#VU97289 Input validation error in Linux kernel - CVE-2024-46705

Vulnerability identifier: #VU97289

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-2024-46705

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 xe_mmio_tile_vram_size(), xe_mmio_probe_vram(), devm_add_action_or_reset() and mmio_fini() functions in drivers/gpu/drm/xe/xe_mmio.c, within the xe_device_probe() function in drivers/gpu/drm/xe/xe_device.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/b1c9fbed3884d3883021d699c7cdf5253a65543a
https://git.kernel.org/stable/c/c7117419784f612d59ee565145f722e8b5541fe6

---

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.