What is CVE-2022-48949?

CVE-2022-48949 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 4.0 onward and patched in 4.14.303, 4.19.270, 5.4.229 and others. CVE-2022-48949 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-48949?

CVE-2022-48949 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:H/I:N/A:N.

Is there a patch available for CVE-2022-48949?

Yes, CVE-2022-48949 has been patched. Fixed versions include 4.14.303, 4.19.270, 5.4.229 and others. If you are running Linux kernel 4.0 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2022-48949 actively exploited?

CVE-2022-48949 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2022-48949

Medium

In the Linux kernel, the following vulnerability has been resolved: igb: Initialize mailbox message for VF reset When a MAC address is not assigned to the VF, that portion of the message sent to the VF is not set. The memory, however, is allocated from the stack meaning that information may be leaked to the VM. Initialize the message buffer to 0 so that no information is passed to the VM in this case.

Package Linux Kernel

Published 2024-10-21

Last modified 2024-10-29

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

High

Integrity

None

Availability

None

Vector string

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

Weakness type

CWE-908

CVE-2022-48949 is classified as CWE-908

See CWE-908 on MITRE CWE for full details on this weakness type.

Affected versions

Linux kernel versions 4.0 and later are affected. Fixed in 4.14.303, 4.19.270, 5.4.229, 5.10.161, 5.15.85, 6.0.15, 6.1.1, 6.2 and their respective stable series.

Affected from

≥ 4.0

Fixed in

✓ 4.14.303 4.14.x ✓ 4.19.270 4.19.x ✓ 5.4.229 5.4.x ✓ 5.10.161 5.10.x ✓ 5.15.85 5.15.x ✓ 6.0.15 6.0.x ✓ 6.1.1 6.1.x ✓ 6.2

References

The following references provide additional information about CVE-2022-48949 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/367e1e3399dbc56fc669740c4ab60e35da632b0e
Patch
Kernel patch commit
https://git.kernel.org/stable/c/51fd5ede7ed42f272682a0c33d6f0767b3484a3d
Patch
Kernel patch commit
https://git.kernel.org/stable/c/a6629659af3f5c6a91e3914ea62554c975ab77f4
Patch

8 patch commits total View all on NVD

Details

CVE ID CVE-2022-48949

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-10-21

Modified 2024-10-29

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2022-48949?

CVE-2022-48949 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 4.0 onward and has been patched in 4.14.303, 4.19.270, 5.4.229 and others. CVE-2022-48949 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-48949?

CVE-2022-48949 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:H/I:N/A:N.
Is there a patch available for CVE-2022-48949?

Yes — CVE-2022-48949 has been patched. Fixed versions include 4.14.303, 4.19.270, 5.4.229 and others. If you are running Linux kernel 4.0 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2022-48949 actively exploited?

No — CVE-2022-48949 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.