CVE-2009-3725 json
The connector layer in the Linux kernel before 2.6.31.5 does not require the CAP_SYS_ADMIN capability for certain interaction with the (1)…
published 2009-11-06 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-3697
- cvss
- 7.2
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 49%
- public exploits
- 0
- none known
Summary
The connector layer in the Linux kernel before 2.6.31.5 does not require the CAP_SYS_ADMIN capability for certain interaction with the (1) uvesafb, (2) pohmelfs, (3) dst, or (4) dm subsystem, which allows local users to bypass intended access restrictions and gain privileges via calls to functions in these subsystems.
Patch / fix
- linux linux_kernel 2.6.31.5
- patchwork.kernel.org/patch/51383/ advisory
- patchwork.kernel.org/patch/51387/ advisory
- patchwork.kernel.org/patch/51382/ advisory
- patchwork.kernel.org/patch/51384/ advisory
- securityfocus.com/bid/36834 advisory
Exploit prediction
0.61% chance of exploitation in the next 30 days, higher than 49% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- xorl.wordpress.com http://xorl.wordpress.com/2009/10/31/linux-kernel-multiple-capabilities-missing-checks/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-264 Permissions, Privileges, and Access Controls
- Technology feeds
References
-
patchwork.kernel.org
/patch/51383/
patch, vendor-advisory
-
patchwork.kernel.org
/patch/51387/
patch, vendor-advisory
-
patchwork.kernel.org
/patch/51382/
patch, vendor-advisory
-
patchwork.kernel.org
/patch/51384/
patch, vendor-advisory
-
securityfocus.com
/bid/36834
vdb-entry, patch, third-party-advisory
-
xorl.wordpress.com
/2009/10/31/linux-kernel-multiple-capabilities-missing-checks/
exploit, third-party-advisory
-
ubuntu.com
/usn/usn-864-1
vendor-advisory, third-party-advisory
-
kernel.org
/pub/linux/kernel/v2.6/ChangeLog-2.6.31.5
vendor-advisory
-
secunia.com
/advisories/38905
third-party-advisory
-
marc.info
/?l=linux-kernel&m=125449888416314&w=2
mailing-list, third-party-advisory
-
secunia.com
/advisories/37113
third-party-advisory
-
marc.info
/?l=oss-security&m=125716192622235&w=2
mailing-list, third-party-advisory
-
marc.info
/?l=oss-security&m=125715484511380&w=2
mailing-list, third-party-advisory
Sources
- CVE List CVE-2009-3725
- NVD CVE-2009-3725
Fencer Vulns 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.