Impact: Important Public Date: 2019-06-17 CWE: CWE-416 Bugzilla: 1694812: CVE-2019-3896 kernel: Double free in lib/idr.c A double-free can happen in idr_remove_all() in lib/idr.c in the Linux kernel. An unprivileged local attacker can use this flaw for a privilege escalation or for a system crash and a denial of service (DoS).
Find out more about CVE-2019-3896 from the MITRE CVE dictionary dictionary and NIST NVD.
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
| CVSS3 Base Score | 7 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
| Attack Vector | Local |
| Attack Complexity | High |
| Privileges Required | Low |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity Impact | High |
| Availability Impact | High |
| Platform | Errata | Release Date |
|---|---|---|
| Red Hat Enterprise Linux Advanced Update Support 6.6 (kernel) | RHSA-2019:1489 | 2019-06-17 |
| Red Hat Enterprise Linux Advanced Update Support 6.5 (kernel) | RHSA-2019:1490 | 2019-06-17 |
| Red Hat Enterprise Linux 6 (kernel) | RHSA-2019:1488 | 2019-06-17 |
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise MRG 2 | realtime-kernel | Not affected |
| Red Hat Enterprise Linux 8 | kernel | Not affected |
| Red Hat Enterprise Linux 8 | kernel-rt | Not affected |
| Red Hat Enterprise Linux 7 | kernel-alt | Not affected |
| Red Hat Enterprise Linux 7 | kernel | Not affected |
| Red Hat Enterprise Linux 7 | kernel-rt | Not affected |
| Red Hat Enterprise Linux 5 | kernel | Out of support scope |
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