#VU100620 Out-of-bounds read in Linux kernel - CVE-2024-50279

Vulnerability identifier: #VU100620

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-2024-50279

CWE-ID: CWE-125

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 an out-of-bounds read error within the can_resize() function in drivers/md/dm-cache-target.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: 4.19 - 4.19.323, 5.4 - 5.4.285, 5.10 - 5.10.229, 5.15 - 5.15.171, 6.1 - 6.1.116, 6.6 - 6.6.60, 6.11 - 6.11.7

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External links
https://git.kernel.org/stable/c/4fa4feb873cea0e9d6ff883b37cca6f33169d8b4
https://git.kernel.org/stable/c/8501e38dc9e0060814c4085815fc83da3e6d43bf
https://git.kernel.org/stable/c/ee1f74925717ab36f6a091104c170639501ce818
https://git.kernel.org/stable/c/ff1dd8a04c30e8d4e2fd5c83198ca672eb6a9e7f
https://git.kernel.org/stable/c/56507203e1b6127967ec2b51fb0b23a0d4af1334
https://git.kernel.org/stable/c/e57648ce325fa405fe6bbd0e6a618ced7c301a2d
https://git.kernel.org/stable/c/3b02c40ff10fdf83cc545850db208de855ebe22c
https://git.kernel.org/stable/c/792227719725497ce10a8039803bec13f89f8910
https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.324
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.230
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.172
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.286
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.117
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.8
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.61

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?