CVE-2011-2898: linux linux_kernel
Vulnerability summary
CVE-2011-2898 is a medium (CVSS 5.5) vulnerability in linux linux_kernel. EPSS estimates a 0.45% chance of exploitation in the next 30 days, higher than 38.9% of scored vulnerabilities.
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 3Timeline
- 24-05-2012PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
net/packet/af_packet.c in the Linux kernel before 2.6.39.3 does not properly restrict user-space access to certain packet data structures associated with VLAN Tag Control Information, which allows local users to obtain potentially sensitive information via a crafted application.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
0.45%
Chance of exploitation in the next 30 days
Percentile
39%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.45% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.
Linux1 product
- linux_kernel< 2.6.39.3
1 vendor · 1 product
References
5 links- git.kernel.orgX Refsource CONFIRM
- www.openwall.com/lists/oss-security/2011/08/03/7Mailing ListX Refsource MLISTPatchThird Party Advisory
- github.com/torvalds/linux/commit/13fcb7bd322164c67926ffe272846d4860196dc6X Refsource CONFIRMPatchThird Party Advisory
- bugzilla.redhat.com/show_bug.cgi?id=728023X Refsource CONFIRMIssue TrackingPatchThird Party Advisory