NULL pointer dereference in Linux kernel fuse



| Updated: 2025-05-11
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2024-53219
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: #VU102132

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-2024-53219

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 virtio_fs_get_tree() function in fs/fuse/virtio_fs.c, within the fuse_read_args_fill(), fuse_release_user_pages(), fuse_aio_complete_req(), fuse_get_frag_size(), fuse_get_user_pages() and fuse_direct_io() functions in fs/fuse/file.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: 6.11 - 6.11.10

CPE2.3 External links

https://git.kernel.org/stable/c/2bc07714dc955a91d2923a440ea02c3cb3376b10
https://git.kernel.org/stable/c/41748675c0bf252b3c5f600a95830f0936d366c1
https://git.kernel.org/stable/c/9a8fde56d4b6d51930936ed50f6370a9097328d1
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.11


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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