#VU94936 Use-after-free in Linux kernel
Vulnerability identifier: #VU94936
Vulnerability risk: Low
CVSSv3.1: 7.7 [CVSS:3.1/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 nilfs_store_disk_layout() function in fs/nilfs2/the_nilfs.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/57235c3c88bb430043728d0d02f44a4efe386476
http://git.kernel.org/stable/c/08cab183a624ba71603f3754643ae11cab34dbc4
http://git.kernel.org/stable/c/731011ac6c37cbe97ece229fc6daa486276052c5
http://git.kernel.org/stable/c/3be4dcc8d7bea52ea41f87aa4bbf959efe7a5987
http://git.kernel.org/stable/c/fae1959d6ab2c52677b113935e36ab4e25df37ea
http://git.kernel.org/stable/c/9194f8ca57527958bee207919458e372d638d783
http://git.kernel.org/stable/c/1c91058425a01131ea30dda6cf43c67b17884d6a
http://git.kernel.org/stable/c/e2fec219a36e0993642844be0f345513507031f4
Q & A
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.
