refsource_REDHAT
- http://rhn.redhat.com/errata/RHSA-2013-0882.html vendor-advisoryx_refsource_REDHAT
- http://rhn.redhat.com/errata/RHSA-2013-0928.html vendor-advisoryx_refsource_REDHAT
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.10 x_refsource_CONFIRM
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:176 vendor-advisoryx_refsource_MANDRIVA
- http://www.openwall.com/lists/oss-security/2013/02/25/23 mailing-listx_refsource_MLIST
- http://www.ubuntu.com/usn/USN-1787-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-1788-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-1792-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-1793-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-1794-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-1795-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-1796-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-1797-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-1798-1 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2013-1767 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=915592 x_refsource_CONFIRMPatchIssue Tracking
- https://github.com/torvalds/linux/commit/5f00110f7273f9ff04ac69a5f85bb535a4fd0987 x_refsource_CONFIRMExploitPatch
- https://nvd.nist.gov/vuln/detail/CVE-2013-1767
- https://www.cve.org/CVERecord?id=CVE-2013-1767
Change history (0)
No recorded changes yet.