01 Record
CVE-2007-2453
The random number feature in Linux kernel 2.6 before 2.6.20.13, and 2.6.21.x before 2.6.21.4, (1) does not properly seed pools when there is no entropy, or (2) uses an incorrect cast when extracting
UnratedPUBLISHEDCNA: redhat
CNA base scoreUnratedNo CNA CVSS vector
02 Description
The random number feature in Linux kernel 2.6 before 2.6.20.13, and 2.6.21.x before 2.6.21.4, (1) does not properly seed pools when there is no entropy, or (2) uses an incorrect cast when extracting
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.36% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 30.4% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- Important. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2007-06-11 23:00Z19 YR AGO
- Last updated
- 2024-08-07 13:42Z2 YR AGO
- Reserved
- 2007-05-02
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- No CWE assigned
- Data version
- 5.1
- Document digest
- bbdcd16f3e8a0a634b8dcb3e941171097dbcd13ab0c55efa529ab88ced60c7fc
05 Affected products
06 References
- www.ubuntu.comUSN-470-1http://www.ubuntu.com/usn/usn-470-1
- www.securitytracker.com1018248http://www.securitytracker.com/id?1018248
- secunia.com26664http://secunia.com/advisories/26664
- www.novell.comSUSE-SA:2007:051http://www.novell.com/linux/security/advisories/2007_51_kernel.html
- www.vupen.comADV-2007-2105http://www.vupen.com/english/advisories/2007/2105
- www.novell.comSUSE-SA:2007:043http://www.novell.com/linux/security/advisories/2007_43_kernel.html
- www.securityfocus.com24390http://www.securityfocus.com/bid/24390
- www.mandriva.comMDKSA-2007:171http://www.mandriva.com/security/advisories?name=MDKSA-2007:171
- exchange.xforce.ibmcloud.comkernel-randomnumber-weak-security(34781)https://exchange.xforce.ibmcloud.com/vulnerabilities/34781
- www.debian.orgDSA-1356http://www.debian.org/security/2007/dsa-1356
- www.mandriva.comMDKSA-2007:216http://www.mandriva.com/security/advisories?name=MDKSA-2007:216
- secunia.com26620http://secunia.com/advisories/26620
- www.ubuntu.comUSN-489-1http://www.ubuntu.com/usn/usn-489-1
- www.mandriva.comMDKSA-2007:196http://www.mandriva.com/security/advisories?name=MDKSA-2007:196
- marc.info[linux-kernel] 20070608 Linux 2.6.21.4http://marc.info/?l=linux-kernel&m=118128622431272&w=2
- secunia.com25961http://secunia.com/advisories/25961
- osvdb.org37114http://osvdb.org/37114
- secunia.com25596http://secunia.com/advisories/25596
- rhn.redhat.comRHSA-2007:0376https://rhn.redhat.com/errata/RHSA-2007-0376.html
- www.ubuntu.comUSN-486-1http://www.ubuntu.com/usn/usn-486-1
- secunia.com26450http://secunia.com/advisories/26450
- www.kernel.orghttp://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.21.4
- secunia.com25700http://secunia.com/advisories/25700
- marc.info[linux-kernel] 20070608 Linux 2.6.20.13http://marc.info/?l=linux-kernel&m=118128610219959&w=2
- oval.cisecurity.orgoval:org.mitre.oval:def:9960https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9960
- secunia.com26139http://secunia.com/advisories/26139
- secunia.com26133http://secunia.com/advisories/26133