What is CVE-2022-48962?

CVE-2022-48962 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10, classified as a Use After Free flaw (CWE-416), affecting Linux kernel versions from 4.8 onward and patched in 4.9.336, 4.14.302, 4.19.269 and others. CVE-2022-48962 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-48962?

CVE-2022-48962 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-2022-48962?

Yes, CVE-2022-48962 has been patched. Fixed versions include 4.9.336, 4.14.302, 4.19.269 and others. If you are running Linux kernel 4.8 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2022-48962 actively exploited?

CVE-2022-48962 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Use After Free (CWE-416)?

The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/416.html

CVE-2022-48962

High

In the Linux kernel, the following vulnerability has been resolved: net: hisilicon: Fix potential use-after-free in hisi_femac_rx() The skb is delivered to napi_gro_receive() which may free it, after calling this, dereferencing skb may trigger use-after-free.

Package Linux Kernel

Published 2024-10-21

Last modified 2024-10-24

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-416

CVE-2022-48962 is a Use After Free vulnerability

What is Use After Free?

The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. Learn more on MITRE CWE

Affected versions

Linux kernel versions 4.8 and later are affected. Fixed in 4.9.336, 4.14.302, 4.19.269, 5.4.227, 5.10.159, 5.15.83, 6.0.13, 6.1 and their respective stable series.

Affected from

≥ 4.8

Fixed in

✓ 4.9.336 4.9.x ✓ 4.14.302 4.14.x ✓ 4.19.269 4.19.x ✓ 5.4.227 5.4.x ✓ 5.10.159 5.10.x ✓ 5.15.83 5.15.x ✓ 6.0.13 6.0.x ✓ 6.1

References

The following references provide additional information about CVE-2022-48962 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel patch commit
https://git.kernel.org/stable/c/196e12671cb629d9f3b77b4d8bec854fc445533a
Patch
Kernel patch commit
https://git.kernel.org/stable/c/296a50aa8b2982117520713edc1375777a9f8506
Patch
Kernel patch commit
https://git.kernel.org/stable/c/3501da8eb6d0f5f114a09ec953c54423f6f35885
Patch

8 patch commits total View all on NVD

Details

CVE ID CVE-2022-48962

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2024-10-21

Modified 2024-10-24

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2022-48962?

CVE-2022-48962 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 , classified as an Use After Free flaw (CWE-416) . It affects Linux kernel versions from 4.8 onward and has been patched in 4.9.336, 4.14.302, 4.19.269 and others. CVE-2022-48962 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-48962?

CVE-2022-48962 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-2022-48962?

Yes — CVE-2022-48962 has been patched. Fixed versions include 4.9.336, 4.14.302, 4.19.269 and others. If you are running Linux kernel 4.8 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2022-48962 actively exploited?

No — CVE-2022-48962 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Use After Free (CWE-416)?

The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. View CWE-416 on MITRE CWE →