Vulnerability Details CVE-2015-1822
chrony before 1.31.1 does not initialize the last "next" pointer when saving unacknowledged replies to command requests, which allows remote authenticated users to cause a denial of service (uninitialized pointer dereference and daemon crash) or possibly execute arbitrary code via a large number of command requests.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.021
EPSS Ranking 83.4%
CVSS Severity
CVSS v2 Score 6.5
Products affected by CVE-2015-1822
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cpe:2.3:a:tuxfamily:chrony:1.0
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cpe:2.3:a:tuxfamily:chrony:1.1
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cpe:2.3:a:tuxfamily:chrony:1.18
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cpe:2.3:a:tuxfamily:chrony:1.19
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cpe:2.3:a:tuxfamily:chrony:1.19.99.1
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cpe:2.3:a:tuxfamily:chrony:1.19.99.2
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cpe:2.3:a:tuxfamily:chrony:1.19.99.3
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cpe:2.3:a:tuxfamily:chrony:1.20
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cpe:2.3:a:tuxfamily:chrony:1.21
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cpe:2.3:a:tuxfamily:chrony:1.23
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cpe:2.3:a:tuxfamily:chrony:1.23.1
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cpe:2.3:a:tuxfamily:chrony:1.24
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cpe:2.3:a:tuxfamily:chrony:1.25
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cpe:2.3:a:tuxfamily:chrony:1.26
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cpe:2.3:a:tuxfamily:chrony:1.27
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cpe:2.3:a:tuxfamily:chrony:1.28
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cpe:2.3:a:tuxfamily:chrony:1.29
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cpe:2.3:a:tuxfamily:chrony:1.31
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cpe:2.3:o:debian:debian_linux:7.0