Vulnerability identifier: #VU90214
Vulnerability risk: Low
CVSSv3.1: 7.7 [AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-416
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 escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the tcf_mirred_to_dev() function in net/sched/act_mirred.c. A local user can escalate privileges on the system.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Linux kernel:
External links
http://git.kernel.org/stable/c/28cdbbd38a4413b8eff53399b3f872fd4e80db9d
http://git.kernel.org/stable/c/f4e294bbdca8ac8757db436fc82214f3882fc7e7
http://git.kernel.org/stable/c/166c2c8a6a4dc2e4ceba9e10cfe81c3e469e3210
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.