Is CVE-2023-52670 in the CISA KEV catalog?

No. CVE-2023-52670 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-52670?

CVE-2023-52670 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2023-52670?

CVE-2023-52670 has an EPSS score of 0.29% (20th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-52670?

Upgrade linux on debian 11 to 5.10.216-1 or later. Fixes are available for 65 affected products.

CVE & CISA-KEV Catalog

CVE-2023-52670

MEDIUM

5.5

CVSS v3

NVD

Description

In the Linux kernel, the following vulnerability has been resolved: rpmsg: virtio: Free driver_override when rpmsg_remove() Free driver_override when rpmsg_remove(), otherwise the following memory leak will occur: unreferenced object 0xffff0000d55d7080 (size 128): comm "kworker/u8:2", pid 56, jiffies 4294893188 (age 214.272s) hex dump (first 32 bytes): 72 70 6d 73 67 5f 6e 73 00 00 00 00 00 00 00 00 rpmsg_ns........ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000009c94c9c1>] __kmem_cache_alloc_node+0x1f8/0x320 [<000000002300d89b>] __kmalloc_node_track_caller+0x44/0x70 [<00000000228a60c3>] kstrndup+0x4c/0x90 [<0000000077158695>] driver_set_override+0xd0/0x164 [<000000003e9c4ea5>] rpmsg_register_device_override+0x98/0x170 [<000000001c0c89a8>] rpmsg_ns_register_device+0x24/0x30 [<000000008bbf8fa2>] rpmsg_probe+0x2e0/0x3ec [<00000000e65a68df>] virtio_dev_probe+0x1c0/0x280 [<00000000443331cc>] really_probe+0xbc/0x2dc [<00000000391064b1>] __driver_probe_device+0x78/0xe0 [<00000000a41c9a5b>] driver_probe_device+0xd8/0x160 [<000000009c3bd5df>] __device_attach_driver+0xb8/0x140 [<0000000043cd7614>] bus_for_each_drv+0x7c/0xd4 [<000000003b929a36>] __device_attach+0x9c/0x19c [<00000000a94e0ba8>] device_initial_probe+0x14/0x20 [<000000003c999637>] bus_probe_device+0xa0/0xac

CWE-401Missing Release of Memory (Memory Leak)

How to fix

Remediation Available

linuxDebian

Fixed in:5.10.216-1CVE-2023-52670

Fixed in:6.1.76-1CVE-2023-52670

Fixed in:6.6.15-1CVE-2023-52670

linuxUbuntu

Fixed in:6.5.0-41.41USN-6818-1

linux-awsUbuntu

Fixed in:6.5.0-1021.21USN-6819-2

linux-azureUbuntu

Fixed in:6.5.0-1022.23USN-6819-1

linux-azure-6.5Ubuntu

Fixed in:6.5.0-1022.23~22.04.1USN-6819-1

linux-gcpUbuntu

Fixed in:6.5.0-1022.24USN-6818-1

linux-gcp-6.5Ubuntu

Fixed in:6.5.0-1022.24~22.04.1USN-6818-1

linux-hwe-6.5Ubuntu

Fixed in:6.5.0-41.41~22.04.2USN-6818-4

linux-image-6.5.0-1015-starfiveUbuntu

Fixed in:6.5.0-1015.16~22.04.1USN-6819-1

Fixed in:6.5.0-1015.16USN-6819-1

linux-image-6.5.0-1017-laptopUbuntu

Fixed in:6.5.0-1017.20USN-6818-2

linux-image-6.5.0-1018-raspiUbuntu

Fixed in:6.5.0-1018.21USN-6818-1

linux-image-6.5.0-1021-awsUbuntu

Fixed in:6.5.0-1021.21USN-6819-2

linux-image-6.5.0-1021-nvidiaUbuntu

Fixed in:6.5.0-1021.22USN-6818-3

linux-image-6.5.0-1021-nvidia-64kUbuntu

Fixed in:6.5.0-1021.22USN-6818-3

linux-image-6.5.0-1022-azureUbuntu

Fixed in:6.5.0-1022.23~22.04.1USN-6819-1

Fixed in:6.5.0-1022.23USN-6819-1

linux-image-6.5.0-1022-azure-fdeUbuntu

Fixed in:6.5.0-1022.23~22.04.1USN-6819-1

Fixed in:6.5.0-1022.23USN-6819-1

linux-image-6.5.0-1022-gcpUbuntu

Fixed in:6.5.0-1022.24~22.04.1USN-6818-1

Fixed in:6.5.0-1022.24USN-6818-1

linux-image-6.5.0-1024-oemUbuntu

Fixed in:6.5.0-1024.25USN-6819-3

linux-image-6.5.0-1024-oracleUbuntu

Fixed in:6.5.0-1024.24~22.04.1USN-6819-4

Fixed in:6.5.0-1024.24USN-6819-2

linux-image-6.5.0-1024-oracle-64kUbuntu

Fixed in:6.5.0-1024.24~22.04.1USN-6819-4

Fixed in:6.5.0-1024.24USN-6819-2

linux-image-6.5.0-41-genericUbuntu

Fixed in:6.5.0-41.41~22.04.2USN-6818-4

Fixed in:6.5.0-41.41USN-6818-1

linux-image-6.5.0-41-generic-64kUbuntu

Fixed in:6.5.0-41.41~22.04.2USN-6818-4

Fixed in:6.5.0-41.41USN-6818-1

linux-image-6.5.0-41-lowlatencyUbuntu

Fixed in:6.5.0-41.41.1~22.04.1USN-6818-1

Fixed in:6.5.0-41.41.1USN-6818-1

linux-image-6.5.0-41-lowlatency-64kUbuntu

Fixed in:6.5.0-41.41.1~22.04.1USN-6818-1

Fixed in:6.5.0-41.41.1USN-6818-1

linux-image-awsUbuntu

Fixed in:6.5.0.1021.21USN-6819-2

linux-image-azureUbuntu

Fixed in:6.5.0.1022.23~22.04.1USN-6819-1

Fixed in:6.5.0.1022.26USN-6819-1

linux-image-azure-fdeUbuntu

Fixed in:6.5.0.1022.23~22.04.1USN-6819-1

Fixed in:6.5.0.1022.26USN-6819-1

linux-image-gcpUbuntu

Fixed in:6.5.0.1022.24~22.04.1USN-6818-1

Fixed in:6.5.0.1022.24USN-6818-1

linux-image-genericUbuntu

Fixed in:6.5.0.41.41USN-6818-1

linux-image-generic-64kUbuntu

Fixed in:6.5.0.41.41USN-6818-1

linux-image-generic-64k-hwe-22.04Ubuntu

Fixed in:6.5.0.41.41~22.04.2USN-6818-4

linux-image-generic-hwe-22.04Ubuntu

Fixed in:6.5.0.41.41~22.04.2USN-6818-4

linux-image-generic-lpaeUbuntu

Fixed in:6.5.0.41.41USN-6818-1

linux-image-kvmUbuntu

Fixed in:6.5.0.41.41USN-6818-1

linux-image-laptop-23.10Ubuntu

Fixed in:6.5.0.1017.20USN-6818-2

linux-image-lowlatencyUbuntu

Fixed in:6.5.0.41.41.1USN-6818-1

linux-image-lowlatency-64kUbuntu

Fixed in:6.5.0.41.41.1USN-6818-1

linux-image-lowlatency-64k-hwe-22.04Ubuntu

Fixed in:6.5.0.41.41.1~22.04.1USN-6818-1

linux-image-lowlatency-hwe-22.04Ubuntu

Fixed in:6.5.0.41.41.1~22.04.1USN-6818-1

linux-image-nvidia-6.5Ubuntu

Fixed in:6.5.0.1021.29USN-6818-3

linux-image-nvidia-64k-6.5Ubuntu

Fixed in:6.5.0.1021.29USN-6818-3

linux-image-nvidia-64k-hwe-22.04Ubuntu

Fixed in:6.5.0.1021.29USN-6818-3

linux-image-nvidia-hwe-22.04Ubuntu

Fixed in:6.5.0.1021.29USN-6818-3

linux-image-oem-22.04Ubuntu

Fixed in:6.5.0.1024.26USN-6819-3

linux-image-oem-22.04aUbuntu

Fixed in:6.5.0.1024.26USN-6819-3

linux-image-oem-22.04bUbuntu

Fixed in:6.5.0.1024.26USN-6819-3

linux-image-oem-22.04cUbuntu

Fixed in:6.5.0.1024.26USN-6819-3

linux-image-oem-22.04dUbuntu

Fixed in:6.5.0.1024.26USN-6819-3

linux-image-oracleUbuntu

Fixed in:6.5.0.1024.24~22.04.1USN-6819-4

Fixed in:6.5.0.1024.26USN-6819-2

linux-image-oracle-64kUbuntu

Fixed in:6.5.0.1024.24~22.04.1USN-6819-4

Fixed in:6.5.0.1024.26USN-6819-2

linux-image-raspiUbuntu

Fixed in:6.5.0.1018.19USN-6818-1

linux-image-raspi-nolpaeUbuntu

Fixed in:6.5.0.1018.19USN-6818-1

linux-image-starfiveUbuntu

Fixed in:6.5.0.1015.16~22.04.1USN-6819-1

Fixed in:6.5.0.1015.17USN-6819-1

linux-image-virtualUbuntu

Fixed in:6.5.0.41.41USN-6818-1

linux-image-virtual-hwe-22.04Ubuntu

Fixed in:6.5.0.41.41~22.04.2USN-6818-4

linux-laptopUbuntu

Fixed in:6.5.0-1017.20USN-6818-2

linux-lowlatencyUbuntu

Fixed in:6.5.0-41.41.1USN-6818-1

linux-lowlatency-hwe-6.5Ubuntu

Fixed in:6.5.0-41.41.1~22.04.1USN-6818-1

linux-nvidia-6.5Ubuntu

Fixed in:6.5.0-1021.22USN-6818-3

linux-oem-6.5Ubuntu

Fixed in:6.5.0-1024.25USN-6819-3

linux-oracleUbuntu

Fixed in:6.5.0-1024.24USN-6819-2

linux-oracle-6.5Ubuntu

Fixed in:6.5.0-1024.24~22.04.1USN-6819-4

linux-raspiUbuntu

Fixed in:6.5.0-1018.21USN-6818-1

linux-starfiveUbuntu

Fixed in:6.5.0-1015.16USN-6819-1

linux-starfive-6.5Ubuntu

Fixed in:6.5.0-1015.16~22.04.1USN-6819-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.29%probability of exploitation in 30 days

20thpercentile

Low risk: more likely to be exploited than 20% of all known CVEs.

References

Patch8

Third-Party Advisory2

Related Vulnerabilities

Other CWE-401 (Missing Release of Memory (Memory Leak)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-13934	High	7.5	64%	-	Fix
CVE-2016-6304	High	7.5	63%	-	Fix
CVE-2019-12265	Medium	5.3	55%	-	Fix
CVE-2001-0136	Medium	5.0	45%	-	-
CVE-2016-4232	High	7.5	36%	-	-
CVE-2001-0543	Medium	5.0	21%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-12-23.