Vulnerability identifier: #VU30283
Vulnerability risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-476
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Linux kernel
Operating systems & Components /
Operating system
Vendor: Linux Foundation
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error in the Linux kernel before 5.2. There is a NULL pointer dereference in tw5864_handle_frame() in drivers/media/pci/tw5864/tw5864-video.c, which may cause denial of service, aka CID-2e7682ebfc75. A remote attacker can perform a denial of service (DoS) attack.
Mitigation
Update to version 5.2.
Vulnerable software versions
Linux kernel: 5.0 - 5.0.21, 5.1 - 5.1.21
External links
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html
http://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2e7682ebfc750177a4944eeb56e97a3f05734528
http://github.com/torvalds/linux/commit/2e7682ebfc750177a4944eeb56e97a3f05734528
http://lists.debian.org/debian-lts-announce/2020/06/msg00012.html
http://security.netapp.com/advisory/ntap-20200619-0001/
http://www.debian.org/security/2020/dsa-4698
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.