kernel: thp: prevent hugepages during args/env copying into the user stack
Published Feb 23, 2011
4.9
MEDIUMCVSS 2.0
EPSS 0.39%
Description
mm/huge_memory.c in the Linux kernel before 2.6.38-rc5 does not prevent creation of a transparent huge page (THP) during the existence of a temporary stack for an exec system call, which allows local users to cause a denial of service (memory consumption) or possibly have unspecified other impact via a crafted application.
Affected products
No data.
- < 2.6.38
- 2.6.38
- 2.6.38
- 2.6.38
- 2.6.38
- 2.6.38
No data.
Red Hat Enterprise Linux 6
kernel-0:2.6.32-131.0.15.el6
Fixed · RHSA-2011:0542
Red Hat Enterprise Linux 6.0 EUS - Server Only
kernel-0:2.6.32-71.31.1.el6
Fixed · RHSA-2011:0883
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | kernel-0:2.6.32-131.0.15.el6 | Fixed | RHSA-2011:0542 |
| Red Hat Enterprise Linux 6.0 EUS - Server Only | kernel-0:2.6.32-71.31.1.el6 | Fixed | RHSA-2011:0883 |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue only affects Red Hat Enterprise Linux 6. The version of Linux kernel as shipped with Red Hat Enterprise Linux 4, 5, and Red Hat Enterprise MRG as they did not include upstream commit 71e3aac0 that introduced the problem. We have addressed this in Red Hat Enterprise Linux 6 via https://rhn.redhat.com/errata/RHSA-2011-0542.html.
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:L/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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.39% (0.00387) | 30.32th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.39% (0.00387) | 30.25th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.11% (0.00113) | 27.55th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.03% (0.01034) | 41.69th | v2 (v2022.01.01) |
| Feb 13, 2023 | 1.03% (0.01034) | 41.16th | v2 (v2022.01.01) |
| Feb 3, 2023 | 1.28% (0.01282) | 67.60th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.03% (0.01034) | 39.91th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.03% (0.01034) | 37.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.03% (0.01034) | 20.32th | v2 (v2022.01.01) |
References (10)
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a7d6e4ecdb7648478ddec76d30d87d03d6e22b31 x_refsource_CONFIRM
- http://openwall.com/lists/oss-security/2011/02/17/3 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://openwall.com/lists/oss-security/2011/02/17/6 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.38-rc5 x_refsource_CONFIRMBroken Link
- http://www.securityfocus.com/bid/46442 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2011-0999 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=678209 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/65535 vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry
- https://nvd.nist.gov/vuln/detail/CVE-2011-0999
- https://www.cve.org/CVERecord?id=CVE-2011-0999
| Link | Providers | Tags |
|---|---|---|
| http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a7d6e4ecdb7648478ddec76d30d87d03d6e22b31 | x_refsource_CONFIRM | |
| http://openwall.com/lists/oss-security/2011/02/17/3 | mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory | |
| http://openwall.com/lists/oss-security/2011/02/17/6 | mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory | |
| http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.38-rc5 | x_refsource_CONFIRMBroken Link | |
| http://www.securityfocus.com/bid/46442 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2011-0999 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=678209 | x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/65535 | vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry | |
| https://nvd.nist.gov/vuln/detail/CVE-2011-0999 | ||
| https://www.cve.org/CVERecord?id=CVE-2011-0999 |
Change history (0)
No recorded changes yet.