Vulnerability identifier: #VU23018
Vulnerability risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-401
Exploitation vector: Local network
Exploit availability: No
Vulnerable software:
Linux kernel
Operating systems & Components /
Operating system
Vendor: Linux Foundation
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the "i40e_setup_macvlans()" function in "drivers/net/ethernet/intel/i40e/i40e_main.c" file. A remote attacker on the local network can cause a denial of service condition (memory consumption) by triggering "i40e_setup_channel()" failures.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Linux kernel: 5.3 - 5.3.11
External links
http://github.com/torvalds/linux/commit/27d461333459d282ffa4a2bdb6b215a59d493a8f
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/O3PSDE6PTOTVBK2YTKB2TFQP2SUBVSNF/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PY7LJMSPAGRIKABJPDKQDTXYW3L5RX2T/
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.