#VU98365 Out-of-bounds read in Linux kernel - CVE-2024-47670

Vulnerability identifier: #VU98365

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-2024-47670

CWE-ID: CWE-125

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 an out-of-bounds read error within the ocfs2_listxattr(), ocfs2_xattr_find_entry(), ocfs2_xattr_ibody_get(), ocfs2_xattr_ibody_find() and ocfs2_xattr_block_find() functions in fs/ocfs2/xattr.c. 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/9b32539590a8e6400ac2f6e7cf9cbb8e08711a2f
https://git.kernel.org/stable/c/1f6e167d6753fe3ea493cdc7f7de8d03147a4d39
https://git.kernel.org/stable/c/8e7bef408261746c160853fc27df3139659f5f77
https://git.kernel.org/stable/c/9e3041fecdc8f78a5900c3aa51d3d756e73264d6

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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.