NULL pointer dereference in Linux Kernel
CVE-2009-3547
Multiple race conditions in fs/pipe.c in the Linux kernel before 2.6.32-rc6 allow local users to cause a denial of service (NULL pointer dereference and system crash) or gain privileges by attempting to open an anonymous pipe via a /proc/*/fd/ pathname.
Vulnerability class: Race Condition
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.049 (91.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.049 · newest: 0.049 · change: 0.000
Affected products
- Linux Kernel — versions 2.6.32
- Novell Linux Desktop — versions 9
- VMware Esx — versions 4.0
- VMware Vma — versions 4.0
- Canonical Ubuntu Linux — versions 6.06, 8.04, 8.10
- Fedoraproject Fedora — versions 10
- openSUSE — versions 11.0, 11.2
- Red Hat Enterprise Linux Desktop — versions 3.0, 4.0, 5.0
- Red Hat Enterprise Linux Eus — versions 4.8, 5.4
- Red Hat Enterprise Linux Server — versions 3.0, 4.0, 5.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:11513 (Broken Link, signature, Third Party Advisory, vdb-entry)
- www.redhat.com/support/errata/RHSA-2009-1672.html (vendor-advisory, Broken Link)
- www.securityfocus.com/archive/1/512019/100/0/threaded (mailing-list, VDB Entry, Third Party Advisory, Broken Link)
- www.securityfocus.com/bid/36901 (Exploit, VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
- git.kernel.org/ (Broken Link)
- rhn.redhat.com/errata/RHSA-2009-1540.html (vendor-advisory, Third Party Advisory)
- www.ubuntu.com/usn/usn-864-1 (vendor-advisory, Third Party Advisory)
- secunia.com/advisories/38794 (Broken Link, third-party-advisory)
- lists.vmware.com/pipermail/security-announce/2010/000082.html (mailing-list, Mailing List, Third Party Advisory)
- lkml.org/lkml/2009/10/21/42 (mailing-list, Patch, Mailing List)
Frequently asked questions
- What is CVE-2009-3547?
- CVE-2009-3547 is a high-severity vulnerability in Linux Kernel, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.0/10. Published 2009-11-04.
- How severe is CVE-2009-3547?
- High severity. CVSS v3 base score is 7.0 out of 10.
- Is CVE-2009-3547 known to be exploited?
- 47 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.