PT-2025-37890 · Linux+3 · Linux Kernel+3

Published 2023-05-13 · Updated 2025-09-29 · CVE-2023-53285

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 Linux kernel contains an issue in the ext4 filesystem related to bounds checking within the get max inline xattr value size() function. A corruption of the inode table can occur if writing to the block device while the filesystem is mounted bypasses initial extended attribute checks. This can lead to reading beyond allocated memory.

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

Exploit

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

ALSA-2025_16880

BDU:2026-02191

CVE-2023-53285

RHSA-2024:2394

RHSA-2024_2394

Affected Products

Astra Linux

Linux Kernel

Red Hat

Ext4

References · 34

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53285.json · Exploit
• https://git.kernel.org/stable/c/3d7b8fbcd2273e2b9f4c6de5ce2f4c0cd3cb1205 · Patch
• https://git.kernel.org/stable/c/486efbbc9445dca7890a1b86adbccb88b91284b0 · Patch
• https://git.kernel.org/stable/c/4597554b4f7b29e7fd78aa449bab648f8da4ee2c · Patch
• https://git.kernel.org/stable/c/e780058bd75614b66882bc02620ddbd884171560 · Patch
• https://ubuntu.com/security/CVE-2023-53285 · Vendor Advisory
• https://osv.dev/vulnerability/BELL-CVE-2023-53285 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-53285 · Vendor Advisory
• https://git.kernel.org/stable/c/2220eaf90992c11d888fe771055d4de330385f01 · Patch
• https://git.kernel.org/stable/c/1d2caddbeeee56fbbc36b428c5b909c3ad88eb7f · Patch
• https://cve.org/CVERecord?id=CVE-2023-53285 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-53285 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-53285 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-53285 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2023-53285 · Vendor Advisory