The compat_sys_recvmmsg function in net/compat.c in the Linux kernel before 3.13.2, when CONFIG_X86_X32 is enabled, allows local users to gain privileges via a recvmmsg system call with a crafted timeout pointer parameter.
Conclusion & alert: CVE-2014-0038 is rated High Exploit Risk (76.7/100): CVSS Medium severity, with high exploitation likelihood (EPSS 51.52%, 98th percentile). Core evidence: 6 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 40503 | exploit_db | edb | 2016-10-11 | Exploit-DB ↗ |
| 31347 | exploit_db | edb | 2014-02-02 | Exploit-DB ↗ |
| 31346 | exploit_db | edb | 2014-02-02 | Exploit-DB ↗ |
| 31305 | exploit_db | edb | 2014-01-31 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-03-04 | 51.62% | 51.52% | -0.10% |
| 2 | 2026-03-01 | 51.52% | 51.62% | +0.10% |
| 3 | 2026-02-04 | — | 51.52% | — |
Full EPSS history (52 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.9 | 2.0 | MEDIUM |
|
3.4 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
unimportant | CVE-2014-0038 unimportant priority: Debian including 1 source packages (linux), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2014-0038 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2014-0038 |
ubuntu
|
critical | CVE-2014-0038 critical priority: Ubuntu including 18 source packages (linux, linux-armadaxp, …), 90 status rows across 5 suites (lucid, precise, quantal, saucy, upstream): DNE 43, not-affected 28, ignored 11, released 8. | https://ubuntu.com/security/CVE-2014-0038 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| linux | linux_kernel | >= 3.4, < 3.4.79 | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| linux | linux_kernel | >= 3.5, < 3.10.29 | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| linux | linux_kernel | >= 3.11, < 3.12.10 | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| linux | linux_kernel | >= 3.13, < 3.13.2 | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| opensuse | opensuse | 12.3 | cpe:2.3:o:opensuse:opensuse:12.3:*:*:*:*:*:*:* |