The osf_wait4 function in arch/alpha/kernel/osf_sys.c in the Linux kernel before 2.6.39.4 on the Alpha platform uses an incorrect pointer, which allows local users to gain privileges by writing a certain integer value to kernel memory
Published Jun 13, 2012
7.2
HIGHCVSS 2.0
EPSS 0.48%
Description
The osf_wait4 function in arch/alpha/kernel/osf_sys.c in the Linux kernel before 2.6.39.4 on the Alpha platform uses an incorrect pointer, which allows local users to gain privileges by writing a certain integer value to kernel memory.
Affected products
No data.
- ≤ 2.6.39.3
- 2.6.39
- 2.6.39
- 2.6.39
- 2.6.39
- 2.6.39
- 2.6.39
- 2.6.39
- 2.6.39
- 2.6.39.1
- 2.6.39.2
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
Red Hat statement
Not vulnerable. This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 4, 5, 6 and Red Hat Enterprise MRG as they did not provide support for the Alpha architecture.
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: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 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 | 0.48% (0.00482) | 39.25th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.48% (0.00482) | 37.56th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.05% (0.00047) | 11.67th | 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 | 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 (7)
- http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39.4 x_refsource_CONFIRM
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=21c5977a836e399fc710ff2c5367845ed5c2527f x_refsource_CONFIRM
- http://www.openwall.com/lists/oss-security/2011/06/15/7 mailing-listx_refsource_MLIST
- https://access.redhat.com/security/cve/CVE-2011-2211 Vendor Advisory
- https://github.com/torvalds/linux/commit/21c5977a836e399fc710ff2c5367845ed5c2527f x_refsource_CONFIRMExploitPatch
- https://nvd.nist.gov/vuln/detail/CVE-2011-2211
- https://www.cve.org/CVERecord?id=CVE-2011-2211
| Link | Providers | Tags |
|---|---|---|
| http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39.4 | x_refsource_CONFIRM | |
| http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=21c5977a836e399fc710ff2c5367845ed5c2527f | x_refsource_CONFIRM | |
| http://www.openwall.com/lists/oss-security/2011/06/15/7 | mailing-listx_refsource_MLIST | |
| https://access.redhat.com/security/cve/CVE-2011-2211 | Vendor Advisory | |
| https://github.com/torvalds/linux/commit/21c5977a836e399fc710ff2c5367845ed5c2527f | x_refsource_CONFIRMExploitPatch | |
| https://nvd.nist.gov/vuln/detail/CVE-2011-2211 | ||
| https://www.cve.org/CVERecord?id=CVE-2011-2211 |
Change history (0)
No recorded changes yet.