PT-2024-14677 · Linux+3 · Linux Kernel+3

Jeff Moyer + 1 · Published 2023-01-31 · Updated 2025-03-11 · CVE-2023-52646

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 null-deref in the Linux kernel when mremap is called on an old aio mapping after fork, as mm->ioctx table will be set to NULL. This occurs due to a commit that made it possible to remap the aio ring. There is no information provided about the estimated number of potentially affected devices or real-world incidents where this issue was exploited.

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

Exploit

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

BDU:2025-14291

CVE-2023-52646

OESA-2024-1706

OPENSUSE-SU-2024_1644-1

SUSE-SU-2024:1643-1

SUSE-SU-2024:1644-1

SUSE-SU-2024:1646-1

SUSE-SU-2024:1870-1

SUSE-SU-2024:1983-1

SUSE-SU-2024:2008-1

SUSE-SU-2024:2184-1

SUSE-SU-2024:2190-1

SUSE-SU-2025:0834-1

SUSE-SU-2025_0834-1

Affected Products

Astra Linux

Linux Kernel

Red Os

Suse

References · 2188

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52646.json · Exploit
• 🔥 https://github.com/MaherAzzouzi/CVE-2024-26817-amdkfd · Exploit
• https://osv.dev/vulnerability/SUSE-SU-2024:1983-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2023-52646 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-52875 · Security Note
• https://git.kernel.org/stable/c/4326d0080f7e84fba775da41d158f46cf9d3f1c2 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2023-52798 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-27402 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-52677 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-47558 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-52753 · Security Note
• https://git.kernel.org/stable/c/af126acf01a12bdb04986fd26fc2eb3b40249e0d · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2024-36902 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-52646 · Security Note
• https://git.kernel.org/stable/c/d8dca1bfe9adcae38b35add64977818c0c13dd22 · Patch