What is CVE-2024-49853?

CVE-2024-49853 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10, affecting Linux kernel versions from 5.18 onward and patched in 6.1.113, 6.6.54, 6.10.13 and others. CVE-2024-49853 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2024-49853?

CVE-2024-49853 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-2024-49853?

Yes, CVE-2024-49853 has been patched. Fixed versions include 6.1.113, 6.6.54, 6.10.13 and others. If you are running Linux kernel 5.18 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2024-49853 actively exploited?

CVE-2024-49853 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2024-49853

High

In the Linux kernel, the following vulnerability has been resolved: firmware: arm_scmi: Fix double free in OPTEE transport Channels can be shared between protocols, avoid freeing the same channel descriptors twice when unloading the stack.

Package Linux Kernel

Published 2024-10-21

Last modified 2025-11-03

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-415

CVE-2024-49853 is classified as CWE-415

See CWE-415 on MITRE CWE for full details on this weakness type.

Affected versions

Linux kernel versions 5.18 and later are affected. Fixed in 6.1.113, 6.6.54, 6.10.13, 6.11.2, 6.12 and their respective stable series.

Affected from

≥ 5.18

Fixed in

✓ 6.1.113 6.1.x ✓ 6.6.54 6.6.x ✓ 6.10.13 6.10.x ✓ 6.11.2 6.11.x ✓ 6.12

References

The following references provide additional information about CVE-2024-49853 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Debian Security
https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
Kernel patch commit
https://git.kernel.org/stable/c/6699567b0bbb378600a4dc0a1f929439a4e84a2c
Patch
Kernel patch commit
https://git.kernel.org/stable/c/aef6ae124bb3cc12e34430fed91fbb7efd7a444d
Patch
Kernel patch commit
https://git.kernel.org/stable/c/d7f4fc2bc101e666da649605a9ece2bd42529c7a
Patch

5 patch commits total View all on NVD

Details

CVE ID CVE-2024-49853

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2024-10-21

Modified 2025-11-03

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2024-49853?

CVE-2024-49853 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 . It affects Linux kernel versions from 5.18 onward and has been patched in 6.1.113, 6.6.54, 6.10.13 and others. CVE-2024-49853 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2024-49853?

CVE-2024-49853 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-2024-49853?

Yes — CVE-2024-49853 has been patched. Fixed versions include 6.1.113, 6.6.54, 6.10.13 and others. If you are running Linux kernel 5.18 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2024-49853 actively exploited?

No — CVE-2024-49853 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.