The add_del_listener function in kernel/taskstats.c in the Linux kernel 2.6.39.1 and earlier does not prevent multiple registrations of exit handlers, which allows local users to cause a denial of service (memory and CPU consumption), and bypass the OOM Killer, via a crafted application.
CVE-2011-2484
- No confirmed exploitation signals yet
A fix is available — apply it.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 30.9%
- KEV
- Not listed
Published
June 24, 2011
Last Modified
April 29, 2026
References (12)
- secalert@redhathttp://lists.openwall.net/linux-kernel/2011/06/16/605
- secalert@redhathttp://openwall.com/lists/oss-security/2011/06/22/1
- secalert@redhathttp://openwall.com/lists/oss-security/2011/06/22/2
- secalert@redhathttp://www.securityfocus.com/bid/48383
- secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=715436
- secalert@redhathttps://exchange.xforce.ibmcloud.com/vulnerabilities/68150
- af854a3a-2127-422b-91ae-364da2661108http://lists.openwall.net/linux-kernel/2011/06/16/605
- af854a3a-2127-422b-91ae-364da2661108http://openwall.com/lists/oss-security/2011/06/22/1
- af854a3a-2127-422b-91ae-364da2661108http://openwall.com/lists/oss-security/2011/06/22/2
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/48383
- af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=715436
- af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/68150
Vendor Advisories for CVE-2011-2484(3)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
- RHSA-2011:1386Red Hat Product SecurityHigh
Red Hat Security Advisory: kernel security, bug fix, and enhancement update
- RHSA-2011:1350Red Hat Product SecurityHigh
Red Hat Security Advisory: kernel security, bug fix, and enhancement update
- RHSA-2011:1253Red Hat Product SecurityHigh
Red Hat Security Advisory: kernel-rt security and bug fix update
Patch Availability(15)
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.
Additional Vendor Advisories
(12)
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-1186-1MEDIUM
Linux kernel vulnerabilities
- UbuntuUSN-1193-1MEDIUM
Linux kernel vulnerabilities
- UbuntuUSN-1201-1MEDIUM
Linux kernel vulnerabilities
- UbuntuUSN-1202-1MEDIUM
Linux kernel (OMAP4) vulnerabilities
- UbuntuUSN-1203-1MEDIUM
Linux kernel (Marvel DOVE) vulnerabilities
- UbuntuUSN-1204-1MEDIUM
Linux kernel (i.MX51) vulnerabilities
- UbuntuUSN-1205-1MEDIUM
Linux kernel (Maverick backport) vulnerabilities
- UbuntuUSN-1208-1MEDIUM
Linux kernel (Marvel DOVE) vulnerabilities
- UbuntuUSN-1212-1MEDIUM
Linux kernel (OMAP4) vulnerabilities
- UbuntuUSN-1216-1MEDIUM
Linux kernel (EC2) vulnerabilities
- UbuntuUSN-1218-1MEDIUM
Linux kernel vulnerabilities
- UbuntuUSN-1256-1MEDIUM
Linux kernel (Natty backport) vulnerabilities
Data Freshness Timeline
(refreshed 10× in last 7d / 43× 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
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- 2026-06-19 19:22 UTCEPSS rescore
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- 2026-05-29 13:41 UTCEPSS rescore
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- 2026-05-29 07:40 UTCEG score recompute
- 2026-05-29 07:40 UTCVendor advisory
- 2026-05-29 07:40 UTCGHSA enrichment
- 2026-05-28 13:42 UTCEPSS rescore
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- 2026-05-18 21:29 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
Frequently asked(4)
What is CVE-2011-2484?
When was CVE-2011-2484 disclosed?
Is CVE-2011-2484 actively exploited?
How do I remediate CVE-2011-2484?
Dependency Blast Radius
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