Multiple unknown vulnerabilities in Linux kernel 2.4 and 2.6 allow local users to gain…
Priority LOW 32Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
Summary
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.
Why it matters now
EPSS 0.00424 36th percentileScored 2026-11-07
Fix Fixed Red Hat: 3 advisories
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 55
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:h:avaya:converged_communications_server:2.0:*:*:*:*:*:*:* | 2.0 | Vulnerable | Avaya |
| cpe:2.3:o:avaya:modular_messaging_message_storage_server:s3400:*:*:*:*:*:*:* | s3400 | Vulnerable | Avaya |
| cpe:2.3:o:gentoo:linux:1.4:*:*:*:*:*:*:* | 1.4 | Vulnerable | gentoo |
| cpe:2.3:o:linux:linux_kernel:2.4.18:*:*:*:*:*:*:* | 2.4.18 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.4.19:*:*:*:*:*:*:* | 2.4.19 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.4.21:*:*:*:*:*:*:* | 2.4.21 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.4.22:*:*:*:*:*:*:* | 2.4.22 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.4.23:*:*:*:*:*:*:* | 2.4.23 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.4.24:*:*:*:*:*:*:* | 2.4.24 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.4.25:*:*:*:*:*:*:* | 2.4.25 | Vulnerable | Linux |
- cpe:2.3:h:avaya:converged_communications_server:2.0:*:*:*:*:*:*:* Versions 2.0 Vulnerable ·Avaya
- cpe:2.3:o:avaya:modular_messaging_message_storage_server:s3400:*:*:*:*:*:*:* Versions s3400 Vulnerable ·Avaya
- cpe:2.3:o:gentoo:linux:1.4:*:*:*:*:*:*:* Versions 1.4 Vulnerable ·gentoo
- cpe:2.3:o:linux:linux_kernel:2.4.18:*:*:*:*:*:*:* Versions 2.4.18 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.4.19:*:*:*:*:*:*:* Versions 2.4.19 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.4.21:*:*:*:*:*:*:* Versions 2.4.21 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.4.22:*:*:*:*:*:*:* Versions 2.4.22 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.4.23:*:*:*:*:*:*:* Versions 2.4.23 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.4.24:*:*:*:*:*:*:* Versions 2.4.24 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.4.25:*:*:*:*:*:*:* Versions 2.4.25 Vulnerable ·Linux
Show 45 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:2.4.26:*:*:*:*:*:*:* | 2.4.26 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.0:*:*:*:*:*:*:* | 2.6.0 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.1:*:*:*:*:*:*:* | 2.6.1 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.1:rc1:*:*:*:*:*:* | 2.6.1 rc1 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.1:rc2:*:*:*:*:*:* | 2.6.1 rc2 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.2:*:*:*:*:*:*:* | 2.6.2 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.3:*:*:*:*:*:*:* | 2.6.3 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.4:*:*:*:*:*:*:* | 2.6.4 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.5:*:*:*:*:*:*:* | 2.6.5 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.6:*:*:*:*:*:*:* | 2.6.6 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.6:rc1:*:*:*:*:*:* | 2.6.6 rc1 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.7:*:*:*:*:*:*:* | 2.6.7 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.7:rc1:*:*:*:*:*:* | 2.6.7 rc1 | Vulnerable | Linux |
| cpe:2.3:o:redhat:enterprise_linux:2.1:*:advanced_server:*:*:*:*:* | 2.1 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:2.1:*:enterprise_server:*:*:*:*:* | 2.1 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:2.1:*:workstation:*:*:*:*:* | 2.1 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:3.0:*:advanced_servers:*:*:*:*:* | 3.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:3.0:*:enterprise_server:*:*:*:*:* | 3.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:3.0:*:workstation:*:*:*:*:* | 3.0 | Vulnerable | Red Hat |
| cpe:2.3:o:suse:suse_linux:7:*:enterprise_server:*:*:*:*:* | 7 | Vulnerable | SUSE |
| cpe:2.3:o:suse:suse_linux:8:*:enterprise_server:*:*:*:*:* | 8 | Vulnerable | SUSE |
| cpe:2.3:o:suse:suse_linux:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | SUSE |
| cpe:2.3:o:suse:suse_linux:8.0:*:i386:*:*:*:*:* | 8.0 | Vulnerable | SUSE |
| cpe:2.3:o:suse:suse_linux:8.1:*:*:*:*:*:*:* | 8.1 | Vulnerable | SUSE |
| cpe:2.3:o:suse:suse_linux:8.2:*:*:*:*:*:*:* | 8.2 | Vulnerable | SUSE |
| cpe:2.3:o:suse:suse_linux:9.0:*:*:*:*:*:*:* | 9.0 | Vulnerable | SUSE |
| cpe:2.3:o:suse:suse_linux:9.0:*:x86_64:*:*:*:*:* | 9.0 | Vulnerable | SUSE |
| cpe:2.3:o:suse:suse_linux:9.1:*:*:*:*:*:*:* | 9.1 | Vulnerable | SUSE |
| cpe:2.3:a:avaya:intuity_audix:*:*:lx:*:*:*:*:* | all versions | Vulnerable | Avaya |
| cpe:2.3:a:suse:suse_email_server:3.1:*:*:*:*:*:*:* | 3.1 | Vulnerable | SUSE |
| cpe:2.3:a:suse:suse_email_server:iii:*:*:*:*:*:*:* | iii | Vulnerable | SUSE |
| cpe:2.3:a:suse:suse_linux_admin-cd_for_firewall:*:*:*:*:*:*:*:* | all versions | Vulnerable | SUSE |
| cpe:2.3:a:suse:suse_linux_connectivity_server:*:*:*:*:*:*:*:* | all versions | Vulnerable | SUSE |
| cpe:2.3:a:suse:suse_linux_database_server:*:*:*:*:*:*:*:* | all versions | Vulnerable | SUSE |
| cpe:2.3:a:suse:suse_linux_firewall_cd:*:*:*:*:*:*:*:* | all versions | Vulnerable | SUSE |
| cpe:2.3:a:suse:suse_linux_office_server:*:*:*:*:*:*:*:* | all versions | Vulnerable | SUSE |
| cpe:2.3:a:suse:suse_office_server:*:*:*:*:*:*:*:* | all versions | Vulnerable | SUSE |
| cpe:2.3:h:avaya:s8300:r2.0.0:*:*:*:*:*:*:* | r2.0.0 | Vulnerable | Avaya |
| cpe:2.3:h:avaya:s8300:r2.0.1:*:*:*:*:*:*:* | r2.0.1 | Vulnerable | Avaya |
| cpe:2.3:h:avaya:s8500:r2.0.0:*:*:*:*:*:*:* | r2.0.0 | Vulnerable | Avaya |
| cpe:2.3:h:avaya:s8500:r2.0.1:*:*:*:*:*:*:* | r2.0.1 | Vulnerable | Avaya |
| cpe:2.3:h:avaya:s8700:r2.0.0:*:*:*:*:*:*:* | r2.0.0 | Vulnerable | Avaya |
| cpe:2.3:h:avaya:s8700:r2.0.1:*:*:*:*:*:*:* | r2.0.1 | Vulnerable | Avaya |
| cpe:2.3:o:conectiva:linux:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | Conectiva |
| cpe:2.3:o:conectiva:linux:9.0:*:*:*:*:*:*:* | 9.0 | Vulnerable | Conectiva |
- cpe:2.3:o:linux:linux_kernel:2.4.26:*:*:*:*:*:*:* Versions 2.4.26 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.0:*:*:*:*:*:*:* Versions 2.6.0 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.1:*:*:*:*:*:*:* Versions 2.6.1 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.1:rc1:*:*:*:*:*:* Versions 2.6.1 rc1 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.1:rc2:*:*:*:*:*:* Versions 2.6.1 rc2 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.2:*:*:*:*:*:*:* Versions 2.6.2 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.3:*:*:*:*:*:*:* Versions 2.6.3 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.4:*:*:*:*:*:*:* Versions 2.6.4 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.5:*:*:*:*:*:*:* Versions 2.6.5 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.6:*:*:*:*:*:*:* Versions 2.6.6 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.6:rc1:*:*:*:*:*:* Versions 2.6.6 rc1 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.7:*:*:*:*:*:*:* Versions 2.6.7 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.7:rc1:*:*:*:*:*:* Versions 2.6.7 rc1 Vulnerable ·Linux
- cpe:2.3:o:redhat:enterprise_linux:2.1:*:advanced_server:*:*:*:*:* Versions 2.1 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux:2.1:*:enterprise_server:*:*:*:*:* Versions 2.1 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux:2.1:*:workstation:*:*:*:*:* Versions 2.1 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux:3.0:*:advanced_servers:*:*:*:*:* Versions 3.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux:3.0:*:enterprise_server:*:*:*:*:* Versions 3.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux:3.0:*:workstation:*:*:*:*:* Versions 3.0 Vulnerable ·Red Hat
- cpe:2.3:o:suse:suse_linux:7:*:enterprise_server:*:*:*:*:* Versions 7 Vulnerable ·SUSE
- cpe:2.3:o:suse:suse_linux:8:*:enterprise_server:*:*:*:*:* Versions 8 Vulnerable ·SUSE
- cpe:2.3:o:suse:suse_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·SUSE
- cpe:2.3:o:suse:suse_linux:8.0:*:i386:*:*:*:*:* Versions 8.0 Vulnerable ·SUSE
- cpe:2.3:o:suse:suse_linux:8.1:*:*:*:*:*:*:* Versions 8.1 Vulnerable ·SUSE
- cpe:2.3:o:suse:suse_linux:8.2:*:*:*:*:*:*:* Versions 8.2 Vulnerable ·SUSE
- cpe:2.3:o:suse:suse_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·SUSE
- cpe:2.3:o:suse:suse_linux:9.0:*:x86_64:*:*:*:*:* Versions 9.0 Vulnerable ·SUSE
- cpe:2.3:o:suse:suse_linux:9.1:*:*:*:*:*:*:* Versions 9.1 Vulnerable ·SUSE
- cpe:2.3:a:avaya:intuity_audix:*:*:lx:*:*:*:*:* Versions all versions Vulnerable ·Avaya
- cpe:2.3:a:suse:suse_email_server:3.1:*:*:*:*:*:*:* Versions 3.1 Vulnerable ·SUSE
- cpe:2.3:a:suse:suse_email_server:iii:*:*:*:*:*:*:* Versions iii Vulnerable ·SUSE
- cpe:2.3:a:suse:suse_linux_admin-cd_for_firewall:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·SUSE
- cpe:2.3:a:suse:suse_linux_connectivity_server:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·SUSE
- cpe:2.3:a:suse:suse_linux_database_server:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·SUSE
- cpe:2.3:a:suse:suse_linux_firewall_cd:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·SUSE
- cpe:2.3:a:suse:suse_linux_office_server:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·SUSE
- cpe:2.3:a:suse:suse_office_server:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·SUSE
- cpe:2.3:h:avaya:s8300:r2.0.0:*:*:*:*:*:*:* Versions r2.0.0 Vulnerable ·Avaya
- cpe:2.3:h:avaya:s8300:r2.0.1:*:*:*:*:*:*:* Versions r2.0.1 Vulnerable ·Avaya
- cpe:2.3:h:avaya:s8500:r2.0.0:*:*:*:*:*:*:* Versions r2.0.0 Vulnerable ·Avaya
- cpe:2.3:h:avaya:s8500:r2.0.1:*:*:*:*:*:*:* Versions r2.0.1 Vulnerable ·Avaya
- cpe:2.3:h:avaya:s8700:r2.0.0:*:*:*:*:*:*:* Versions r2.0.0 Vulnerable ·Avaya
- cpe:2.3:h:avaya:s8700:r2.0.1:*:*:*:*:*:*:* Versions r2.0.1 Vulnerable ·Avaya
- cpe:2.3:o:conectiva:linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Conectiva
- cpe:2.3:o:conectiva:linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Conectiva
Remediation
Red Hat 3 advisories
- RHSA-2004:327 Released 2004-08-18 · Red Hat rating Importantkernel security update
- Red Hat Enterprise Linux AS (Advanced Server) version 2.1
- Red Hat Linux Advanced Workstation 2.1
- RHSA-2004:260 Released 2004-06-18 · Red Hat rating Importantkernel security update
- Red Hat Enterprise Linux AS (Advanced Server) version 2.1
- Red Hat Enterprise Linux ES version 2.1
- Red Hat Enterprise Linux WS version 2.1
- RHSA-2004:255 Released 2004-06-18 · Red Hat rating Importantkernel security update
- Red Hat Desktop version 3 kernel-2.4.21-15.0.2.EL, kernel-2.4.21-15.0.2.EL.athlon, kernel-2.4.21-15.0.2.EL.ia32e +14
- Red Hat Enterprise Linux AS version 3 kernel-2.4.21-15.0.2.EL, kernel-2.4.21-15.0.2.EL.athlon, kernel-2.4.21-15.0.2.EL.ia32e +22
- Red Hat Enterprise Linux ES version 3 kernel-2.4.21-15.0.2.EL, kernel-2.4.21-15.0.2.EL.athlon, kernel-2.4.21-15.0.2.EL.ia32e +18
- Red Hat Enterprise Linux WS version 3 kernel-2.4.21-15.0.2.EL, kernel-2.4.21-15.0.2.EL.athlon, kernel-2.4.21-15.0.2.EL.ia32e +18
Vendor assessments
Red Hat
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Desktop version 3 | Fixed | RHSA-2004:255 |
| Red Hat Enterprise Linux AS (Advanced Server) version 2.1 | Fixed | RHSA-2004:260 |
| Red Hat Enterprise Linux AS version 3 | Fixed | RHSA-2004:255 |
| Red Hat Enterprise Linux ES version 2.1 | Fixed | RHSA-2004:260 |
| Red Hat Enterprise Linux ES version 3 | Fixed | RHSA-2004:255 |
| Red Hat Enterprise Linux WS version 2.1 | Fixed | RHSA-2004:260 |
| Red Hat Enterprise Linux WS version 3 | Fixed | RHSA-2004:255 |
| Red Hat Linux Advanced Workstation 2.1 | Fixed | RHSA-2004:327 |
Timeline
- 2026-10-02 Threatist record created from CVE-2004-0495
- 2026-10-03 Alias added: GHSA-9v82-w8v5-2v72
References
Sources
- CVE-2004-0495 · CVE Program
- CVE-2004-0495 · NVD
- FIRST EPSS
- GHSA-9v82-w8v5-2v72 · GitHub Advisory Database · CC BY 4.0
- CVE-2004-0495 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences