CVE-2006-1863: linux linux_kernel
Vulnerability summary
CVE-2006-1863 is a low (CVSS 2.1) vulnerability in linux linux_kernel. EPSS estimates a 1.04% chance of exploitation in the next 30 days, higher than 64% of scored vulnerabilities. 2 public exploits are recorded.
Weaponized exploit (exploit-database, 28-04-2006)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 2Timeline
- 25-04-2006PublishedVulnerability first disclosed.
- 07-08-2024Last modifiedVulnerability information updated.
Description
Directory traversal vulnerability in CIFS in Linux 2.6.16 and earlier allows local users to escape chroot restrictions for an SMB-mounted filesystem via "..\\" sequences, a similar vulnerability to CVE-2006-1864.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
1.04%
Chance of exploitation in the next 30 days
Percentile
64%
Versus all other CVEs
30-day change
Increase +0.02 pp
From 1.02% 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
2 foundExploit Reference (bugzilla.redhat.com)
Maturity: unknown
Linux Kernel 2.6.x - CIFS CHRoot Security Restriction Bypass
Maturity: weaponized
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
19 links- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10383VDB EntrySignatureX Refsource OVAL
- www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.16.11X Refsource CONFIRM
Show all 19 references
- www.kernel.org/gitX Refsource CONFIRM