#VU102912 Use-after-free in Linux kernel - CVE-2024-57849

Vulnerability identifier: #VU102912

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-2024-57849

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 cpumsf_pmu_stop() function in arch/s390/kernel/perf_cpum_sf.c. A local user can escalate privileges on the system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: 6.12 - 6.12.4

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External links
https://git.kernel.org/stable/c/06a92f810df8037ca36157282ddcbefdcaf049b8
https://git.kernel.org/stable/c/238e3af849dfdcb1faed544349f7025e533f9aab
https://git.kernel.org/stable/c/99192c735ed4bfdff0d215ec85c8a87a677cb898
https://git.kernel.org/stable/c/a0bd7dacbd51c632b8e2c0500b479af564afadf3
https://git.kernel.org/stable/c/a69752f1e5de817941a2ea0609254f6f25acd274
https://git.kernel.org/stable/c/b5be6a0bb639d165c8418d8dddd8f322587be8be
https://git.kernel.org/stable/c/be54e6e0f93a39a9c00478d70d12956a5f3d5b9b
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.5

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?