What is CVE-2023-52493?

CVE-2023-52493 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 5.7 onward and patched in 5.10.210, 5.15.149, 6.1.76 and others. CVE-2023-52493 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-52493?

CVE-2023-52493 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-2023-52493?

Yes, CVE-2023-52493 has been patched. Fixed versions include 5.10.210, 5.15.149, 6.1.76 and others. If you are running Linux kernel 5.7 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2023-52493 actively exploited?

CVE-2023-52493 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-2023-52493

Medium

In the Linux kernel, the following vulnerability has been resolved: bus: mhi: host: Drop chan lock before queuing buffers Ensure read and write locks for the channel are not taken in succession by dropping the read lock from parse_xfer_event() such that a callback given to client can potentially queue buffers and acquire the write lock in that process. Any queueing of buffers should be done without channel read lock acquired as it can result in multiple locks and a soft lockup. [mani: added fixes tag and cc'ed stable]

Package Linux Kernel

Published 2024-03-11

Last modified 2024-12-12

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-2023-52493 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 5.7 and later are affected. Fixed in 5.10.210, 5.15.149, 6.1.76, 6.6.15, 6.7.3, 6.8 and their respective stable series.

Affected from

≥ 5.7

Fixed in

✓ 5.10.210 5.10.x ✓ 5.15.149 5.15.x ✓ 6.1.76 6.1.x ✓ 6.6.15 6.6.x ✓ 6.7.3 6.7.x ✓ 6.8

References

7 total

Kernel Git
https://git.kernel.org/stable/c/01bd694ac2f682fb8017e16148b928482bc8fa4b

Patch
Kernel Git
https://git.kernel.org/stable/c/20a6dea2d1c68d4e03c6bb50bc12e72e226b5c0e

Patch
Kernel Git
https://git.kernel.org/stable/c/3c5ec66b4b3f6816f3a6161538672e389e537690

Patch
Kernel Git
https://git.kernel.org/stable/c/6e4c84316e2b70709f0d00c33ba3358d9fc8eece

Patch
Kernel Git
https://git.kernel.org/stable/c/b8eff20d87092e14cac976d057cb0aea2f1d0830

Patch

Showing 5 of 7 references View all on NVD

Details

CVE ID CVE-2023-52493

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-03-11

Modified 2024-12-12

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2023-52493?

CVE-2023-52493 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 5.7 onward and has been patched in 5.10.210, 5.15.149, 6.1.76 and others. CVE-2023-52493 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-52493?

CVE-2023-52493 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-2023-52493?

Yes. CVE-2023-52493 has been patched. Fixed versions include 5.10.210, 5.15.149, 6.1.76 and others. If you are running Linux kernel 5.7 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2023-52493 actively exploited?

No. CVE-2023-52493 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.