CVE-2013-1959 json
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 file…
published 2013-05-03 13 y ago modified 2026-06-16 4 mo ago also EUVD-2013-1949
- cvss
- 3.7
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 69%
- public exploits
- 1
- Exploit-DB
Summary
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.
Patch / fix
- linux Debian 14, Debian 13, Debian 12 3.8.11-1
debian advisories DEBIAN-CVE-2013-1959
Timeline
- Published
- First public exploit (EDB-25450)
Exploit prediction
1.24% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- EDB-25450 Linux Kernel < 3.8.x - open-time Capability 'file_ns_capable()' Local Privilege Escalation local, 2013-05-14
- exploit-db.com http://www.exploit-db.com/exploits/25307 referenced PoC, tagged "exploit" by a source, unverified
- openwall.com http://www.openwall.com/lists/oss-security/2013/04/29/1 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 3.7 | AV:L/AC:H/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-264 Permissions, Privileges, and Access Controls
- Technology feeds
References
- github.com /torvalds/linux/commit/e3211c120a85b792978bcb4be7b2886df18d27f0
- github.com /torvalds/linux/commit/6708075f104c3c9b04b23336bb0366ca30c3931b
-
exploit-db.com
/exploits/25307
exploit
-
openwall.com
/lists/oss-security/2013/04/29/1
mailing-list, exploit
- git.kernel.org /?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=6708075f104c3c9b04b23336bb0366ca30c3931b
- kernel.org /pub/linux/kernel/v3.x/ChangeLog-3.8.9
- git.kernel.org /?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=e3211c120a85b792978bcb4be7b2886df18d27f0
Sources
- CVE List CVE-2013-1959
- NVD CVE-2013-1959
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.