Vulnerability identifier: #VU90927

Vulnerability risk: Low

CVSSv3.1: 4.8 [AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-26782

CWE-ID: CWE-415

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 a double free error within the mptcp_inet6_sk() and mptcp_sk_clone() functions in net/mptcp/protocol.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel:

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External links
http://git.kernel.org/stable/c/f74362a004225df935863dea6eb7d82daaa5b16e
http://git.kernel.org/stable/c/4a4eeb6912538c2d0b158e8d11b62d96c1dada4e
http://git.kernel.org/stable/c/d93fd40c62397326046902a2c5cb75af50882a85
http://git.kernel.org/stable/c/ce0809ada38dca8d6d41bb57ab40494855c30582
http://git.kernel.org/stable/c/85933e80d077c9ae2227226beb86c22f464059cc
http://git.kernel.org/stable/c/10048689def7e40a4405acda16fdc6477d4ecc5c

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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.