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CVE-2024-40960

5.5 · MEDIUM
Published Jul 12, 2024 linux CWE-476 EPSS 0.27% (19th pctl)

Overview

CVE-2024-40960 is a medium-severity vulnerability affecting linux linux_kernel. It was published on July 12, 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:

ipv6: prevent possible NULL dereference in rt6_probe()

syzbot caught a NULL dereference in rt6_probe() [1]

Bail out if __in6_dev_get() returns NULL.

[1]

Oops: general protection fault, probably for non-canonical address 0xdffffc00000000cb: 0000 [#1] PREEMPT SMP KASAN PTI

KASAN: null-ptr-deref in range [0x0000000000000658-0x000000000000065f]

CPU: 1 PID: 22444 Comm: syz-executor.0 Not tainted 6.10.0-rc2-syzkaller-00383-gb8481381d4e2 #0

Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024

RIP: 0010:rt6_probe net/ipv6/route.c:656 [inline]

RIP: 0010:find_match+0x8c4/0xf50 net/ipv6/route.c:758

Code: 14 fd f7 48 8b 85 38 ff ff ff 48 c7 45 b0 00 00 00 00 48 8d b8 5c 06 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 19

RSP: 0018:ffffc900034af070 EFLAGS: 00010203

RAX: dffffc0000000000 RBX: 0000000000000000 RCX:

Remediation

Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. 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.

Affected Products

Vendor Product Versions Status
linux linux_kernel >= 2.6.17, < 4.19.317 Affected

References

Ref git.kernel.org/stable/c/1ed9849fdf9a1a617129346b11d2094ca26828dc Ref git.kernel.org/stable/c/51ee2f7c30790799d0ec30c0ce0c743e58f046f2 Ref git.kernel.org/stable/c/569c9d9ea6648d099187527b93982f406ddcebc0 Ref git.kernel.org/stable/c/6eed6d3cd19ff3cfa83aeceed86da14abaf7417b Ref git.kernel.org/stable/c/73e7c8ca6ad76f29b2c99c20845a6f3b203ff0c6 Ref git.kernel.org/stable/c/b86762dbe19a62e785c189f313cda5b989931f37 Ref git.kernel.org/stable/c/d66fc4826127c82f99c4033380f8e93833d331c7 Ref git.kernel.org/stable/c/f0cda984e4e634b221dbf9642b8ecc5b4806b41e Ref git.kernel.org/stable/c/1ed9849fdf9a1a617129346b11d2094ca26828dc Ref git.kernel.org/stable/c/51ee2f7c30790799d0ec30c0ce0c743e58f046f2

Frequently Asked Questions

What is CVE-2024-40960?

CVE-2024-40960 is a medium-severity vulnerability affecting linux linux_kernel. It was published on July 12, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-40960?

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-2024-40960?

Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. 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-2024-40960?

CyberStrike's AI-powered security agents can automatically detect CVE-2024-40960 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.

How CyberStrike Helps

Autonomous Discovery

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HackBrowser

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