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CVE-2024-26626

7.5 · HIGH

In the Linux kernel, the following vulnerability has been resolved: ipmr: fix kernel panic when forwarding mcast packets The stacktrace was: [ 86.305548] BUG: kernel NULL pointer dereference, a…

Published Mar 6, 2024CWE-476EPSS 0.64%

Overview

CVE-2024-26626 is a high-severity vulnerability. It was published on March 6, 2024 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

In the Linux kernel, the following vulnerability has been resolved:

ipmr: fix kernel panic when forwarding mcast packets

The stacktrace was:

[ 86.305548] BUG: kernel NULL pointer dereference, address: 0000000000000092

[ 86.306815] #PF: supervisor read access in kernel mode

[ 86.307717] #PF: error_code(0x0000) - not-present page

[ 86.308624] PGD 0 P4D 0

[ 86.309091] Oops: 0000 [#1] PREEMPT SMP NOPTI

[ 86.309883] CPU: 2 PID: 3139 Comm: pimd Tainted: G U 6.8.0-6wind-knet #1

[ 86.311027] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.11.1-0-g0551a4be2c-prebuilt.qemu-project.org 04/01/2014

[ 86.312728] RIP: 0010:ip_mr_forward (/build/work/knet/net/ipv4/ipmr.c:1985)

[ 86.313399] Code: f9 1f 0f 87 85 03 00 00 48 8d 04 5b 48 8d 04 83 49 8d 44 c5 00 48 8b 40 70 48 39 c2 0f 84 d9 00 00 00 49 8b 46 58 48 83 e0 fe <80> b8 92 00 00 00 00 0f 84 55 ff ff ff 49 83 47 38 01 45 85 e4 0f

[ 86.316565] RSP: 0018:ffffad21c0583ae0 EFLAGS: 00010246

[ 86

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/2e8c9ae40adda2be1ba41c05fd3cd1e61cce3207Refgit.kernel.org/stable/c/d2f1b7fe74afd66298dbb3c7b39e7b62e4df1724Refgit.kernel.org/stable/c/dcaafdba6c6162bb49f1192850bc3bbc3707738cRefgit.kernel.org/stable/c/e622502c310f1069fd9f41cd38210553115f610aRefgit.kernel.org/stable/c/2e8c9ae40adda2be1ba41c05fd3cd1e61cce3207Refgit.kernel.org/stable/c/d2f1b7fe74afd66298dbb3c7b39e7b62e4df1724Refgit.kernel.org/stable/c/dcaafdba6c6162bb49f1192850bc3bbc3707738cRefgit.kernel.org/stable/c/e622502c310f1069fd9f41cd38210553115f610a

How CyberStrike helps

Frequently asked questions

What is CVE-2024-26626?

CVE-2024-26626 is a high-severity vulnerability. It was published on March 6, 2024 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2024-26626?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2024-26626?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2024-26626?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-26626 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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