What is CVE-2022-49048?

CVE-2022-49048 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 4.19.199 onward and patched in 4.19.239, 5.4.190, 5.10.112 and others. CVE-2022-49048 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-49048?

CVE-2022-49048 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-2022-49048?

Yes, CVE-2022-49048 has been patched. Fixed versions include 4.19.239, 5.4.190, 5.10.112 and others. If you are running Linux kernel 4.19.199 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2022-49048 actively exploited?

CVE-2022-49048 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2022-49048

Medium

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix panic when forwarding a pkt with no in6 dev kongweibin reported a kernel panic in ip6_forward() when input interface has no in6 dev associated. The following tc commands were used to reproduce this panic: tc qdisc del dev vxlan100 root tc qdisc add dev vxlan100 root netem corrupt 5%

Package Linux Kernel

Published 2025-02-26

Last modified 2025-10-14

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

Affected versions

Linux kernel versions 4.19.199, 5.4.136, 5.10.54, 5.13.6, 5.14 and later are affected. Fixed in 4.19.239, 5.4.190, 5.10.112, 5.15.35, 5.17.4, 5.18 and their respective stable series.

Affected from

≥ 4.19.199 ≥ 5.4.136 ≥ 5.10.54 ≥ 5.13.6 ≥ 5.14

Fixed in

✓ 4.19.239 4.19.x ✓ 5.4.190 5.4.x ✓ 5.10.112 5.10.x ✓ 5.15.35 5.15.x ✓ 5.17.4 5.17.x ✓ 5.18

References

The following references provide additional information about CVE-2022-49048 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/74b68f5249f16c5f7f675d0f604fa6ae20e3a151
Patch
Kernel patch commit
https://git.kernel.org/stable/c/a263712ba8c9ded25dd9d2d5ced11bcea5b33a3e
Patch
Kernel patch commit
https://git.kernel.org/stable/c/ab2f5afb7af5c68389e8c7dd29e0a98fbeaaa435
Patch

6 patch commits total View all on NVD

Details

CVE ID CVE-2022-49048

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2025-02-26

Modified 2025-10-14

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2022-49048?

CVE-2022-49048 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 4.19.199 onward and has been patched in 4.19.239, 5.4.190, 5.10.112 and others. CVE-2022-49048 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-49048?

CVE-2022-49048 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-2022-49048?

Yes — CVE-2022-49048 has been patched. Fixed versions include 4.19.239, 5.4.190, 5.10.112 and others. If you are running Linux kernel 4.19.199 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2022-49048 actively exploited?

No — CVE-2022-49048 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.