CVE-2013-4205 json
Memory leak in the unshare_userns function in kernel/user_namespace.c in the Linux kernel before 3.10.6 allows local users to cause a denia…
published 2013-08-25 13 y ago modified 2026-06-16 4 mo ago also EUVD-2013-4110
- cvss
- 4.7
- 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 39%
- public exploits
- 0
- none known
Summary
Memory leak in the unshare_userns function in kernel/user_namespace.c in the Linux kernel before 3.10.6 allows local users to cause a denial of service (memory consumption) via an invalid CLONE_NEWUSER unshare call.
Patch / fix
- linux Debian 14, Debian 13, Debian 12 3.10.7-1
debian advisories DEBIAN-CVE-2013-4205
Exploit prediction
0.45% chance of exploitation in the next 30 days, higher than 39% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- github.com https://github.com/torvalds/linux/commit/6160968cee8b90a5dd95318d716e31d7775c4ef3 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 4.7 | AV:L/AC:M/Au:N/C:N/I:N/A:C |
Classification
- Weakness
-
- CWE-399 Resource Management Errors
- Technology feeds
References
-
github.com
/torvalds/linux/commit/6160968cee8b90a5dd95318d716e31d7775c4ef3
exploit, patch
-
ubuntu.com
/usn/USN-1971-1
vendor-advisory
-
ubuntu.com
/usn/USN-1974-1
vendor-advisory
-
openwall.com
/lists/oss-security/2013/08/06/2
mailing-list
- twitter.com /grsecurity/statuses/364566062336978944
- kernel.org /pub/linux/kernel/v3.x/ChangeLog-3.10.6
- git.kernel.org /?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=6160968cee8b90a5dd95318d716e31d7775c4ef3
Sources
- CVE List CVE-2013-4205
- NVD CVE-2013-4205
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.