CVE-2024-41091

High

In the Linux kernel, the following vulnerability has been resolved: tun: add missing verification for short frame The cited commit missed to check against the validity of the frame length in the tun_xdp_one() path, which could cause a corrupted skb to be sent downstack. Even before the skb is transmitted, the tun_xdp_one-->eth_type_trans() may access the Ethernet header although it can be less than ETH_HLEN. Once transmitted, this could either cause out-of-bound access beyond the actual length, or confuse the underlayer with incorrect or inconsistent header length in the skb metadata. In the alternative path, tun_get_user() already prohibits short frame which has the length less than Ethernet header size from being transmitted for IFF_TAP. This is to drop any frame shorter than the Ethernet header size just like how tun_get_user() does. CVE: CVE-2024-41091

Package Linux Kernel
Published 2024-07-29
Last modified 2025-11-03
CVSS version 3.1
Patch available
Yes

CVSS 3.1 score

7.1

out of 10
High
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
High
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Weakness type

CWE-125

CVE-2024-41091 is a Out-of-bounds Read vulnerability

What is Out-of-bounds Read?

The product reads data past the end or before the beginning of the intended buffer. Learn more on MITRE CWE

Affected versions

Linux kernel versions 4.20 and later are affected. Fixed in 5.4.281, 5.10.223, 5.15.164, 6.1.102, 6.6.43, 6.9.12, 6.10.2, 6.11 and their respective stable series.

Affected from
≥ 4.20
Fixed in
✓ 5.4.281 5.4.x ✓ 5.10.223 5.10.x ✓ 5.15.164 5.15.x ✓ 6.1.102 6.1.x ✓ 6.6.43 6.6.x ✓ 6.9.12 6.9.x ✓ 6.10.2 6.10.x ✓ 6.11

References

9 total
Showing 5 of 9 references View all on NVD

Frequently asked questions

  • What is CVE-2024-41091?

    CVE-2024-41091 is a High severity Linux kernel vulnerability with a CVSS score of 7.1 out of 10 , classified as an Out-of-bounds Read flaw (CWE-125) . It affects Linux kernel versions from 4.20 onward and has been patched in 5.4.281, 5.10.223, 5.15.164 and others. CVE-2024-41091 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2024-41091?

    CVE-2024-41091 has a CVSS score of 7.1 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:N/A:H .

  • Is there a patch available for CVE-2024-41091?

    Yes. CVE-2024-41091 has been patched. Fixed versions include 5.4.281, 5.10.223, 5.15.164 and others. If you are running Linux kernel 4.20 or later up to the fix versions, apply the relevant patch for your kernel branch.

  • Is CVE-2024-41091 actively exploited?

    No. CVE-2024-41091 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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