#VU104599 NULL pointer dereference in Linux kernel - CVE-2022-49532
Vulnerability identifier: #VU104599
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-2022-49532
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 virtio_gpu_conn_get_modes() function in drivers/gpu/drm/virtio/virtgpu_display.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/0f8bc147a963686b7351aa35d1701124ffacac08
https://git.kernel.org/stable/c/194d250cdc4a40ccbd179afd522a9e9846957402
https://git.kernel.org/stable/c/32e10aabc287f09a148ff759bb9ce70b01b0012c
https://git.kernel.org/stable/c/848dd072744ea662ab3097e3c8282bee552df218
https://git.kernel.org/stable/c/c51d00472fa54b9b05c17789ed665c17adf3a25d
https://git.kernel.org/stable/c/e0828456578cc8ba0a69147f7ae3428392eec287
https://git.kernel.org/stable/c/edafcad84c4134ebec4bc24b29ca4497a1184eea
https://git.kernel.org/stable/c/f85cb059fad03a3b33a50023be91e944bb065ae8
https://git.kernel.org/stable/c/fadc626cae99aaa1325094edc6a9e2b883f3e562
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.
