CVE-2011-2211 json
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,…
published 2012-06-13 14 y ago modified 2026-06-16 4 mo ago also EUVD-2011-2200
- cvss
- 7.2
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 41%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
Exploit prediction
0.48% chance of exploitation in the next 30 days, higher than 41% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- github.com https://github.com/torvalds/linux/commit/21c5977a836e399fc710ff2c5367845ed5c2527f referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-264 Permissions, Privileges, and Access Controls
- Technology feeds
References
-
github.com
/torvalds/linux/commit/21c5977a836e399fc710ff2c5367845ed5c2527f
exploit, patch
- ftp.osuosl.org /pub/linux/kernel/v2.6/ChangeLog-2.6.39.4
-
openwall.com
/lists/oss-security/2011/06/15/7
mailing-list
- git.kernel.org /?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=21c5977a836e399fc710ff2c5367845ed5c2527f
Sources
- CVE List CVE-2011-2211
- NVD CVE-2011-2211
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.