Home/CVE/A double-free can happen in idr_remove_all() in lib/idr.c in the Linux kernel 2.6 branch. An unprivileged local attacker
CVE

CVE-2019-3896

A double-free can happen in idr_remove_all() in lib/idr.c in the Linux kernel 2.6 branch. An unprivileged local attacker

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).

HIGH · CVSS 7 EPSS 0.00063
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-415Double Free
CWE-416Use After Free
▤

Affected Products & Versions

5
linux kernel>= 2.6.0 and <= 2.6.39.4
redhat enterprise linux desktopall versions
redhat enterprise linux serverall versions
redhat enterprise linux server ausall versions
redhat enterprise linux workstationall versions
▣

Scoring & Timeline

7
HIGH · CVSS v3.0 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD19 Jun 2019 · 12:15 AM
CVSS VectorCVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

4
suse-csafSUSE-SU-2019:14127-1
rhsaRHSA-2019:1489Important
rhsaRHSA-2019:1488Important
rhsaRHSA-2019:1490Important
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securityfocus.com/bid/108814Third Party AdvisoryVDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3896Issue TrackingThird Party Advisory
https://security.netapp.com/advisory/ntap-20190710-0002/
https://support.f5.com/csp/article/K04327111
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