CVE-2020-25285

 

Published at: - 13-09-2020 08:15

Last modified: - 26-10-2022 01:44

Total changes: - 5

Description

A race condition between hugetlb sysctl handlers in mm/hugetlb.c in the Linux kernel before 5.8.8 could be used by local attackers to corrupt memory, cause a NULL pointer dereference, or possibly have unspecified other impact, aka CID-17743798d812.

Common Vulnerability Scoring System (CVSS)

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

 

Verification logic

 

Reference

• https://twitter.com/grsecurity/status/1303749848898904067
• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=17743798d81238ab13050e8e2833699b54e15467
• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.8
• [debian-lts-announce] 20200928 [SECURITY] [DLA 2385-1] linux-4.19 security update-Mailing List, Third Party Advisory
• https://security.netapp.com/advisory/ntap-20201009-0002/
• USN-4576-1-Third Party Advisory
• USN-4579-1-Third Party Advisory
• [debian-lts-announce] 20201031 [SECURITY] [DLA 2420-2] linux regression update-Mailing List, Third Party Advisory
• [debian-lts-announce] 20201030 [SECURITY] [DLA 2420-1] linux security update-Mailing List, Third Party Advisory

 

Keywords

NVD

 

CVE-2020-25285

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures