#VU100163 Memory leak in Linux kernel - CVE-2024-50252

Vulnerability identifier: #VU100163

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-2024-50252

CWE-ID: CWE-401

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 memory leak within the mlxsw_sp_ipip_ol_netdev_change_gre6() function in drivers/net/ethernet/mellanox/mlxsw/spectrum_ipip.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

---

External links
https://git.kernel.org/stable/c/d8f298eb6659eb6a38e26b79e77de4449dc6e61b
https://git.kernel.org/stable/c/31384aa2ad05c29c7745000f321154f42de24d1a
https://git.kernel.org/stable/c/c1bbdbe07f0bc3bc9f87efe4672d67208c6d6942
https://git.kernel.org/stable/c/12ae97c531fcd3bfd774d4dfeaeac23eafe24280

---

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.