What is CVE-2023-52860?

CVE-2023-52860 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, classified as a NULL Pointer Dereference flaw (CWE-476), affecting Linux kernel versions from 6.0 onward and patched in 6.1.63, 6.5.12, 6.6.2 and others. CVE-2023-52860 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-52860?

CVE-2023-52860 has a CVSS score of 5.5 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2023-52860?

Yes, CVE-2023-52860 has been patched. Fixed versions include 6.1.63, 6.5.12, 6.6.2 and others. If you are running Linux kernel 6.0 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2023-52860 actively exploited?

CVE-2023-52860 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is NULL Pointer Dereference (CWE-476)?

The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/476.html

CVE-2023-52860

Medium

In the Linux kernel, the following vulnerability has been resolved: drivers/perf: hisi: use cpuhp_state_remove_instance_nocalls() for hisi_hns3_pmu uninit process When tearing down a 'hisi_hns3' PMU, we mistakenly run the CPU hotplug callbacks after the device has been unregistered, leading to fireworks when we try to execute empty function callbacks within the driver: | Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 | CPU: 0 PID: 15 Comm: cpuhp/0 Tainted: G W O 5.12.0-rc4+ #1 | Hardware name: , BIOS KpxxxFPGA 1P B600 V143 04/22/2021 | pstate: 80400009 (Nzcv daif +PAN -UAO -TCO BTYPE=--) | pc : perf_pmu_migrate_context+0x98/0x38c | lr : perf_pmu_migrate_context+0x94/0x38c | | Call trace: | perf_pmu_migrate_context+0x98/0x38c | hisi_hns3_pmu_offline_cpu+0x104/0x12c [hisi_hns3_pmu] Use cpuhp_state_remove_instance_nocalls() instead of cpuhp_state_remove_instance() so that the notifiers don't execute after the PMU device has been unregistered. [will: Rewrote commit message]

Package Linux Kernel

Published 2024-05-21

Last modified 2025-02-03

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

5.5

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness type

CWE-476

CVE-2023-52860 is a NULL Pointer Dereference vulnerability

What is NULL Pointer Dereference?

The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. Learn more on MITRE CWE

Affected versions

Linux kernel versions 6.0 and later are affected. Fixed in 6.1.63, 6.5.12, 6.6.2, 6.7 and their respective stable series.

Affected from

≥ 6.0

Fixed in

✓ 6.1.63 6.1.x ✓ 6.5.12 6.5.x ✓ 6.6.2 6.6.x ✓ 6.7

References

4 total

Kernel Git
https://git.kernel.org/stable/c/3f5827371763f2d9c70719c270055a81d030f3d0

Patch
Kernel Git
https://git.kernel.org/stable/c/4589403a343bb0c72a6faf5898386ff964d4e01a

Patch
Kernel Git
https://git.kernel.org/stable/c/50b560783f7f71790bcf70e9e9855155fb0af8c1

Patch
Kernel Git
https://git.kernel.org/stable/c/d04ff5437a45f275db5530efb49b68d0ec851f6f

Patch

Details

CVE ID CVE-2023-52860

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-05-21

Modified 2025-02-03

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2023-52860?

CVE-2023-52860 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as a NULL Pointer Dereference flaw (CWE-476) . It affects Linux kernel versions from 6.0 onward and has been patched in 6.1.63, 6.5.12, 6.6.2 and others. CVE-2023-52860 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-52860?

CVE-2023-52860 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2023-52860?

Yes. CVE-2023-52860 has been patched. Fixed versions include 6.1.63, 6.5.12, 6.6.2 and others. If you are running Linux kernel 6.0 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2023-52860 actively exploited?

No. CVE-2023-52860 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.