The md driver (drivers/md/md.c) in the Linux kernel before 2.6.30.2 might allow local users to cause a denial of service (NULL pointer dereference) via vectors related to "suspend_* sysfs attributes" and the (1) suspend_lo_store or (2) suspend_hi_store functions. NOTE: this is only a vulnerability when sysfs is writable by an attacker.
Published 2009-08-18 21:00:00
Updated 2017-09-19 01:29:20
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Memory CorruptionDenial of service

Products affected by CVE-2009-2849

Threat overview for CVE-2009-2849

Top countries where our scanners detected CVE-2009-2849
Top open port discovered on systems with this issue 52869
IPs affected by CVE-2009-2849 240,568
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2009-2849!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2009-2849

0.04%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 8 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2009-2849

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
4.7
MEDIUM AV:L/AC:M/Au:N/C:N/I:N/A:C
3.4
6.9
NIST

Vendor statements for CVE-2009-2849

  • Red Hat 2009-11-04
    Red Hat is aware of this issue and is tracking it via the following bug: https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2009-2849 The flaw was introduced in kernel version 2.6.17-rc1. The Linux kernel as shipped with Red Hat Enterprise Linux 3, and 4 are not affected by this issue. It was addressed in Red Hat Enterprise MRG via: https://rhn.redhat.com/errata/RHSA-2009-1540.html A future kernel update for Red Hat Enterprise Linux 5 will address this flaw.
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