Vulnerability identifier: #VU90511

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-2024-35891

CWE-ID: CWE-476

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 NULL pointer dereference within the lan8814_txtstamp(), lan8814_get_sig_rx(), lan8814_match_rx_ts(), lan8814_ptpci_adjfine(), lan8814_get_sig_tx(), lan8814_dequeue_tx_skb() and lan8814_match_skb() functions in drivers/net/phy/micrel.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
http://git.kernel.org/stable/c/10608161696c2768f53426642f78a42bcaaa53e8
http://git.kernel.org/stable/c/95c1016a2d92c4c28a9d1b6d09859c00b19c0ea4
http://git.kernel.org/stable/c/49767b0df276f12e3e7184601e09ee7430e252dc
http://git.kernel.org/stable/c/96c155943a703f0655c0c4cab540f67055960e91

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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.