CVE-2020-10732
MEDIUMCVSS 4.4/10EPSS 0.62%
Last modified
CVE-2020-10732 is a medium-severity vulnerability rated 4.4/10 on the CVSS scale. A flaw was found in the Linux kernel's implementation of Userspace core dumps. This flaw allows an attacker with a local account to crash a trivial program and exfiltrate private kernel data.. EPSS estimates a 0.62% chance of exploitation in the next 30 days.
Description
A flaw was found in the Linux kernel's implementation of Userspace core dumps. This flaw allows an attacker with a local account to crash a trivial program and exfiltrate private kernel data.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 3.16.85 |
| Linux | Linux Kernel | >= 4.4, < 4.4.226 |
| Linux | Linux Kernel | >= 4.9, < 4.9.226 |
| Linux | Linux Kernel | >= 4.14, < 4.14.183 |
| Linux | Linux Kernel | >= 4.19, < 4.19.126 |
| Linux | Linux Kernel | >= 5.4, < 5.4.44 |
| Linux | Linux Kernel | >= 5.6, < 5.6.16 |
| Opensuse | Leap | 15.1 |
| Opensuse | Leap | 15.2 |
| Canonical | Ubuntu Linux | 14.04 |
| Canonical | Ubuntu Linux | 16.04 |
| Canonical | Ubuntu Linux | 18.04 |
| Canonical | Ubuntu Linux | 20.04 |
| Netapp | Active Iq Unified Manager | >= 9.5 |
| Netapp | Hci Management Node | All versions |
| Netapp | Solidfire | All versions |
| Netapp | Steelstore Cloud Integrated Storage | All versions |
| Netapp | Aff A700 Firmware | All versions |
| Netapp | H410c Firmware | All versions |
| Netapp | H300s Firmware | All versions |
| Netapp | H500s Firmware | All versions |
| Netapp | H700s Firmware | All versions |
| Netapp | H300e Firmware | All versions |
| Netapp | H500e Firmware | All versions |
| Netapp | H700e Firmware | All versions |
| Netapp | H410s Firmware | All versions |
| Netapp | Aff 8300 Firmware | All versions |
| Netapp | Aff 8700 Firmware | All versions |
| Netapp | Aff A400 Firmware | All versions |
References
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00008.htmlMailing List, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10732Issue Tracking, Patch, Third Party Advisory
- https://github.com/google/kmsan/issues/76Issue Tracking, Third Party Advisory
- https://github.com/ruscur/linux/commit/a95cdec9fa0c08e6eeb410d461c03af8fd1fef0aPatch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210129-0005/Third Party Advisory
- https://twitter.com/grsecurity/status/1252558055629299712Third Party Advisory
- https://usn.ubuntu.com/4411-1/Third Party Advisory
- https://usn.ubuntu.com/4427-1/Third Party Advisory
- https://usn.ubuntu.com/4439-1/Third Party Advisory
- https://usn.ubuntu.com/4440-1/Third Party Advisory
- https://usn.ubuntu.com/4485-1/Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00008.htmlMailing List, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10732Issue Tracking, Patch, Third Party Advisory
- https://github.com/google/kmsan/issues/76Issue Tracking, Third Party Advisory
- https://github.com/ruscur/linux/commit/a95cdec9fa0c08e6eeb410d461c03af8fd1fef0aPatch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210129-0005/Third Party Advisory
- https://twitter.com/grsecurity/status/1252558055629299712Third Party Advisory
- https://usn.ubuntu.com/4411-1/Third Party Advisory
- https://usn.ubuntu.com/4427-1/Third Party Advisory
- https://usn.ubuntu.com/4439-1/Third Party Advisory
- https://usn.ubuntu.com/4440-1/Third Party Advisory
- https://usn.ubuntu.com/4485-1/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-10732?
A flaw was found in the Linux kernel's implementation of Userspace core dumps. This flaw allows an attacker with a local account to crash a trivial program and exfiltrate private kernel data.
How severe is CVE-2020-10732?
CVE-2020-10732 has a CVSS score of 4.4/10 (MEDIUM severity). The EPSS model estimates a 0.62% probability of exploitation in the next 30 days.
How do I fix CVE-2020-10732?
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-2020-10732?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST