#VU104606 NULL pointer dereference in Linux kernel - CVE-2022-49605

Vulnerability identifier: #VU104606

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-2022-49605

CWE-ID: CWE-476

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 NULL pointer dereference within the drivers/net/ethernet/intel/igc/igc_regs.h. 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/16cb6717f4f42487ef10583eb8bc98e7d1e33d65
https://git.kernel.org/stable/c/70965b6e5c03aa70cc754af1226b9f9cde0c4bf3
https://git.kernel.org/stable/c/77836dbe35382aaf8108489060c5c89530c77494
https://git.kernel.org/stable/c/7c1ddcee5311f3315096217881d2dbe47cc683f9
https://git.kernel.org/stable/c/e75b73081f1ec169518773626c2ff3950476660b

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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.