#VU98988 NULL pointer dereference in Linux kernel - CVE-2024-47707

Vulnerability identifier: #VU98988

Vulnerability risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-47707

CWE-ID: CWE-476

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference within the rt6_uncached_list_flush_dev() function in net/ipv6/route.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions

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External links
https://git.kernel.org/stable/c/f2bd9635543ca41533b870f420872819f8331823
https://git.kernel.org/stable/c/0ceb2f2b5c813f932d6e60d3feec5e7e713da783
https://git.kernel.org/stable/c/9a0ddc73be37d19dff1ba08290af34e707d18e50
https://git.kernel.org/stable/c/08409e401622e2896b4313be9f781bde8a2a6a53
https://git.kernel.org/stable/c/04ccecfa959d3b9ae7348780d8e379c6486176ac

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.