Vulnerability identifier: #VU97531

Vulnerability risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/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-2024-46715

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 EXPORT_SYMBOL_GPL(), iio_channel_read() and iio_channel_read_avail() functions in drivers/iio/inkern.c, within the iio_ev_state_store(), iio_ev_state_show() and iio_ev_value_show() functions in drivers/iio/industrialio-event.c, within the iio_read_channel_info() and iio_read_channel_info_avail() functions in drivers/iio/industrialio-core.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/0cc7e0ee31e5c44904e98e2229d591e093282a70
http://git.kernel.org/stable/c/72f022ebb9deac28663fa4c04ba315ed5d6654d1
http://git.kernel.org/stable/c/dc537a72f64890d883d24ae4ac58733fc5bc523d
http://git.kernel.org/stable/c/c4ec8dedca961db056ec85cb7ca8c9f7e2e92252

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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.