VulnerabilityModified
CVE-2020-36691
An issue was discovered in the Linux kernel before 5.8. lib/nlattr.c allows attackers to cause a denial of service (unbounded recursion) via a nested Netlink policy with a back reference.
MEDIUM 5.5EPSS 0.24%
Does this matter?
Lower severity and a low EPSS score (0.24%). Track it; it rarely justifies an emergency change on its own.
Description
An issue was discovered in the Linux kernel before 5.8. lib/nlattr.c allows attackers to cause a denial of service (unbounded recursion) via a nested Netlink policy with a back reference.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.24% probability · 15th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-674
- Affected
- linux/linux kernel
- Source
- cve@mitre.org
References
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8Release Notes
- https://github.com/torvalds/linux/commit/7690aa1cdf7c4565ad6b013b324c28b685505e24Patch
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8Release Notes
- https://github.com/torvalds/linux/commit/7690aa1cdf7c4565ad6b013b324c28b685505e24Patch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.