#VU99133 Resource management error in Linux kernel - CVE-2024-50039

Vulnerability identifier: #VU99133

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-2024-50039

CWE-ID: CWE-399

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 resource management error within the qdisc_skb_cb() function in net/sched/sch_api.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/adbc3eef43fc94c7c8436da832691ae02333a972
https://git.kernel.org/stable/c/8fb6503592d39065316f45d267c5527b4e7cd995
https://git.kernel.org/stable/c/76feedc74b90270390fbfdf74a2e944e96872363
https://git.kernel.org/stable/c/1edf039ee01788ffc25625fe58a903ae2efa213e
https://git.kernel.org/stable/c/3dc6ee96473cc2962c6db4297d4631f261be150f
https://git.kernel.org/stable/c/3cb7cf1540ddff5473d6baeb530228d19bc97b8a

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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.