PT-2024-10833 · Linux · Linux Kernel

Dan Carpenter · Published 2021-03-22 · Updated 2024-12-06 · CVE-2020-36785

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description The issue is related to a use after free in the atomisp alloc css stat bufs() function. The "s3a buf" is freed along with all the other items on the "asd->s3a stats" list, leading to a double free and a use after free.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Use After Free

Double Free

Weakness Enumeration

CWE-416

CWE-415

Related Identifiers

BDU:2025-02848

CVE-2020-36785

Affected Products

Linux Kernel

References · 23

• https://security-tracker.debian.org/tracker/CVE-2020-36785 · Vendor Advisory
• https://git.kernel.org/stable/c/8267ccd7b9df7ab682043507dd682fe0621cf045 · Patch
• https://osv.dev/vulnerability/DEBIAN-CVE-2020-36785 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-36785 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-36785 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-36785 · Vendor Advisory
• https://git.kernel.org/stable/c/d218c7a0284f6b92a7b82d2e19706e18663b4193 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2020-36785 · Security Note
• https://git.kernel.org/stable/c/ba11bbf303fafb33989e95473e409f6ab412b18d · Patch
• https://git.kernel.org/stable/c/801c1d505894008c888bc71d08d5cff5d87f8aba · Patch
• https://cve.org/CVERecord?id=CVE-2020-36785 · Security Note
• https://bdu.fstec.ru/vul/2025-02848 · Security Note
• https://git.linuxtesting.ru/pub/scm/linux/kernel/git/lvc/linux-stable.git/commit/?h=v5.10.176-lvc1&id=d218c7a0284f6b92a7b82d2e19706e18663b4193 · Note
• https://lore.kernel.org/linux-cve-announce/2024022821-CVE-2020-36785-96c7@gregkh · Note
• https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.21 · Note