Race condition in the scan_get_next_rmap_item function in mm/ksm.c in the Linux kernel before 2.6.39.3, when Kernel SamePage Merging (KSM) is enabled, allows local users to cause a denial of service (NULL pointer dereference) or possibly have unspecified other impact via a crafted application.
CVE-2011-2183
- No confirmed exploitation signals yet
A fix is available — apply it.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 41.5%
- KEV
- Not listed
Published
June 13, 2012
Last Modified
April 29, 2026
References (10)
- secalert@redhathttp://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39.3
- secalert@redhathttp://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=2b472611a32a72f4a118c069c2d62a1a3f087afd
- secalert@redhathttp://www.openwall.com/lists/oss-security/2011/06/06/1
- secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=710338
- secalert@redhathttps://github.com/torvalds/linux/commit/2b472611a32a72f4a118c069c2d62a1a3f087afd
- af854a3a-2127-422b-91ae-364da2661108http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39.3
- af854a3a-2127-422b-91ae-364da2661108http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=2b472611a32a72f4a118c069c2d62a1a3f087afd
- af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2011/06/06/1
- af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=710338
- af854a3a-2127-422b-91ae-364da2661108https://github.com/torvalds/linux/commit/2b472611a32a72f4a118c069c2d62a1a3f087afd
Vendor Advisories for CVE-2011-2183(2)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Patch Availability(12)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | linux-image-2.6.35-31-virtual (2.6.35-31.62) @ maverick | 2026-05-29 | ubuntu |
| ubuntu | linux-image-2.6.35-903-omap4 (2.6.35-903.26) @ maverick | 2026-05-29 | ubuntu |
| ubuntu | linux-image-2.6.35-31-generic (2.6.35-31.62~lucid1) @ lucid | 2026-05-29 | ubuntu |
| ubuntu | linux-image-2.6.32-418-dove (2.6.32-418.36) @ maverick | 2026-05-29 | ubuntu |
| ubuntu | linux-image-2.6.32-318-ec2 (2.6.32-318.38) @ lucid | 2026-05-29 | ubuntu |
| ubuntu | linux-image-2.6.38-1209-omap4 (2.6.38-1209.17) @ natty | 2026-05-29 | ubuntu |
| ubuntu | linux-image-2.6.38-13-powerpc-smp (2.6.38-13.52) @ natty | 2026-05-29 | ubuntu |
| ubuntu | linux-image-2.6.32-218-dove (2.6.32-218.36) @ lucid | 2026-05-29 | ubuntu |
| ubuntu | linux-image-2.6.32-34-lpia (2.6.32-34.77) @ lucid | 2026-05-29 | ubuntu |
| ubuntu | linux-image-2.6.38-13-generic (2.6.38-13.52~lucid1) @ lucid | 2026-05-29 | ubuntu |
| redhat | kernel-rt-0:2.6.33.9-rt31.75.el6rt | 2011-09-12 | redhat |
| redhat | kernel-0:2.6.32-131.12.1.el6 | 2011-08-23 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Additional Vendor Advisories
(10)
Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.
- UbuntuUSN-1203-1MEDIUM
Linux kernel (Marvel DOVE) vulnerabilities
- UbuntuUSN-1208-1MEDIUM
Linux kernel (Marvel DOVE) vulnerabilities
- UbuntuUSN-1216-1MEDIUM
Linux kernel (EC2) vulnerabilities
- UbuntuUSN-1218-1MEDIUM
Linux kernel vulnerabilities
- UbuntuUSN-1244-1MEDIUM
Linux kernel (OMAP4) vulnerabilities
- UbuntuUSN-1272-1MEDIUM
Linux kernel vulnerabilities
- UbuntuUSN-1278-1MEDIUM
Linux (Maverick backport) vulnerabilities
- UbuntuUSN-1279-1MEDIUM
Linux (Natty backport) vulnerabilities
- UbuntuUSN-1281-1MEDIUM
Linux (OMAP4) vulnerabilities
- UbuntuUSN-1285-1MEDIUM
Linux kernel vulnerabilities
Data Freshness Timeline
(refreshed 10× in last 7d / 44× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-06 16:23 UTCEPSS rescore
- 2026-07-06 02:19 UTCEPSS rescore
- 2026-07-06 02:19 UTCEPSS rescore
- 2026-07-05 02:26 UTCEPSS rescore
- 2026-07-04 06:27 UTCEPSS rescore
- 2026-07-02 14:01 UTCEPSS rescore
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- 2026-06-30 23:19 UTCEPSS rescore
- 2026-06-30 23:19 UTCEPSS rescore
- 2026-06-29 14:02 UTCEPSS rescore
- 2026-06-28 14:03 UTCEPSS rescore
- 2026-06-28 04:53 UTCEPSS rescore
- 2026-06-28 04:52 UTCEPSS rescore
- 2026-06-27 03:05 UTCEPSS rescore
- 2026-06-27 03:05 UTCEPSS rescore
- 2026-06-25 13:46 UTCEPSS rescore
- 2026-06-24 14:02 UTCEPSS rescore
- 2026-06-24 14:02 UTCEPSS rescore
- 2026-06-23 21:30 UTCEPSS rescore
- 2026-06-23 21:30 UTCEPSS rescore
- 2026-06-22 14:22 UTCEPSS rescore
- 2026-06-22 14:22 UTCEPSS rescore
- 2026-06-21 01:56 UTCEPSS rescore
- 2026-06-21 01:56 UTCEPSS rescore
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- 2026-06-19 19:22 UTCEPSS rescore
- 2026-06-19 19:22 UTCEPSS rescore
- 2026-06-18 17:49 UTCEPSS rescore
- 2026-06-18 17:49 UTCEPSS rescore
- 2026-06-17 17:49 UTCEPSS rescore
- 2026-06-17 17:49 UTCEPSS rescore
- 2026-06-17 17:49 UTCEPSS rescore
- 2026-06-16 17:49 UTCEPSS rescore
- 2026-06-15 17:44 UTCEPSS rescore
- 2026-06-14 23:14 UTCEPSS rescore
- 2026-06-14 23:14 UTCEPSS rescore
- 2026-06-13 22:57 UTCEPSS rescore
- 2026-06-13 22:57 UTCEPSS rescore
- 2026-06-12 23:08 UTCEPSS rescore
- 2026-06-11 13:56 UTCEPSS rescore
- 2026-06-10 22:14 UTCEPSS rescore
- 2026-06-10 13:17 UTCEPSS rescore
- 2026-06-08 14:14 UTCEPSS rescore
- 2026-06-08 14:14 UTCEPSS rescore
- 2026-06-07 15:22 UTCEPSS rescore
- 2026-06-07 15:22 UTCEPSS rescore
- 2026-06-06 13:45 UTCEPSS rescore
- 2026-06-06 13:44 UTCEPSS rescore
- 2026-06-05 22:44 UTCEPSS rescore
- 2026-06-05 06:08 UTCEPSS rescore
- 2026-06-05 06:07 UTCEPSS rescore
- 2026-06-04 13:09 UTCEPSS rescore
- 2026-06-04 13:09 UTCEPSS rescore
- 2026-06-02 20:10 UTCEPSS rescore
- 2026-06-02 20:10 UTCEPSS rescore
- 2026-06-01 13:49 UTCEPSS rescore
- 2026-06-01 13:49 UTCEPSS rescore
- 2026-05-31 22:28 UTCEPSS rescore
- 2026-05-31 22:28 UTCEPSS rescore
- 2026-05-31 00:14 UTCEPSS rescore
- 2026-05-31 00:14 UTCEPSS rescore
- 2026-05-29 13:41 UTCEPSS rescore
- 2026-05-29 13:40 UTCEPSS rescore
- 2026-05-29 04:20 UTCEG score recompute
- 2026-05-29 04:20 UTCVendor advisory
- 2026-05-29 04:20 UTCGHSA enrichment
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-27 13:38 UTCEPSS rescore
- 2026-05-27 13:38 UTCEPSS rescore
- 2026-05-26 13:41 UTCEPSS rescore
- 2026-05-26 13:41 UTCEPSS rescore
- 2026-05-26 07:16 UTCEPSS rescore
- 2026-05-26 07:16 UTCEPSS rescore
- 2026-05-24 16:43 UTCEPSS rescore
- 2026-05-22 21:15 UTCEPSS rescore
- 2026-05-22 21:15 UTCEPSS rescore
- 2026-05-22 21:15 UTCEPSS rescore
- 2026-05-20 22:37 UTCEPSS rescore
- 2026-05-20 22:37 UTCEPSS rescore
- 2026-05-20 22:37 UTCEPSS rescore
- 2026-05-20 11:21 UTCEPSS rescore
- 2026-05-20 11:21 UTCEPSS rescore
- 2026-05-20 11:21 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
Publicly available exploits
(1 reference)Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- Exploit-DBEDB-35820✓ verifiedFirst seen Jun 2, 2011
Linux Kernel 2.6.x - KSM Local Denial of Service
Open source ↗
Related CVEs(same vendor + same CWE)
Same vendor
10 shownredhat
Frequently asked(4)
What is CVE-2011-2183?
When was CVE-2011-2183 disclosed?
Is CVE-2011-2183 actively exploited?
How do I remediate CVE-2011-2183?
Dependency Blast Radius
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