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CVE-2015-1822

UnknownEPSS 2.96%

Last modified

CVE-2015-1822 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 2.96% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability
2.96%

85.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
DebianDebian Linux7.0
TuxfamilyChrony<= 1.31

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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.
How severe is CVE-2015-1822?
Severity scoring for CVE-2015-1822 is pending analysis. The EPSS model estimates a 2.96% probability of exploitation in the next 30 days.
How do I fix CVE-2015-1822?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2015-1822?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST