Multiple unknown vulnerabilities in Linux kernel 2.4 and 2.6 allow local users to gain privileges or access kernel memory, as found by the Sparse source code checking tool.
Conclusion & alert: CVE-2004-0495 is rated Low Risk (35/100): CVSS High severity, with low exploitation likelihood (EPSS 0.06%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
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 | 2025-05-18 | 0.04% | 0.06% | +0.01% |
| 2 | 2023-03-07 | 1.28% | 0.04% | -1.24% |
| 3 | 2022-02-04 | — | 1.28% | — |
Full EPSS history (3 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 |
|---|---|---|---|
gentoo
|
high | CVE-2004-0495: 1 GLSA(s) (200407-02), 36 atom(s) (sys-kernel/aa-sources, sys-kernel/alpha-sources, …); latest impact high. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2004-0495 |
redhat
|
— | — | https://access.redhat.com/security/cve/CVE-2004-0495 |
ubuntu
|
medium | CVE-2004-0495 medium priority: Ubuntu including 1 source packages (kernel-source-2.4.27), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): released 2, DNE 1, needs-triage 1. | https://ubuntu.com/security/CVE-2004-0495 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| avaya | converged_communications_server | 2.0 | cpe:2.3:h:avaya:converged_communications_server:2.0:*:*:*:*:*:*:* |
| avaya | modular_messaging_message_storage_server | s3400 | cpe:2.3:o:avaya:modular_messaging_message_storage_server:s3400:*:*:*:*:*:*:* |
| gentoo | linux | 1.4 | cpe:2.3:o:gentoo:linux:1.4:*:*:*:*:*:*:* |
| linux | linux_kernel | 2.4.18 | cpe:2.3:o:linux:linux_kernel:2.4.18:*:*:*:*:*:*:* |
| linux | linux_kernel | 2.4.19 | cpe:2.3:o:linux:linux_kernel:2.4.19:*:*:*:*:*:*:* |
| linux | linux_kernel | 2.4.21 | cpe:2.3:o:linux:linux_kernel:2.4.21:*:*:*:*:*:*:* |
| linux | linux_kernel | 2.4.22 | cpe:2.3:o:linux:linux_kernel:2.4.22:*:*:*:*:*:*:* |
| linux | linux_kernel | 2.4.23 | cpe:2.3:o:linux:linux_kernel:2.4.23:*:*:*:*:*:*:* |
| linux | linux_kernel | 2.4.24 | cpe:2.3:o:linux:linux_kernel:2.4.24:*:*:*:*:*:*:* |
| linux | linux_kernel | 2.4.25 | cpe:2.3:o:linux:linux_kernel:2.4.25:*:*:*:*:*:*:* |
| linux | linux_kernel | 2.4.26 | cpe:2.3:o:linux:linux_kernel:2.4.26:*:*:*:*:*:*:* |
| linux | linux_kernel | 2.6.0 | cpe:2.3:o:linux:linux_kernel:2.6.0:*:*:*:*:*:*:* |
| linux | linux_kernel | 2.6.1 | cpe:2.3:o:linux:linux_kernel:2.6.1:*:*:*:*:*:*:* |
| linux | linux_kernel | 2.6.1 | cpe:2.3:o:linux:linux_kernel:2.6.1:rc1:*:*:*:*:*:* |
| linux | linux_kernel | 2.6.1 | cpe:2.3:o:linux:linux_kernel:2.6.1:rc2:*:*:*:*:*:* |
| linux | linux_kernel | 2.6.2 | cpe:2.3:o:linux:linux_kernel:2.6.2:*:*:*:*:*:*:* |
| linux | linux_kernel | 2.6.3 | cpe:2.3:o:linux:linux_kernel:2.6.3:*:*:*:*:*:*:* |
| linux | linux_kernel | 2.6.4 | cpe:2.3:o:linux:linux_kernel:2.6.4:*:*:*:*:*:*:* |
| linux | linux_kernel | 2.6.5 | cpe:2.3:o:linux:linux_kernel:2.6.5:*:*:*:*:*:*:* |
| linux | linux_kernel | 2.6.6 | cpe:2.3:o:linux:linux_kernel:2.6.6:*:*:*:*:*:*:* |
| linux | linux_kernel | 2.6.6 | cpe:2.3:o:linux:linux_kernel:2.6.6:rc1:*:*:*:*:*:* |
| linux | linux_kernel | 2.6.7 | cpe:2.3:o:linux:linux_kernel:2.6.7:*:*:*:*:*:*:* |
| linux | linux_kernel | 2.6.7 | cpe:2.3:o:linux:linux_kernel:2.6.7:rc1:*:*:*:*:*:* |
| redhat | enterprise_linux | 2.1 | cpe:2.3:o:redhat:enterprise_linux:2.1:*:advanced_server:*:*:*:*:* |
| redhat | enterprise_linux | 2.1 | cpe:2.3:o:redhat:enterprise_linux:2.1:*:enterprise_server:*:*:*:*:* |
| redhat | enterprise_linux | 2.1 | cpe:2.3:o:redhat:enterprise_linux:2.1:*:workstation:*:*:*:*:* |
| redhat | enterprise_linux | 3.0 | cpe:2.3:o:redhat:enterprise_linux:3.0:*:advanced_servers:*:*:*:*:* |
| redhat | enterprise_linux | 3.0 | cpe:2.3:o:redhat:enterprise_linux:3.0:*:enterprise_server:*:*:*:*:* |
| redhat | enterprise_linux | 3.0 | cpe:2.3:o:redhat:enterprise_linux:3.0:*:workstation:*:*:*:*:* |
| suse | suse_linux | 7 | cpe:2.3:o:suse:suse_linux:7:*:enterprise_server:*:*:*:*:* |
| suse | suse_linux | 8 | cpe:2.3:o:suse:suse_linux:8:*:enterprise_server:*:*:*:*:* |
| suse | suse_linux | 8.0 | cpe:2.3:o:suse:suse_linux:8.0:*:*:*:*:*:*:* |
| suse | suse_linux | 8.0 | cpe:2.3:o:suse:suse_linux:8.0:*:i386:*:*:*:*:* |
| suse | suse_linux | 8.1 | cpe:2.3:o:suse:suse_linux:8.1:*:*:*:*:*:*:* |
| suse | suse_linux | 8.2 | cpe:2.3:o:suse:suse_linux:8.2:*:*:*:*:*:*:* |
| suse | suse_linux | 9.0 | cpe:2.3:o:suse:suse_linux:9.0:*:*:*:*:*:*:* |
| suse | suse_linux | 9.0 | cpe:2.3:o:suse:suse_linux:9.0:*:x86_64:*:*:*:*:* |
| suse | suse_linux | 9.1 | cpe:2.3:o:suse:suse_linux:9.1:*:*:*:*:*:*:* |
| avaya | intuity_audix | — | cpe:2.3:a:avaya:intuity_audix:*:*:lx:*:*:*:*:* |
| suse | suse_email_server | 3.1 | cpe:2.3:a:suse:suse_email_server:3.1:*:*:*:*:*:*:* |
| suse | suse_email_server | iii | cpe:2.3:a:suse:suse_email_server:iii:*:*:*:*:*:*:* |
| suse | suse_linux_admin-cd_for_firewall | — | cpe:2.3:a:suse:suse_linux_admin-cd_for_firewall:*:*:*:*:*:*:*:* |
| suse | suse_linux_connectivity_server | — | cpe:2.3:a:suse:suse_linux_connectivity_server:*:*:*:*:*:*:*:* |
| suse | suse_linux_database_server | — | cpe:2.3:a:suse:suse_linux_database_server:*:*:*:*:*:*:*:* |
| suse | suse_linux_firewall_cd | — | cpe:2.3:a:suse:suse_linux_firewall_cd:*:*:*:*:*:*:*:* |
| suse | suse_linux_office_server | — | cpe:2.3:a:suse:suse_linux_office_server:*:*:*:*:*:*:*:* |
| suse | suse_office_server | — | cpe:2.3:a:suse:suse_office_server:*:*:*:*:*:*:*:* |
| avaya | s8300 | r2.0.0 | cpe:2.3:h:avaya:s8300:r2.0.0:*:*:*:*:*:*:* |
| avaya | s8300 | r2.0.1 | cpe:2.3:h:avaya:s8300:r2.0.1:*:*:*:*:*:*:* |
| avaya | s8500 | r2.0.0 | cpe:2.3:h:avaya:s8500:r2.0.0:*:*:*:*:*:*:* |
| avaya | s8500 | r2.0.1 | cpe:2.3:h:avaya:s8500:r2.0.1:*:*:*:*:*:*:* |
| avaya | s8700 | r2.0.0 | cpe:2.3:h:avaya:s8700:r2.0.0:*:*:*:*:*:*:* |
| avaya | s8700 | r2.0.1 | cpe:2.3:h:avaya:s8700:r2.0.1:*:*:*:*:*:*:* |
| conectiva | linux | 8.0 | cpe:2.3:o:conectiva:linux:8.0:*:*:*:*:*:*:* |
| conectiva | linux | 9.0 | cpe:2.3:o:conectiva:linux:9.0:*:*:*:*:*:*:* |