#VU93652 Improper error handling in Linux kernel - CVE-2024-26955

Vulnerability identifier: #VU93652

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-2024-26955

CWE-ID: CWE-388

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 improper error handling within the nilfs_get_block() function in fs/nilfs2/inode.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

---

External links
https://git.kernel.org/stable/c/91e4c4595fae5e87069e44687ae879091783c183
https://git.kernel.org/stable/c/32eaee72e96590a75445c8a6c7c1057673b47e07
https://git.kernel.org/stable/c/f0fe7ad5aff4f0fcf988913313c497de85f1e186
https://git.kernel.org/stable/c/ca581d237f3b8539c044205bb003de71d75d227c
https://git.kernel.org/stable/c/192e9f9078c96be30b31c4b44d6294b24520fce5
https://git.kernel.org/stable/c/0c8aa4cfda4e4adb15d5b6536d155eca9c9cd44c
https://git.kernel.org/stable/c/48d443d200237782dc82e6b60663ec414ef02e39
https://git.kernel.org/stable/c/76ffbe911e2798c7296968f5fd72f7bf67207a8d
https://git.kernel.org/stable/c/269cdf353b5bdd15f1a079671b0f889113865f20
https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html

---

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.