Vulnerability · Published Nov 28, 2020 · Assigned by mitre

CVE-2020-29372

Medium 4.7

In plain English

A medium-severity race condition in the linux package (Debian). Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 34% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)4.7Medium
Exploit odds (30 days)0.4%top 65.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

An issue was discovered in do_madvise in mm/madvise.c in the Linux kernel before 5.6.8. There is a race condition between coredump operations and the IORING_OP_MADVISE implementation, aka CID-bc0c4d1e176e.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux5.6.14-1DEBIAN-CVE-2020-29372
Debian:13linux5.6.14-1DEBIAN-CVE-2020-29372
Debian:14linux5.6.14-1DEBIAN-CVE-2020-29372

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

Weakness: CWE-362 · Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

References