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CVE-2011-2494

14
FAUCET Score

CVE-2011-2494 describes an information disclosure vulnerability in the Linux kernel (versions prior to 3.1) within the kernel/taskstats.c component. This flaw allows local attackers to retrieve sensitive I/O statistics, potentially revealing information like the length of another user's password. With a CVSS score of 2.1, it is considered low severity, requiring local access with low attack complexity, and resulting in partial confidentiality impact. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.0.34CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
3.0.1CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.0.1:*:*:*:*:*:*:*
3.0.2CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.0.2:*:*:*:*:*:*:*
3.0.3CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.0.3:*:*:*:*:*:*:*
3.0.4CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.0.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

2.1LOW

AV:L/AC:L/Au:N/C:P/I:N/A:N

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.35%
Probability of exploitation in next 30 days
EPSS Percentile
27.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0035 is in the 30th percentile among its peer group of 2,096 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.6 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: kernel-0:2.6.18-274.12.1.el5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: kernel-0:2.6.32-131.21.1.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise MRG 2Fixed in: kernel-rt-0:2.6.33.9-rt31.79.el6rt
View patch

Vendor Advisories (1)

redhatCVE-2011-2494Low

kernel: taskstats io infoleak

Jun 21, 2011

References

git.kernel.org
lists.opensuse.org / opensuse-security-announce/2012-04/msg00021.html
bugzilla.redhat.com / show_bug.cgi
secunia.com / advisories/48898
github.com / torvalds/linux/commit/1a51410abe7d0ee4b1d112780f46df87d3621043
Patch
kernel.org / pub/linux/kernel/v3.x/ChangeLog-3.1
openwall.com / lists/oss-security/2011/06/27/1