Memory leak in the Red Hat Content Accelerator kernel patch in Red Hat Enterprise Linux…
Priority LOW 23CWE-399Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Complete
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-399 and the CVSS impact.
Summary
Memory leak in the Red Hat Content Accelerator kernel patch in Red Hat Enterprise Linux (RHEL) 4 and 5 allows local users to cause a denial of service (memory consumption) via a large number of open requests involving O_ATOMICLOOKUP.
Why it matters now
EPSS 0.00391 33rd percentileScored 2026-11-07
Fix Fixed Red Hat: 2 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
Remediation
Red Hat 2 advisories
- RHSA-2007:1104 Released 2007-12-19 · Red Hat rating Importantkernel security and bug fix update
- Red Hat Enterprise Linux AS version 4 kernel-2.6.9-67.0.1.EL, kernel-2.6.9-67.0.1.EL.ia64, kernel-2.6.9-67.0.1.EL.ppc64iseries +14
- Red Hat Enterprise Linux Desktop version 4 kernel-2.6.9-67.0.1.EL, kernel-devel-2.6.9-67.0.1.EL, kernel-doc-2.6.9-67.0.1.EL +8
- Red Hat Enterprise Linux ES version 4 kernel-2.6.9-67.0.1.EL, kernel-2.6.9-67.0.1.EL.ia64, kernel-devel-2.6.9-67.0.1.EL +12
- Red Hat Enterprise Linux WS version 4 kernel-2.6.9-67.0.1.EL, kernel-2.6.9-67.0.1.EL.ia64, kernel-devel-2.6.9-67.0.1.EL +12
- RHSA-2007:0993 Released 2007-11-29 · Red Hat rating Importantkernel security update
- Red Hat Enterprise Linux (v. 5 server) kernel-2.6.18-53.1.4.el5, kernel-2.6.18-53.1.4.el5.ia64, kernel-PAE-2.6.18-53.1.4.el5 +14
- Red Hat Enterprise Linux Desktop (v. 5 client) kernel-2.6.18-53.1.4.el5, kernel-PAE-2.6.18-53.1.4.el5, kernel-PAE-devel-2.6.18-53.1.4.el5 +6
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux (v. 5 server) | Fixed | RHSA-2007:0993 |
| Red Hat Enterprise Linux AS version 4 | Fixed | RHSA-2007:1104 |
| Red Hat Enterprise Linux Desktop (v. 5 client) | Fixed | RHSA-2007:0993 |
| Red Hat Enterprise Linux Desktop version 4 | Fixed | RHSA-2007:1104 |
| Red Hat Enterprise Linux ES version 4 | Fixed | RHSA-2007:1104 |
| Red Hat Enterprise Linux WS version 4 | Fixed | RHSA-2007:1104 |
Timeline
- 2026-10-02 Threatist record created from CVE-2007-5494
- 2026-10-03 Alias added: GHSA-q2pp-wpvj-9w74
References
More Red Hat Enterprise Linux vulnerabilities
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- TI-2018-10530 Code injection in [UNKNOWN] RichFaces KEVCVSS 3.1CRITICAL 9.8
- TI-2014-05975 GNU Bash through 4.3 bash43-025 processes trailing strings after certain malformed… KEVCVSS 3.1CRITICAL 9.8
- TI-2014-05157 GNU Bash through 4.3 processes trailing strings after function definitions in the values… KEVCVSS 3.1CRITICAL 9.8
- TI-2025-23530 Sudo before 1.9.17p1 allows local users to obtain root access because /etc/nsswitch.conf… KEVCVSS 3.1CRITICAL 9.3
- TI-2021-17490 mod_proxy SSRF KEVCVSS 3.1CRITICAL 9.0
Sources
- CVE-2007-5494 · CVE Program
- CVE-2007-5494 · NVD
- FIRST EPSS
- GHSA-q2pp-wpvj-9w74 · GitHub Advisory Database · CC BY 4.0
- CVE-2007-5494 · Red Hat security data · CC BY 4.0
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