What is CVE-2024-27020?

CVE-2024-27020 is a High severity Linux kernel vulnerability with a CVSS score of 7.0 out of 10, classified as a Race Condition flaw (CWE-362), affecting Linux kernel versions from 3.13 onward and patched in 4.19.313, 5.4.275, 5.10.216 and others. CVE-2024-27020 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2024-27020?

CVE-2024-27020 has a CVSS score of 7.0 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2024-27020?

Yes, CVE-2024-27020 has been patched. Fixed versions include 4.19.313, 5.4.275, 5.10.216 and others. If you are running Linux kernel 3.13 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2024-27020 actively exploited?

CVE-2024-27020 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Race Condition (CWE-362)?

The product contains a code sequence that can run concurrently with other code, creating unexpected states. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/362.html

CVE-2024-27020

High

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: Fix potential data-race in __nft_expr_type_get() nft_unregister_expr() can concurrent with __nft_expr_type_get(), and there is not any protection when iterate over nf_tables_expressions list in __nft_expr_type_get(). Therefore, there is potential data-race of nf_tables_expressions list entry. Use list_for_each_entry_rcu() to iterate over nf_tables_expressions list in __nft_expr_type_get(), and use rcu_read_lock() in the caller nft_expr_type_get() to protect the entire type query process.

Package Linux Kernel

Published 2024-05-01

Last modified 2026-05-12

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

7.0

out of 10

High

Attack Vector

Local

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

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

Weakness type

CWE-362

CVE-2024-27020 is a Race Condition vulnerability

What is Race Condition?

The product contains a code sequence that can run concurrently with other code, creating unexpected states. Learn more on MITRE CWE

Affected versions

Linux kernel versions 3.13 and later are affected. Fixed in 4.19.313, 5.4.275, 5.10.216, 5.15.157, 6.1.88, 6.6.29, 6.8.8, 6.9 and their respective stable series.

Affected from

≥ 3.13

Fixed in

✓ 4.19.313 4.19.x ✓ 5.4.275 5.4.x ✓ 5.10.216 5.10.x ✓ 5.15.157 5.15.x ✓ 6.1.88 6.1.x ✓ 6.6.29 6.6.x ✓ 6.8.8 6.8.x ✓ 6.9

References

16 total

Kernel Git
https://git.kernel.org/stable/c/01f1a678b05ade4b1248019c2dcca773aebbeb7f

Patch
Kernel Git
https://git.kernel.org/stable/c/0b6de00206adbbfc6373b3ae38d2a6f197987907

Patch
Kernel Git
https://git.kernel.org/stable/c/8d56bad42ac4c43c6c72ddd6a654a2628bf839c5

Patch
Kernel Git
https://git.kernel.org/stable/c/934e66e231cff2b18faa2c8aad0b8cec13957e05

Patch
Kernel Git
https://git.kernel.org/stable/c/939109c0a8e2a006a6cc8209e262d25065f4403a

Patch

Showing 5 of 16 references View all on NVD

Details

CVE ID CVE-2024-27020

Severity High

CVSS score 7.0 / 10

CVSS version 3.1

Published 2024-05-01

Modified 2026-05-12

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2024-27020?

CVE-2024-27020 is a High severity Linux kernel vulnerability with a CVSS score of 7.0 out of 10 , classified as a Race Condition flaw (CWE-362) . It affects Linux kernel versions from 3.13 onward and has been patched in 4.19.313, 5.4.275, 5.10.216 and others. CVE-2024-27020 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2024-27020?

CVE-2024-27020 has a CVSS score of 7.0 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2024-27020?

Yes. CVE-2024-27020 has been patched. Fixed versions include 4.19.313, 5.4.275, 5.10.216 and others. If you are running Linux kernel 3.13 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2024-27020 actively exploited?

No. CVE-2024-27020 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.