open(O_ATOMICLOOKUP) leaks dentry
Published Nov 30, 2007
4.9
MEDIUMCVSS 2.0
EPSS 0.39%
Description
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.
Affected products
No data.
- 4.0
- 5.0
No data.
Red Hat Enterprise Linux 4
kernel-0:2.6.9-67.0.1.EL
Fixed · RHSA-2007:1104
Red Hat Enterprise Linux 5
kernel-0:2.6.18-53.1.4.el5
Fixed · RHSA-2007:0993
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 4 | kernel-0:2.6.9-67.0.1.EL | Fixed | RHSA-2007:1104 |
| Red Hat Enterprise Linux 5 | kernel-0:2.6.18-53.1.4.el5 | Fixed | RHSA-2007:0993 |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:L/AC:L/Au:N/C:N/I:N/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.39% (0.00391) | 30.80th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.39% (0.00391) | 30.67th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.04% (0.00043) | 10.32th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.28% (0.01282) | 68.34th | v2 (v2022.01.01) |
| Feb 13, 2023 | 1.28% (0.01282) | 67.79th | v2 (v2022.01.01) |
| Feb 3, 2023 | 1.55% (0.01547) | 74.40th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.28% (0.01282) | 65.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.28% (0.01282) | 41.72th | v2 (v2022.01.01) |
References (13)
- http://osvdb.org/44153 vdb-entryx_refsource_OSVDB
- http://secunia.com/advisories/27824 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/28162 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://www.redhat.com/support/errata/RHSA-2007-0993.html vendor-advisoryx_refsource_REDHAT
- http://www.redhat.com/support/errata/RHSA-2007-1104.html vendor-advisoryx_refsource_REDHAT
- http://www.securityfocus.com/bid/26657 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1019017 vdb-entryx_refsource_SECTRACK
- https://access.redhat.com/security/cve/CVE-2007-5494 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=315051 x_refsource_CONFIRMIssue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/38823 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2007-5494
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10884 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2007-5494
Change history (0)
No recorded changes yet.