CVE-2009-3547

Advisory lineage Upstream: 0 Downstream: 10
Modified
Published: 04 Nov 2009, 15:00
Last modified:07 Aug 2024, 06:31

Vulnerability Summary

Overall Risk (default)
medium
39/100
CVSS Score
7 HIGH
v3.1 (nvd)
EPSS Score
3.15% LOW
3% probability +0.74%
KEV
Not listed
Ransomware
No reports
Public exploits
7 found
Dark Web
Not detected

Timeline

04 Nov 2009, 15:00
Published
Vulnerability first disclosed
07 Aug 2024, 06:31
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.1•HIGH•Score: 7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • v2.0•MEDIUM•Score: 6.9AV:L/AC:M/Au:N/C:C/I:C/A:C

EPSS Trends

Current EPSS score: 3.15%• Percentile: 87%

Techniques & Countermeasures

  • CWE-362•Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

    The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.

  • CWE-476•NULL Pointer Dereference

    The product dereferences a pointer that it expects to be valid but is NULL.

  • CWE-672•Operation on a Resource after Expiration or Release

    The product uses, accesses, or otherwise operates on a resource after that resource has been expired, released, or revoked.

Affected Systems

  • canonical•ubuntu_linux

    6.06 | 8.04 | 8.10 | 9.04 | 9.10

  • fedoraproject•fedora

    10

  • linux•linux_kernel

    ≤ 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•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•suse_linux_enterprise_desktop

    10:sp2

  • suse•suse_linux_enterprise_server

    10:sp2

  • vmware•esx

    4.0

  • vmware•vma

    4.0

References (29)