#VU99043 Input validation error in Linux kernel - CVE-2024-49953

Vulnerability identifier: #VU99043

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-2024-49953

CWE-ID: CWE-20

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 improper input validation within the mlx5e_ipsec_handle_tx_limit() function in drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c. A local user can perform a denial of service (DoS) attack.

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/fab615ac9fcb8589222303099975d464d8857527
https://git.kernel.org/stable/c/0b1672834634df9ac9cedf856db9fc36d92c50ef
https://git.kernel.org/stable/c/151e7dead1f5399a73c19c4b50307ea48aff1dc0
https://git.kernel.org/stable/c/7b124695db40d5c9c5295a94ae928a8d67a01c3d

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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.