CVE-2011-1768: linux linux_kernel
Vulnerability summary
CVE-2011-1768 is a medium (CVSS 5.4) vulnerability in linux linux_kernel. EPSS estimates a 2.13% chance of exploitation in the next 30 days, higher than 81.9% of scored vulnerabilities. 1 public exploit is recorded.
Not severe (CVSS 5.4, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 3Timeline
- 13-06-2012PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
The tunnels implementation in the Linux kernel before 2.6.34, when tunnel functionality is configured as a module, allows remote attackers to cause a denial of service (OOPS) by sending a packet during module loading.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
2.13%
Chance of exploitation in the next 30 days
Percentile
82%
Versus all other CVEs
30-day change
Decrease -0.02 pp
From 2.15% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
1 foundLinux
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.
Linux1 product
- linux_kernel≤ 2.6.33.20 | 2.6.33 | 2.6.33.1 | 2.6.33.2 | 2.6.33.3 | 2.6.33.4 | 2.6.33.5 | 2.6.33.6 | 2.6.33.7 | 2.6.33.8 | 2.6.33.9 | 2.6.33.10 | 2.6.33.11 | 2.6.33.12 | 2.6.33.13 | 2.6.33.14 | 2.6.33.15 | 2.6.33.16 | 2.6.33.17 | 2.6.33.18 | 2.6.33.19
1 vendor · 1 product
References
5 links- ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.34X Refsource CONFIRM
- bugzilla.redhat.com/show_bug.cgi?id=702303X Refsource CONFIRM
- github.com/torvalds/linux/commit/d5aa407f59f5b83d2c50ec88f5bf56d40f1f8978X Refsource CONFIRMExploitPatch
- git.kernel.orgX Refsource CONFIRM