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CVE-2024-36484

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: net: relax socket state check at accept time.

Published Jun 21, 2024EPSS 0.30%

Overview

CVE-2024-36484 is a medium-severity vulnerability. It was published on June 21, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

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

net: relax socket state check at accept time.

Christoph reported the following splat:

WARNING: CPU: 1 PID: 772 at net/ipv4/af_inet.c:761 __inet_accept+0x1f4/0x4a0

Modules linked in:

CPU: 1 PID: 772 Comm: syz-executor510 Not tainted 6.9.0-rc7-g7da7119fe22b #56

Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.11.0-2.el7 04/01/2014

RIP: 0010:__inet_accept+0x1f4/0x4a0 net/ipv4/af_inet.c:759

Code: 04 38 84 c0 0f 85 87 00 00 00 41 c7 04 24 03 00 00 00 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 ec b7 da fd <0f> 0b e9 7f fe ff ff e8 e0 b7 da fd 0f 0b e9 fe fe ff ff 89 d9 80

RSP: 0018:ffffc90000c2fc58 EFLAGS: 00010293

RAX: ffffffff836bdd14 RBX: 0000000000000000 RCX: ffff888104668000

RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000

RBP: dffffc0000000000 R08: ffffffff836bdb89 R09: fffff52000185f64

R10: dffffc0000000000 R11: fffff52000185f64 R12: dffffc0000000000

R13: 1ffff92000185

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/21c14c556cccd0cb54b71ec5e901e64ba84c7165Refgit.kernel.org/stable/c/26afda78cda3da974fd4c287962c169e9462c495Refgit.kernel.org/stable/c/59801e88c99f7c3f44a4d20af6ba6417aa359b5dRefgit.kernel.org/stable/c/5f9a04a94fd1894d7009055ab8e5832a0242dba3Refgit.kernel.org/stable/c/6e03006548c66b979f4e5e9fc797aac4dad82822Refgit.kernel.org/stable/c/7de00adc9bd035d861ba4177848ca0bfa5ed1e04Refgit.kernel.org/stable/c/87bdc9f6f58b4417362d6932b49b828e319f97dcRefgit.kernel.org/stable/c/c09ddc605893df542c6cf8dde6a57a93f7cf0adbRefgit.kernel.org/stable/c/21c14c556cccd0cb54b71ec5e901e64ba84c7165Refgit.kernel.org/stable/c/26afda78cda3da974fd4c287962c169e9462c495

How CyberStrike helps

Frequently asked questions

What is CVE-2024-36484?

CVE-2024-36484 is a medium-severity vulnerability. It was published on June 21, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-36484?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2024-36484?

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-2024-36484?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-36484 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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