Buffer overflow in ptrace in the Linux Kernel for 64-bit architectures allows local users to write bytes into kernel memory.
Conclusion & alert: CVE-2005-1763 is rated Moderate Risk (40.7/100): CVSS High severity, with low exploitation likelihood (EPSS 0.41%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.05% | 0.41% | +0.37% |
| 2 | 2023-03-07 | 1.10% | 0.05% | -1.06% |
| 3 | 2023-02-13 | — | 1.10% | — |
Full EPSS history (5 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.2 | 2.0 | HIGH |
|
3.9 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2005-1763 |
ubuntu
|
medium | CVE-2005-1763 medium priority: Ubuntu including 1 source packages (linux-source-2.6.17), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): DNE 2, needs-triage 1, not-affected 1. | https://ubuntu.com/security/CVE-2005-1763 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| novell | linux_desktop | 9 | cpe:2.3:o:novell:linux_desktop:9:*:*:*:*:*:*:* |
| suse | suse_linux | 1.0 | cpe:2.3:o:suse:suse_linux:1.0:*:desktop:*:*:*:*:* |
| suse | suse_linux | 8 | cpe:2.3:o:suse:suse_linux:8:*:enterprise_server:*:*:*:*:* |
| suse | suse_linux | 9.0 | cpe:2.3:o:suse:suse_linux:9.0:*:enterprise_server:*:*:*:*:* |