CVE-2006-5755: linux linux_kernel
Vulnerability summary
CVE-2006-5755 is a medium (CVSS 4.9) vulnerability in linux linux_kernel. EPSS estimates a 0.42% chance of exploitation in the next 30 days, higher than 36.3% of scored vulnerabilities.
Not severe (CVSS 4.9, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 2Timeline
- 09-01-2007PublishedVulnerability first disclosed.
- 07-08-2024Last modifiedVulnerability information updated.
Description
Linux kernel before 2.6.18, when running on x86_64 systems, does not properly save or restore EFLAGS during a context switch, which allows local users to cause a denial of service (crash) by causing SYSENTER to set an NT flag, which can trigger a crash on the IRET of the next task.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
0.42%
Chance of exploitation in the next 30 days
Percentile
36%
Versus all other CVEs
30-day change
Increase +0.01 pp
From 0.41% 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
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: local access, no authentication (CVSS vector). Other conditions: not stated in public data.
Linux1 product
- linux_kernel≤ 2.6.17
1 vendor · 1 product
References
16 links- kernel.org/gitX Refsource CONFIRM
Show all 16 references
- www.kernel.org/pub/linux/kernel/v2.6/snapshots/patch-2.6.18-git13.logX Refsource CONFIRM
- git.kernel.orgX Refsource CONFIRM
- www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.18X Refsource CONFIRM
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9554VDB EntrySignatureX Refsource OVAL