#VU90178 Use-after-free in Linux kernel - CVE-2024-27043

Vulnerability identifier: #VU90178

Vulnerability 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-2024-27043

CWE-ID: CWE-416

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 escalate privileges on the system.

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

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/d0f5c28333822f9baa5280d813124920720fd856
https://git.kernel.org/stable/c/f20c3270f3ed5aa6919a87e4de9bf6c05fb57086
https://git.kernel.org/stable/c/096237039d00c839f3e3a5fe6d001bf0db45b644
https://git.kernel.org/stable/c/0d3fe80b6d175c220b3e252efc6c6777e700e98e
https://git.kernel.org/stable/c/437a111f79a2f5b2a5f21e27fdec6f40c8768712
https://git.kernel.org/stable/c/779e8db7efb22316c8581d6c229636d2f5694a62
https://git.kernel.org/stable/c/35674111a043b0482a9bc69da8850a83f465b07d
https://git.kernel.org/stable/c/b7586e902128e4fb7bfbb661cb52e4215a65637b
https://git.kernel.org/stable/c/8c64f4cdf4e6cc5682c52523713af8c39c94e6d5

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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.