NULL pointer dereference in Linux kernel nand raw driver



| Updated: 2025-05-11
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-49487
CWE-ID CWE-476
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Linux kernel
Operating systems & Components / Operating system

Vendor Linux Foundation

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) NULL pointer dereference

EUVDB-ID: #VU104585

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-2022-49487

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 ebu_nand_probe() function in drivers/mtd/nand/raw/intel-nand-controller.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: 5.18 - 5.18.2

CPE2.3 External links

https://git.kernel.org/stable/c/daa5166450b447415aeeaac0199e445bae7bd0f2
https://git.kernel.org/stable/c/ddf66aefd685fd46500b9917333e1b1e118276dc
https://git.kernel.org/stable/c/e5b1e419cdb6dd8709eb05ed34039a3ded8e6003
https://git.kernel.org/stable/c/f8e262eb7575a4a2412f30f7a1b293875aceba80
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.3


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.



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