Vulnerability identifier: #VU94262
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:
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 sock_map_close() function in net/core/sock_map.c. A local user can perform a denial of service (DoS) attack.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Linux kernel:
External links
http://git.kernel.org/stable/c/4959ffc65a0e94f8acaac20deac49f89e6ded52d
http://git.kernel.org/stable/c/5eabdf17fed2ad41b836bb4055ec36d95e512c50
http://git.kernel.org/stable/c/e946428439a0d2079959f5603256ac51b6047017
http://git.kernel.org/stable/c/3627605de498639a3c586c8684d12c89cba11073
http://git.kernel.org/stable/c/4b4647add7d3c8530493f7247d11e257ee425bf0
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.