#VU94947 Use-after-free in Linux kernel - CVE-2024-41049

Vulnerability identifier: #VU94947

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-2024-41049

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 posix_lock_inode() function in fs/locks.c. A local user can escalate privileges on the system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: 5.4 - 5.4.279, 5.10 - 5.10.221, 5.15 - 5.15.162, 6.1 - 6.1.99, 6.6 - 6.6.40

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External links
https://git.kernel.org/stable/c/1cbbb3d9475c403ebedc327490c7c2b991398197
https://git.kernel.org/stable/c/7d4c14f4b511fd4c0dc788084ae59b4656ace58b
https://git.kernel.org/stable/c/02a8964260756c70b20393ad4006948510ac9967
https://git.kernel.org/stable/c/5cb36e35bc10ea334810937990c2b9023dacb1b0
https://git.kernel.org/stable/c/432b06b69d1d354a171f7499141116536579eb6a
https://git.kernel.org/stable/c/116599f6a26906cf33f67975c59f0692ecf7e9b2
https://git.kernel.org/stable/c/1b3ec4f7c03d4b07bad70697d7e2f4088d2cfe92
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.222
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.163
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.280
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.100
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.41

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?