Vulnerability identifier: #VU96294
Vulnerability risk: Low
CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-667
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 improper locking within the next_ceqe_sw_v2(), hns_roce_v2_msix_interrupt_eq(), hns_roce_ceq_work(), __hns_roce_request_irq() and __hns_roce_free_irq() functions in drivers/infiniband/hw/hns/hns_roce_hw_v2.c. A local user can perform a denial of service (DoS) attack.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Linux kernel:
External links
http://git.kernel.org/stable/c/06580b33c183c9f98e2a2ca96a86137179032c08
http://git.kernel.org/stable/c/2fdf34038369c0a27811e7b4680662a14ada1d6b
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.