CVE-2014-4943 EXPLOIT
6.9
MEDIUM · CVSS 2.0 · EPSS 2.1% (pctl 81)
Patch early
A public exploit exists.
Description
The PPPoL2TP feature in net/l2tp/l2tp_ppp.c in the Linux kernel through 3.15.6 allows local users to gain privileges by leveraging data-structure differences between an l2tp socket and an inet socket.
Scoring
| CVSS | 6.9 (MEDIUM, v2.0) |
|---|---|
| Vector | AV:L/AC:M/Au:N/C:C/I:C/A:C |
| EPSS | 2.1% — more likely to be exploited than 81% of all CVEs |
| Weakness | CWE-269 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2014-07-19 |
| Last modified | 2026-06-17 |
Affected (6)
| Vendor | Product |
|---|---|
| debian | debian linux |
| linux | linux kernel |
| opensuse | opensuse |
| redhat | enterprise linux server aus |
| suse | linux enterprise desktop |
| suse | linux enterprise server |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Linux Kernel 3.15.6 - PPP-over-L2TP Socket Level Handling Crash (PoC) | 2015-03-04 |
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=3cf521f7dc87c031617fd47e4b7aa2593c2f3daf
- http://linux.oracle.com/errata/ELSA-2014-0924.html
- http://linux.oracle.com/errata/ELSA-2014-3047.html
- http://linux.oracle.com/errata/ELSA-2014-3048.html
- http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00006.html
- http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00007.html
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html
- http://openwall.com/lists/oss-security/2014/07/17/1
- http://osvdb.org/show/osvdb/109277
- http://rhn.redhat.com/errata/RHSA-2014-1025.html
- http://secunia.com/advisories/59790
- http://secunia.com/advisories/60011
- http://secunia.com/advisories/60071
- http://secunia.com/advisories/60220
- http://secunia.com/advisories/60380
- http://secunia.com/advisories/60393
- http://www.debian.org/security/2014/dsa-2992
- http://www.exploit-db.com/exploits/36267
- http://www.securitytracker.com/id/1030610
→ the Explorer · watch your stack · NVD