PT-2024-14591 · Linux+2 · Linux Kernel+2

Luosili · Published 2023-10-04 · Updated 2024-11-05 · CVE-2023-52479

Positive Technologies (AI Summary)

CVSS v3.1

7.1

High

Base vector

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

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

Description A use-after-free (uaf) vulnerability has been resolved in the Linux kernel, specifically in the ksmbd module. The issue is related to the smb20 oplock break ack function, where a reference is dropped after using opinfo.

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

Exploit

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

BDU:2025-07508

CVE-2023-52479

OESA-2024-1394

OESA-2024-1395

OESA-2024-1396

OESA-2024-1397

Affected Products

Astra Linux

Linux Kernel

Red Os

References · 55

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52479.json · Exploit
• https://git.kernel.org/stable/c/c69813471a1ec081a0b9bf0c6bd7e8afd818afce · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2024-26593 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-52476 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-52462 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-52469 · Security Note
• https://ubuntu.com/security/CVE-2023-52479 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-52479 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-26597 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-52457 · Security Note
• https://osv.dev/vulnerability/OESA-2024-1396 · Vendor Advisory
• https://git.kernel.org/stable/c/d5b0e9d3563e7e314a850e81f42b2ef6f39882f9 · Patch
• https://osv.dev/vulnerability/BELL-CVE-2023-52479 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-26606 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-52601 · Security Note