Vulnerability · Published Jun 12, 2020 · Assigned by redhat
CVE-2020-10732
Low 3.3
In plain English
A low-severity security flaw in kernel from Linux kernel. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 50% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)3.3Low
Exploit odds (30 days)0.6%top 50.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | kernel-tools-libs-devel | 4.18.0-240.el8 | ALSA-2020:4431 |
| Debian:12 | linux | 5.6.14-2 | DEBIAN-CVE-2020-10732 |
| Debian:13 | linux | 5.6.14-2 | DEBIAN-CVE-2020-10732 |
| Debian:14 | linux | 5.6.14-2 | DEBIAN-CVE-2020-10732 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2020-10732 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2020-10732 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2020-10732 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2020-10732 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Linux kernel | kernel | introduced in commit 4206d3aa1978e44f58bfa4e1c9d8d35cbf19c187 |
Weakness: CWE-908 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
References
- openSUSE-SU-2020:0801 vendor-advisory
- openSUSE-SU-2020:0935 vendor-advisory
- USN-4411-1 vendor-advisory
- USN-4427-1 vendor-advisory
- USN-4439-1 vendor-advisory
- USN-4440-1 vendor-advisory
- USN-4485-1 vendor-advisory
- 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/ruscur/linux/commit/a95cdec9fa0c08e6eeb410d461c03af8fd1fef0a
- https://github.com/google/kmsan/issues/76
- https://twitter.com/grsecurity/status/1252558055629299712
- https://lore.kernel.org/lkml/CAG_fn=VZZ7yUxtOGzuTLkr7wmfXWtKK9BHHYawj=rt9XWnCYvg%40mail.gmail.com/
- https://security.netapp.com/advisory/ntap-20210129-0005/