CVE-2020-10732

LOW

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.

References

http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00008.html

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10732

https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=aca969cacf07f41070d788ce2b8ca71f09d5207d

https://github.com/google/kmsan/issues/76

https://github.com/ruscur/linux/commit/a95cdec9fa0c08e6eeb410d461c03af8fd1fef0a

https://lore.kernel.org/lkml/[email protected]om/

https://twitter.com/grsecurity/status/1252558055629299712

https://usn.ubuntu.com/4411-1/

https://usn.ubuntu.com/4427-1/

https://usn.ubuntu.com/4439-1/

https://usn.ubuntu.com/4440-1/

https://usn.ubuntu.com/4485-1/

Details

Source: MITRE

Published: 2020-06-12

Updated: 2020-09-15

Type: CWE-200

Risk Information

CVSS v2.0

Base Score: 3.6

Vector: AV:L/AC:L/Au:N/C:P/I:N/A:P

Impact Score: 4.9

Exploitability Score: 3.9

Severity: LOW

CVSS v3.0

Base Score: 4.4

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L

Impact Score: 2.5

Exploitability Score: 1.8

Severity: MEDIUM