Use-after-free in Linux kernel ufs core driver

1) Use-after-free

EUVDB-ID: #VU104956

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-54458

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the ufs_bsg_remove() function in drivers/ufs/core/ufs_bsg.c. A local user can escalate privileges on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: 6.13 - 6.13.3

CPE2.3

• cpe:2.3:o:linux_foundation:linux_kernel:6.13:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.13.1:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.13.2:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.13.3:*:*:*:*:*:*:*

External links

https://git.kernel.org/stable/c/1e95c798d8a7f70965f0f88d4657b682ff0ec75f
https://git.kernel.org/stable/c/5e7b6e44468c3242c21c2a8656d009fb3eb50a73
https://git.kernel.org/stable/c/5f782d4741bf558def60df192b858b0efc6a5f0a
https://git.kernel.org/stable/c/88a01e9c9ad40c075756ba93b47984461d4ff15d
https://git.kernel.org/stable/c/9193bdc170cc23fe98aca71d1a63c0bf6e1e853b
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.4

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.