Vulnerability identifier: #VU93028
Vulnerability risk: Low
CVSSv3.1: 4.8 [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 nf_tproxy_laddr4() function in net/ipv4/netfilter/nf_tproxy_ipv4.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/10f0af5234dafd03d2b75233428ec3f11cf7e43d
http://git.kernel.org/stable/c/07eeedafc59c45fe5de43958128542be3784764c
http://git.kernel.org/stable/c/6fe5af4ff06db3d4d80e07a19356640428159f03
http://git.kernel.org/stable/c/caf3a8afb5ea00db6d5398adf148d5534615fd80
http://git.kernel.org/stable/c/570b4c52096e62fda562448f5760fd0ff06110f0
http://git.kernel.org/stable/c/819bfeca16eb9ad647ddcae25e7e12c30612147c
http://git.kernel.org/stable/c/21a673bddc8fd4873c370caf9ae70ffc6d47e8d3
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.