Security readout for executives and security teams
CVE-2011-2909 is a Linux kernel information disclosure issue. A local user could obtain small amounts of sensitive kernel memory through the Comedi staging driver ioctl path. This is not described as remotely exploitable, and the provided sources do not show active exploitation. Exposure is most likely on legacy systems running Linux kernels before 3.1 where the Comedi staging driver is present and reachable by local users. The provided affected-product data is incomplete and does not identify specific distributions, appliances, or vendor backports. Prioritize remediation for legacy Linux systems that allow local shell access, shared hosting, research workstations, or multi-tenant workloads. For modern supported kernels, this should mainly be a confirmation and documentation task. Mitigation focus: Upgrade to a vendor-supported kernel containing the upstream fix.; Verify whether Linux kernel 3.1 or later, or a backported fix, is deployed.; Check distribution vendor advisories for package-specific fixed versions..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2011-2909 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.1.bz2CVE reference · x_refsource_CONFIRM
- https://github.com/torvalds/linux/commit/819cbb120eaec7e014e5abd029260db1ca8c5735CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
