CVE catalog
CVE-2011-2495
linux-2.6 - several issues
- Severity
- Unknown
- Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 0.48% · Oct 27, 2026
fs/proc/base.c in the Linux kernel before 2.6.39.4 does not properly restrict access to /proc/#####/io files, which allows local users to obtain sensitive I/O statistics by polling a file, as demonstrated by discovering the length of another user's password. kernel: /proc/PID/io infoleak This has been addressed in Red Hat Enterprise Linux 5, 6 and Red Hat Enterprise MRG via https://rhn.redhat.com/errata/RHSA-2011-1212.html, https://rhn.redhat.com/errata/RHSA-2011-1189.html, and https://rhn.redhat.com/errata/RHSA-2011-1253.html. Red Hat Enterprise Linux 4 is now in Production 3 of the maintenance life-cycle, https://access.redhat.com/support/policy/updates/errata/, therefore the fix for this issue is not currently planned to be included in the future updates. 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 | 6.0 | 2.6.32-30 | vulnerable |
| Debian | linux-2.6 | 6.0 | 2.6.32-30+m68k.5 | vulnerable |
| Debian | linux-2.6 | 6.0 | 2.6.32-31 | vulnerable |
| Debian | linux-2.6 | 6.0 | 2.6.32-31~bpo50+1 | vulnerable |
| Debian | linux-2.6 | 6.0 | 2.6.32-32 | vulnerable |
| Debian | linux-2.6 | 6.0 | 2.6.32-33 | vulnerable |
| Debian | linux-2.6 | 6.0 | 2.6.32-34 | vulnerable |
| Debian | linux-2.6 | 6.0 | 2.6.32-34squeeze1 | vulnerable |
| Debian | linux-2.6 | 6.0 | 2.6.32-35 | vulnerable |
| Debian | linux-2.6 | 6.0 | 2.6.32-35~bpo50+1 | vulnerable |
| Debian | linux-2.6 | 6.0 | 2.6.32-35squeeze1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | linux-2.6 | deb | 6.0 | 2.6.32-35squeeze1 | Not reported | DSA-2303-1 | Not reported |
OpenFactory catalog packages
No matching packages in this catalog.
Observed: