What’s Vulnerable › Vulnerabilities
CVE-2009-3547
- Severity: high (CVSS 7.0 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 4.9% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2009-11-04 · updated 2026-06-16
- Weakness: CWE-362
Description
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.
Affected products
- Canonical Ubuntu Linux: 6.06, 8.04, 8.10, 9.04, 9.10
- Fedoraproject Fedora: 10
- Linux kernel: through 2.6.31.14; 2.6.32, 2.6.32-rc1, 2.6.32-rc2, 2.6.32-rc3, 2.6.32-rc4, 2.6.32-rc5
- Novell Linux Desktop: 9
- Opensuse: 11.0, 11.2
- RedHat Enterprise Linux Desktop: 3.0, 4.0, 5.0
- RedHat Enterprise Linux Eus: 4.8, 5.4
- RedHat Enterprise Linux Server: 3.0, 4.0, 5.0
- RedHat Enterprise Linux Workstation: 3.0, 4.0, 5.0
- RedHat Mrg Realtime: 1.0
- Suse Linux Enterprise Desktop: 10-sp2
- SUSE Linux Enterprise: 10-sp2
- VMware ESX: 4.0
- VMware Vma: 4.0
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ad3960243e55320d74195fb85c975e0a8cc4466c
- http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00005.html
- http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00007.html
- http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.html
- http://lists.vmware.com/pipermail/security-announce/2010/000082.html
- http://lkml.org/lkml/2009/10/14/184
- http://lkml.org/lkml/2009/10/21/42
- http://marc.info/?l=oss-security&m=125724568017045&w=2
- http://secunia.com/advisories/37351
- http://secunia.com/advisories/38017
- http://secunia.com/advisories/38794
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