What’s Vulnerable › Vulnerabilities

CVE-2019-3896

• Severity: high (CVSS 7.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-06-19 · updated 2026-06-17
• Weakness: CWE-416

Description

A double-free can happen in idr_remove_all() in lib/idr.c in the Linux kernel 2.6 branch. An unprivileged local attacker can use this flaw for a privilege escalation or for a system crash and a denial of service (DoS).

Affected products

• Linux kernel: from 2.6.0 through 2.6.39.4
• RedHat Enterprise Linux Desktop: 6.0
• RedHat Enterprise Linux Server: 6.0
• RedHat Enterprise Linux Server Aus: 6.5, 6.6
• RedHat Enterprise Linux Workstation: 6.0

References

• http://www.securityfocus.com/bid/108814
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3896
• https://security.netapp.com/advisory/ntap-20190710-0002/
• https://support.f5.com/csp/article/K04327111
• http://www.securityfocus.com/bid/108814
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3896
• https://security.netapp.com/advisory/ntap-20190710-0002/
• https://support.f5.com/csp/article/K04327111

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