PT-2023-9490 · Linux+2 · Linux Kernel+2

Gao Xiang · Published 2023-09-11 · Updated 2024-12-11 · CVE-2023-52526

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

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

Description The issue is related to a memory leak in the erofs component of the Linux kernel, specifically with the LZMA global compressed deduplication feature enabled. When stressing microLZMA EROFS images, short-lived temporary pages are not properly released, which could slowly cause unexpected out-of-memory (OOM) errors hours later.

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

Exploit

Memory Leak

Weakness Enumeration

CWE-401

Related Identifiers

BDU:2024-07845

CVE-2023-52526

Affected Products

Astra Linux

Linux Kernel

Red Os

References · 28

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52526.json · Exploit
• https://ubuntu.com/security/CVE-2023-52526 · Vendor Advisory
• https://git.kernel.org/stable/c/75a5221630fe5aa3fedba7a06be618db0f79ba1e · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2023-52526 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-52526 · Vendor Advisory
• https://git.kernel.org/stable/c/6a5a8f0a9740f865693d5aa97a42cc4504538e18 · Patch
• https://git.kernel.org/stable/c/c955751cbf864cf2055117dd3fe7f780d2a57b56 · Patch
• https://cve.org/CVERecord?id=CVE-2023-52526 · Security Note
• https://osv.dev/vulnerability/CVE-2023-52526 · Vendor Advisory
• https://wiki.astralinux.ru/pages/viewpage.action?pageId=319139257 · Vendor Advisory
• https://bdu.fstec.ru/vul/2024-07845 · Security Note
• https://wiki.astralinux.ru/astra-linux-se47-bulletin-2024-1031SE47 · Vendor Advisory
• https://osv.dev/vulnerability/BELL-CVE-2023-52526 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2023-52526 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-52526 · Vendor Advisory