Use of cryptographically weak pseudo-random number generator (prng) in Linux kernel - CVE-2009-3238
Published: June 20, 2024
Vulnerability identifier: #VU92657
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2009-3238
CWE-ID: CWE-338
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to use of cryptographically weak pseudo-random number generator (prng) error. A local user can gain access to sensitive information.
Affected software
Linux kernel
Ubuntu
linux-source-2.6.15 (Ubuntu package)
linux (Ubuntu package)
Ubuntu
linux-source-2.6.15 (Ubuntu package)
linux (Ubuntu package)
How to mitigate CVE-2009-3238
Install update from vendor's repository.
linux-source-2.6.15 (Ubuntu package) - update to 2.6.15-55.80
linux (Ubuntu package) - addressed in versions 2.6.24-25.63, 2.6.27-15.43, 2.6.28-16.55
linux (Ubuntu package) - addressed in versions 2.6.24-25.63, 2.6.27-15.43, 2.6.28-16.55
External References
- http://patchwork.kernel.org/patch/21766/
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.30
- https://bugzilla.redhat.com/show_bug.cgi?id=499785
- http://www.redhat.com/support/errata/RHSA-2009-1438.html
- https://bugzilla.redhat.com/show_bug.cgi?id=519692
- http://secunia.com/advisories/37351
- http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00005.html
- http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.html
- http://secunia.com/advisories/37105
- http://www.ubuntu.com/usn/USN-852-1
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11168
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03836en_us
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=8a0a9bd4db63bc45e3017bedeafbd88d0eb84d02