kernel/user_namespace.c in the Linux kernel before 3.8.9 does not have appropriate capability requirements for the uid_map and gid_map files, which allows local users to gain privileges by opening a file within an unprivileged process and then modifying the file within a privileged process.
CVE-2013-1959
- No confirmed exploitation signals yet
A fix is available — apply it.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 65.9%
- KEV
- Not listed
Published
May 3, 2013
Last Modified
April 29, 2026
References (14)
- secalert@redhathttp://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=6708075f104c3c9b04b23336bb0366ca30c3931b
- secalert@redhathttp://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=e3211c120a85b792978bcb4be7b2886df18d27f0
- secalert@redhathttp://www.exploit-db.com/exploits/25307
- secalert@redhathttp://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.9
- secalert@redhathttp://www.openwall.com/lists/oss-security/2013/04/29/1
- secalert@redhathttps://github.com/torvalds/linux/commit/6708075f104c3c9b04b23336bb0366ca30c3931b
- secalert@redhathttps://github.com/torvalds/linux/commit/e3211c120a85b792978bcb4be7b2886df18d27f0
- af854a3a-2127-422b-91ae-364da2661108http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=6708075f104c3c9b04b23336bb0366ca30c3931b
- af854a3a-2127-422b-91ae-364da2661108http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=e3211c120a85b792978bcb4be7b2886df18d27f0
- af854a3a-2127-422b-91ae-364da2661108http://www.exploit-db.com/exploits/25307
- af854a3a-2127-422b-91ae-364da2661108http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.9
- af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2013/04/29/1
- af854a3a-2127-422b-91ae-364da2661108https://github.com/torvalds/linux/commit/6708075f104c3c9b04b23336bb0366ca30c3931b
- af854a3a-2127-422b-91ae-364da2661108https://github.com/torvalds/linux/commit/e3211c120a85b792978bcb4be7b2886df18d27f0
Patch Availability(1)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | linux-image-3.8.0-19-generic (3.8.0-19.30) @ raring | 2026-05-29 | ubuntu |
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.
All Vendor Advisories
(1)
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
Data Freshness Timeline
(refreshed 8× in last 7d / 38× 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 02:19 UTCEPSS rescore
- 2026-07-06 02:19 UTCEPSS rescore
- 2026-07-05 08:29 UTCOSV refresh
- 2026-07-05 02:26 UTCEPSS rescore
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- 2026-06-19 19:23 UTCEPSS rescore
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- 2026-06-18 17:49 UTCEPSS rescore
- 2026-06-17 17:49 UTCEPSS rescore
- 2026-06-17 17:49 UTCEPSS rescore
- 2026-06-16 19:35 UTCOSV refresh
- 2026-06-16 17:49 UTCEPSS rescore
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- 2026-06-01 13:49 UTCEPSS rescore
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- 2026-05-31 22:28 UTCEPSS rescore
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- 2026-05-31 00:14 UTCEPSS rescore
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- 2026-05-29 13:41 UTCEPSS rescore
- 2026-05-29 13:41 UTCEPSS rescore
- 2026-05-29 00:02 UTCEG score recompute
- 2026-05-29 00:02 UTCVendor advisory
- 2026-05-29 00:01 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
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- 2026-05-26 07:16 UTCEPSS rescore
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- 2026-05-24 16:43 UTCEPSS rescore
- 2026-05-22 21:15 UTCEPSS rescore
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- 2026-05-21 22:39 UTCEPSS rescore
- 2026-05-20 22:37 UTCEPSS rescore
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- 2026-05-20 11:21 UTCEPSS rescore
- 2026-05-20 11:21 UTCEPSS rescore
- 2026-05-20 11:21 UTCEPSS rescore
- 2026-05-19 17:33 UTCOSV refresh
- 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-25450First seen May 14, 2013
Linux Kernel < 3.8.x - open-time Capability 'file_ns_capable()' Local Privilege Escalation
Open source ↗
Frequently asked(4)
What is CVE-2013-1959?
When was CVE-2013-1959 disclosed?
Is CVE-2013-1959 actively exploited?
How do I remediate CVE-2013-1959?
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