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CVE-2023-52975

7.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: scsi: iscsi_tcp: Fix UAF during logout when accessing the shost ipaddress Bug report and analysis from Ding Hui.

Published Mar 27, 2025CWE-416EPSS 0.30%

Overview

CVE-2023-52975 is a high-severity vulnerability. It was published on March 27, 2025 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

In the Linux kernel, the following vulnerability has been resolved:

scsi: iscsi_tcp: Fix UAF during logout when accessing the shost ipaddress

Bug report and analysis from Ding Hui.

During iSCSI session logout, if another task accesses the shost ipaddress

attr, we can get a KASAN UAF report like this:

[ 276.942144] BUG: KASAN: use-after-free in _raw_spin_lock_bh+0x78/0xe0

[ 276.942535] Write of size 4 at addr ffff8881053b45b8 by task cat/4088

[ 276.943511] CPU: 2 PID: 4088 Comm: cat Tainted: G E 6.1.0-rc8+ #3

[ 276.943997] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 11/12/2020

[ 276.944470] Call Trace:

[ 276.944943] <TASK>

[ 276.945397] dump_stack_lvl+0x34/0x48

[ 276.945887] print_address_description.constprop.0+0x86/0x1e7

[ 276.946421] print_report+0x36/0x4f

[ 276.947358] kasan_report+0xad/0x130

[ 276.948234] kasan_check_range+0x35/0x1c0

[ 276.948674] _raw_spin_lock_bh+0x78/0xe0

[ 276.949989] i

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/0af745fddefbd56198f4f35eb309215ee5f9e21eRefgit.kernel.org/stable/c/17b738590b97fb3fc287289971d1519ff9b875a1Refgit.kernel.org/stable/c/6f1d64b13097e85abda0f91b5638000afc5f9a06Refgit.kernel.org/stable/c/8859687f5b242c0b057461df0a9ff51d5500783b

How CyberStrike helps

Frequently asked questions

What is CVE-2023-52975?

CVE-2023-52975 is a high-severity vulnerability. It was published on March 27, 2025 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2023-52975?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2023-52975?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2023-52975?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-52975 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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