PT-2023-9763 · Linux+3 · Linux Kernel+3

Dmitry Safonov + 2 · Published 2023-01-23 · Updated 2024-11-25 · CVE-2023-52746

Positive Technologies (AI Summary)

CVSS v3.1

2.5

Low

Base vector

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

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

Description The issue is related to a potential Spectre v1 gadget in the xfrm xlate32 attr() function. This could allow an attacker to leak kernel memory content to malicious users. The vulnerability is caused by the use of the type variable as an array index, which can be exploited to bypass security measures. The array index nospec() function can be used to prevent this type of attack.

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:2024-10501

CVE-2023-52746

OESA-2024-1706

SUSE-SU-2024:2008-1

SUSE-SU-2024:2019-1

SUSE-SU-2024:2190-1

Affected Products

Astra Linux

Linux Kernel

Red Os

Suse

References · 1255

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52746.json · Exploit
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-52746 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-48652 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-52800 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-35855 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-52803 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2024:2019-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-35809 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-36902 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-47558 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-36924 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-35973 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-52798 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-36889 · Security Note
• https://osv.dev/vulnerability/OESA-2024-1706 · Vendor Advisory