#VU91642 Memory leak in Linux kernel - CVE-2022-48690

Vulnerability identifier: #VU91642

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-2022-48690

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 ice_qp_dis(), ice_xsk_pool_enable() and ice_xsk_pool_setup() functions in drivers/net/ethernet/intel/ice/ice_xsk.c, within the ice_xdp_setup_prog() function in drivers/net/ethernet/intel/ice/ice_main.c, within the ice_alloc_rx_buf_zc() and ice_vsi_cfg_rxq() functions in drivers/net/ethernet/intel/ice/ice_base.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/07f40e9f0ff342eb3e97d5c544783b7cb641689c
https://git.kernel.org/stable/c/7e753eb675f0523207b184558638ee2eed6c9ac2

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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.