The kill_something_info function in kernel/signal.c in the Linux kernel before 2.6.28 does not consider PID namespaces when processing signals directed to PID -1, which allows local users to bypass the intended namespace isolation, and send arbitrary signals to all processes in all namespaces, via a kill command.
Published 2009-04-22 15:30:00
Updated 2018-10-10 19:36:15
Source MITRE
View at NVD,   CVE.org

Products affected by CVE-2009-1338

Threat overview for CVE-2009-1338

Top countries where our scanners detected CVE-2009-1338
Top open port discovered on systems with this issue 52869
IPs affected by CVE-2009-1338 199,725
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2009-1338!
*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-2009-1338

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-2009-1338

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
4.6
MEDIUM AV:L/AC:L/Au:N/C:P/I:P/A:P
3.9
6.4
NIST

CWE ids for CVE-2009-1338

  • Assigned by: nvd@nist.gov (Primary)

Vendor statements for CVE-2009-1338

  • Red Hat 2009-09-10
    This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 2.1, 3, 4, and 5. It was addressed in Red Hat Enterprise MRG via https://rhn.redhat.com/errata/RHSA-2009-1081.html .
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