PT-2025-37655 · Linux+1 · Linux Kernel+1

CVE-2023-53214 · Published 2023-01-21 · Updated 2025-09-16

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 A flaw exists in the Linux kernel's f2fs implementation within the update iostat latency() function. A mixup between META FLUSH and NR PAGE TYPE can lead to potential memory corruption. The issue stems from a lack of proper iotype sanity checking.

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

Exploit

Memory Corruption

Buffer Overflow

Weakness Enumeration

CWE-787

CWE-119

Related Identifiers

BDU:2026-08831

CVE-2023-53214

Affected Products

Astra Linux

Linux Kernel

References · 21

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53214.json · Exploit
• https://git.kernel.org/stable/c/20b4f3de0f3932f71b4a8daf0671e517a8d98022 · Patch
• https://git.kernel.org/stable/c/22ddbbff116ee7dce5431feb1c0f36a507d2d68d · Patch
• https://osv.dev/vulnerability/BELL-CVE-2023-53214 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-53214 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-53214 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-53214 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-53214 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2023-53214 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-53214 · Security Note
• https://git.kernel.org/stable/c/aa4d726af72a21732ce120484e0b1240674a13b3 · Patch
• https://cve.org/CVERecord?id=CVE-2023-53214 · Security Note
• https://git.kernel.org/stable/c/0dbbf0fb38d5ec5d4138d1aeaeb43d9217b9a592 · Patch
• https://bdu.fstec.ru/vul/2026-08831 · Security Note
• https://kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.5 · Note