NULL pointer dereference in Linux kernel intel ice driver

1) NULL pointer dereference

EUVDB-ID: #VU94435

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-2022-48841

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference within the ice_update_vsi_tx_ring_stats() function in drivers/net/ethernet/intel/ice/ice_main.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: 5.16 - 5.17 rc12

CPE2.3

• cpe:2.3:o:linux_foundation:linux_kernel:5.16:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:5.16:rc1:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:5.16:rc2:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:5.16:rc3:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:5.16:rc4:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:5.16:rc5:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:5.16:rc6:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:5.16:rc8:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:5.16.0:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:5.16.1:*:*:*:*:*:*:*

External links

https://git.kernel.org/stable/c/2397270ec97c5e3009a58ac110a25e1869e9d6ff
https://git.kernel.org/stable/c/f153546913bada41a811722f2c6d17c3243a0333
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.17
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17

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.