#VU97507 Out-of-bounds read in Linux kernel - CVE-2024-46793

Vulnerability identifier: #VU97507

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-2024-46793

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 snd_cht_mc_probe() function in sound/soc/intel/boards/cht_bsw_rt5672.c, within the snd_cht_mc_probe() function in sound/soc/intel/boards/cht_bsw_rt5645.c, within the snd_byt_wm5102_mc_probe() function in sound/soc/intel/boards/bytcr_wm5102.c, within the snd_byt_rt5651_mc_probe() function in sound/soc/intel/boards/bytcr_rt5651.c, within the snd_byt_rt5640_mc_probe() function in sound/soc/intel/boards/bytcr_rt5640.c, within the snd_byt_cht_es8316_mc_probe() function in sound/soc/intel/boards/bytcht_es8316.c, within the bytcht_da7213_probe() function in sound/soc/intel/boards/bytcht_da7213.c, within the snd_byt_cht_cx2072x_probe() function in sound/soc/intel/boards/bytcht_cx2072x.c, within the broxton_audio_probe() function in sound/soc/intel/boards/bxt_rt298.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

---

External links
https://git.kernel.org/stable/c/85cda5b040bda9c577b34eb72d5b2e5b7e31985c
https://git.kernel.org/stable/c/0cc65482f5b03ac2b1c240bc34665e43ea2d71bb

---

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.