Vulnerability identifier: #VU93733
Vulnerability risk: Low
CVSSv3.1: 3.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-269
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 read and manipulate data.
The vulnerability exists due to improperly imposed permissions within the DEFINE_SPINLOCK(), tracefs_apply_options() and tracefs_d_revalidate() functions in fs/tracefs/inode.c, within the eventfs_remount() function in fs/tracefs/event_inode.c. A local user can read and manipulate data.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Linux kernel:
External links
http://git.kernel.org/stable/c/5f91fc82794d4a6e41cdcd02d00baa377d94ca78
http://git.kernel.org/stable/c/414fb08628143203d29ccd0264b5a83fb9523c03
http://git.kernel.org/stable/c/baa23a8d4360d981a49913841a726edede5cdd54
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.