What is CVE-2023-52511?

CVE-2023-52511 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.3 out of 10, affecting Linux kernel versions from 5.11 onward and patched in 5.15.134, 6.1.56, 6.5.6 and others. CVE-2023-52511 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-52511?

CVE-2023-52511 has a CVSS score of 5.3 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Is there a patch available for CVE-2023-52511?

Yes, CVE-2023-52511 has been patched. Fixed versions include 5.15.134, 6.1.56, 6.5.6 and others. If you are running Linux kernel 5.11 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2023-52511 actively exploited?

CVE-2023-52511 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2023-52511

Medium

In the Linux kernel, the following vulnerability has been resolved: spi: sun6i: reduce DMA RX transfer width to single byte Through empirical testing it has been determined that sometimes RX SPI transfers with DMA enabled return corrupted data. This is down to single or even multiple bytes lost during DMA transfer from SPI peripheral to memory. It seems the RX FIFO within the SPI peripheral can become confused when performing bus read accesses wider than a single byte to it during an active SPI transfer. This patch reduces the width of individual DMA read accesses to the RX FIFO to a single byte to mitigate that issue.

Package Linux Kernel

Published 2024-03-02

Last modified 2025-04-29

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

5.3

out of 10

Medium

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

Low

Vector string

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

Affected versions

Linux kernel versions 5.11 and later are affected. Fixed in 5.15.134, 6.1.56, 6.5.6, 6.6 and their respective stable series.

Affected from

≥ 5.11

Fixed in

✓ 5.15.134 5.15.x ✓ 6.1.56 6.1.x ✓ 6.5.6 6.5.x ✓ 6.6

References

4 total

Kernel Git
https://git.kernel.org/stable/c/171f8a49f212e87a8b04087568e1b3d132e36a18

Patch
Kernel Git
https://git.kernel.org/stable/c/b3c21c9c7289692f4019f163c3b06d8bdf78b355

Patch
Kernel Git
https://git.kernel.org/stable/c/e15bb292b24630ee832bfc7fd616bd72c7682bbb

Patch
Kernel Git
https://git.kernel.org/stable/c/ff05ed4ae214011464a0156f05cac1b0b46b5fbc

Patch

Details

CVE ID CVE-2023-52511

Severity Medium

CVSS score 5.3 / 10

CVSS version 3.1

Published 2024-03-02

Modified 2025-04-29

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2023-52511?

CVE-2023-52511 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.3 out of 10 . It affects Linux kernel versions from 5.11 onward and has been patched in 5.15.134, 6.1.56, 6.5.6 and others. CVE-2023-52511 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-52511?

CVE-2023-52511 has a CVSS score of 5.3 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
Is there a patch available for CVE-2023-52511?

Yes. CVE-2023-52511 has been patched. Fixed versions include 5.15.134, 6.1.56, 6.5.6 and others. If you are running Linux kernel 5.11 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2023-52511 actively exploited?

No. CVE-2023-52511 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.