What is CVE-2023-52433?

CVE-2023-52433 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10, affecting Linux kernel versions from 6.4.11 onward and patched in 6.5.4 and 6.6. CVE-2023-52433 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-52433?

CVE-2023-52433 has a CVSS score of 7.8 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2023-52433?

Yes, CVE-2023-52433 has been patched. Fixed versions include 6.5.4 and 6.6. If you are running Linux kernel 6.4.11 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2023-52433 actively exploited?

CVE-2023-52433 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2023-52433

High

In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_set_rbtree: skip sync GC for new elements in this transaction New elements in this transaction might expired before such transaction ends. Skip sync GC for such elements otherwise commit path might walk over an already released object. Once transaction is finished, async GC will collect such expired element.

Package Linux Kernel

Published 2024-02-20

Last modified 2026-08-04

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

7.8

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

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

Weakness type

CWE-273

CVE-2023-52433 is classified as CWE-273

See CWE-273 on MITRE CWE for full details on this weakness type.

Affected versions

Linux kernel versions 6.4.11, 6.5 and later are affected. Fixed in 6.5.4, 6.6 and their respective stable series.

Affected from

≥ 6.4.11 ≥ 6.5

Fixed in

✓ 6.5.4 6.5.x ✓ 6.6

References

8 total

Kernel Git
https://git.kernel.org/stable/c/03caf75da1059f0460666c826e9f50e13dfd0017

Patch
Kernel Git
https://git.kernel.org/stable/c/2ee52ae94baabf7ee09cf2a8d854b990dac5d0e4

Patch
Kernel Git
https://git.kernel.org/stable/c/9a8c544158f68f656d1734eb5ba00c4f817b76b1

Patch
Kernel Git
https://git.kernel.org/stable/c/9af7dfb3c9d7985172a240f85e684c5cd33e29ce

Patch
Kernel Git
https://git.kernel.org/stable/c/9db9feb841f7449772f9393c16b9ef4536d8c127

Patch

Showing 5 of 8 references View all on NVD

Details

CVE ID CVE-2023-52433

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2024-02-20

Modified 2026-08-04

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2023-52433?

CVE-2023-52433 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 . It affects Linux kernel versions from 6.4.11 onward and has been patched in 6.5.4 and 6.6. CVE-2023-52433 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-52433?

CVE-2023-52433 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2023-52433?

Yes. CVE-2023-52433 has been patched. Fixed versions include 6.5.4 and 6.6. If you are running Linux kernel 6.4.11 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2023-52433 actively exploited?

No. CVE-2023-52433 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.