CVE catalog
CVE-2009-4027
linux-2.6 - several vulnerabilities
- Severity
- Unknown
- Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 2.29% · Oct 27, 2026
Race condition in the mac80211 subsystem in the Linux kernel before 2.6.32-rc8-next-20091201 allows remote attackers to cause a denial of service (system crash) via a Delete Block ACK (aka DELBA) packet that triggers a certain state change in the absence of an aggregation session.
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 | 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 | 2.6.26-18 | vulnerable |
| Debian | linux-2.6 | 5.0 | 2.6.26-19 | vulnerable |
| Debian | linux-2.6 | 5.0 | 2.6.26-19lenny1 | vulnerable |
| Debian | linux-2.6 | 5.0 | 2.6.26-19lenny2 | vulnerable |
| Debian | linux-2.6 | 5.0 | 2.6.26-19~bpo40+1 | vulnerable |
| Debian | linux-2.6 | 5.0 | 2.6.26-20 | vulnerable |
| Debian | linux-2.6 | 5.0 | 2.6.26-20~bpo40+1 | vulnerable |
| Debian | linux-2.6 | 5.0 | 2.6.26-21 | vulnerable |
| Debian | linux-2.6 | 5.0 | 2.6.26-21lenny1 | vulnerable |
| Debian | linux-2.6 | 5.0 | 2.6.26-21lenny2 | vulnerable |
| Debian | linux-2.6 | 5.0 | 2.6.26-21~bpo40+1 | vulnerable |
| Debian | linux-2.6 | 5.0 | 2.6.26-21lenny3 | fixed |
| Debian | linux-2.6 | 6.0 | 2.6.30-8squeeze1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | linux-2.6 | deb | 5.0 | 2.6.26-21lenny3 | Not reported | DSA-1996-1 | Not reported |
| Debian | linux-2.6 | deb | 6.0 | 2.6.30-8squeeze1 | Not reported | DTSA-204-1 | Not reported |
OpenFactory catalog packages
No matching packages in this catalog.
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2024_10128-1.json]
- [https://osv.dev/vulnerability/DSA-1996-1]
- [https://osv.dev/vulnerability/DTSA-204-1]
- [https://security.access.redhat.com/data/csaf/v2/vex/2009/cve-2009-4027.json]
[FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]