What is CVE-2023-53030?

CVE-2023-53030 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, classified as a Improper Locking flaw (CWE-667), affecting Linux kernel versions from 6.0.19 onward and patched in 6.1, 5.15.91 and 6.1.8. CVE-2023-53030 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-53030?

CVE-2023-53030 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-2023-53030?

Yes, CVE-2023-53030 has been patched. Fixed versions include 6.1, 5.15.91 and 6.1.8. If you are running Linux kernel 6.0.19 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2023-53030 actively exploited?

CVE-2023-53030 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Improper Locking (CWE-667)?

The product does not properly acquire or release a lock, which can lead to unexpected behaviour. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/667.html

CVE-2023-53030

Medium

In the Linux kernel, the following vulnerability has been resolved: octeontx2-pf: Avoid use of GFP_KERNEL in atomic context Using GFP_KERNEL in preemption disable context, causing below warning when CONFIG_DEBUG_ATOMIC_SLEEP is enabled. [ 32.542271] BUG: sleeping function called from invalid context at include/linux/sched/mm.h:274 [ 32.550883] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1, name: swapper/0 [ 32.558707] preempt_count: 1, expected: 0 [ 32.562710] RCU nest depth: 0, expected: 0 [ 32.566800] CPU: 3 PID: 1 Comm: swapper/0 Tainted: G W 6.2.0-rc2-00269-gae9dcb91c606 #7 [ 32.576188] Hardware name: Marvell CN106XX board (DT) [ 32.581232] Call trace: [ 32.583670] dump_backtrace.part.0+0xe0/0xf0 [ 32.587937] show_stack+0x18/0x30 [ 32.591245] dump_stack_lvl+0x68/0x84 [ 32.594900] dump_stack+0x18/0x34 [ 32.598206] __might_resched+0x12c/0x160 [ 32.602122] __might_sleep+0x48/0xa0 [ 32.605689] __kmem_cache_alloc_node+0x2b8/0x2e0 [ 32.610301] __kmalloc+0x58/0x190 [ 32.613610] otx2_sq_aura_pool_init+0x1a8/0x314 [ 32.618134] otx2_open+0x1d4/0x9d0 To avoid use of GFP_ATOMIC for memory allocation, disable preemption after all memory allocation is done.

Package Linux Kernel

Published 2025-03-27

Last modified 2025-10-31

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-667

CVE-2023-53030 is a Improper Locking vulnerability

What is Improper Locking?

The product does not properly acquire or release a lock, which can lead to unexpected behaviour. Learn more on MITRE CWE

Affected versions

Linux kernel versions 6.0.19, 5.15.87, 6.1.5 and later are affected. Fixed in 6.1, 5.15.91, 6.1.8 and their respective stable series.

Affected from

≥ 6.0.19 ≥ 5.15.87 ≥ 6.1.5

Fixed in

✓ 6.1 6.1.x ✓ 5.15.91 5.15.x ✓ 6.1.8 6.1.x

References

3 total

Kernel Git
https://git.kernel.org/stable/c/1eb57b87f106c90cee6b2a56a10f2e29c7a25f3e

Patch
Kernel Git
https://git.kernel.org/stable/c/2827c4eb429db64befdca11362e2b1c5f524f6ba

Patch
Kernel Git
https://git.kernel.org/stable/c/87b93b678e95c7d93fe6a55b0e0fbda26d8c7760

Patch

Details

CVE ID CVE-2023-53030

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2025-03-27

Modified 2025-10-31

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2023-53030?

CVE-2023-53030 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as an Improper Locking flaw (CWE-667) . It affects Linux kernel versions from 6.0.19 onward and has been patched in 6.1, 5.15.91 and 6.1.8. CVE-2023-53030 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-53030?

CVE-2023-53030 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-2023-53030?

Yes. CVE-2023-53030 has been patched. Fixed versions include 6.1, 5.15.91 and 6.1.8. If you are running Linux kernel 6.0.19 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2023-53030 actively exploited?

No. CVE-2023-53030 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.