CVE catalog
CVE-2009-2692
linux-2.6.24 - privilege escalation
- Severity
- Unknown
- Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 14.63% · Oct 25, 2026
The Linux kernel 2.6.0 through 2.6.30.4, and 2.4.4 through 2.4.37.4, does not initialize all function pointers for socket operations in proto_ops structures, which allows local users to trigger a NULL pointer dereference and gain privileges by using mmap to map page zero, placing arbitrary code on this page, and then invoking an unavailable operation, as demonstrated by the sendpage operation (sock_sendpage function) on a PF_PPPOX socket. kernel: uninit op in SOCKOPS_WRAP() leads to privesc Red Hat is aware of this issue. Please see https://access.redhat.com/articles/18053. The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | linux-2.6 | 5.0 | 2.6.26-13 | vulnerable |
| Debian | linux-2.6 | 5.0 | 2.6.26-13lenny2 | vulnerable |
| Debian | linux-2.6 | 5.0 | 2.6.26-13lenny2~bpo40+1 | vulnerable |
| Debian | linux-2.6 | 5.0 | 2.6.26-14 | vulnerable |
| Debian | linux-2.6 | 5.0 | 2.6.26-15 | vulnerable |
| Debian | linux-2.6 | 5.0 | 2.6.26-15lenny1 | vulnerable |
| Debian | linux-2.6 | 5.0 | 2.6.26-15lenny2 | vulnerable |
| Debian | linux-2.6 | 5.0 | 2.6.26-15lenny3 | vulnerable |
| Debian | linux-2.6 | 5.0 | 2.6.26-15~bpo40+1 | vulnerable |
| Debian | linux-2.6 | 5.0 | 2.6.26-15~bpo40+2 | vulnerable |
| Debian | linux-2.6 | 5.0 | 2.6.26-16 | vulnerable |
| Debian | linux-2.6 | 5.0 | 2.6.26-17 | vulnerable |
| Debian | linux-2.6 | 5.0 | 2.6.26-17lenny1 | vulnerable |
| Debian | linux-2.6 | 5.0 | 2.6.26-17lenny2~bpo40+1 | vulnerable |
| Debian | linux-2.6 | 5.0 | 2.6.26-17~bpo40+1 | vulnerable |
| Debian | linux-2.6 | 5.0 | 2.6.26-17lenny2 | fixed |
| Debian | linux-2.6.24 | 4.0 | 2.6.24-5~etchnhalf.1 | vulnerable |
| Debian | linux-2.6.24 | 4.0 | 2.6.24-6~etchnhalf.1 | vulnerable |
| Debian | linux-2.6.24 | 4.0 | 2.6.24-6~etchnhalf.2 | vulnerable |
| Debian | linux-2.6.24 | 4.0 | 2.6.24-6~etchnhalf.3 | vulnerable |
| Debian | linux-2.6.24 | 4.0 | 2.6.24-6~etchnhalf.4 | vulnerable |
| Debian | linux-2.6.24 | 4.0 | 2.6.24-6~etchnhalf.5 | vulnerable |
| Debian | linux-2.6.24 | 4.0 | 2.6.24-6~etchnhalf.6 | vulnerable |
| Debian | linux-2.6.24 | 4.0 | 2.6.24-6~etchnhalf.7 | vulnerable |
| Debian | linux-2.6.24 | 4.0 | 2.6.24-6~etchnhalf.8 | vulnerable |
| Debian | linux-2.6.24 | 4.0 | 2.6.24-6~etchnhalf.8etch1 | vulnerable |
| Debian | linux-2.6.24 | 4.0 | 2.6.24-6~etchnhalf.8etch2 | vulnerable |
| Debian | linux-2.6.24 | 4.0 | 2.6.24-6~etchnhalf.8etch3 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | linux-2.6 | deb | 5.0 | 2.6.26-17lenny2 | Not reported | DSA-1862-1 | Not reported |
| Debian | linux-2.6.24 | deb | 4.0 | 2.6.24-6~etchnhalf.8etch3 | Not reported | DSA-1864-1 | Not reported |
OpenFactory catalog packages
No matching packages in this catalog.
Observed: