What is CVE-2024-43838?

CVE-2024-43838 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, classified as a Integer Overflow flaw (CWE-190), affecting Linux kernel versions from 6.9.8 onward and patched in 6.10.3 and 6.11. CVE-2024-43838 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2024-43838?

CVE-2024-43838 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-2024-43838?

Yes, CVE-2024-43838 has been patched. Fixed versions include 6.10.3 and 6.11. If you are running Linux kernel 6.9.8 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2024-43838 actively exploited?

CVE-2024-43838 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Integer Overflow (CWE-190)?

The product performs a calculation that can produce an integer overflow, leading to unexpected values. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/190.html

CVE-2024-43838

Medium

In the Linux kernel, the following vulnerability has been resolved: bpf: fix overflow check in adjust_jmp_off() adjust_jmp_off() incorrectly used the insn->imm field for all overflow check, which is incorrect as that should only be done or the BPF_JMP32 | BPF_JA case, not the general jump instruction case. Fix it by using insn->off for overflow check in the general case.

Package Linux Kernel

Published 2024-08-17

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

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

Weakness type

CWE-190

CVE-2024-43838 is a Integer Overflow vulnerability

What is Integer Overflow?

The product performs a calculation that can produce an integer overflow, leading to unexpected values. Learn more on MITRE CWE

Affected versions

Linux kernel versions 6.9.8, 6.10 and later are affected. Fixed in 6.10.3, 6.11 and their respective stable series.

Affected from

≥ 6.9.8 ≥ 6.10

Fixed in

✓ 6.10.3 6.10.x ✓ 6.11

References

2 total

Kernel Git
https://git.kernel.org/stable/c/345652866a8869825a2a582ee5a28d75141f184a

Patch
Kernel Git
https://git.kernel.org/stable/c/4a04b4f0de59dd5c621e78f15803ee0b0544eeb8

Patch

Details

CVE ID CVE-2024-43838

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-08-17

Modified 2024-10-29

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2024-43838?

CVE-2024-43838 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as an Integer Overflow flaw (CWE-190) . It affects Linux kernel versions from 6.9.8 onward and has been patched in 6.10.3 and 6.11. CVE-2024-43838 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2024-43838?

CVE-2024-43838 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-2024-43838?

Yes. CVE-2024-43838 has been patched. Fixed versions include 6.10.3 and 6.11. If you are running Linux kernel 6.9.8 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2024-43838 actively exploited?

No. CVE-2024-43838 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.