Resource management error in Linux kernel android driver

1) Resource management error

EUVDB-ID: #VU93605

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: CVE-2021-47360

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to resource management error within the binder_deferred_fd_close(), binder_transaction_buffer_release(), binder_free_txn_fixups(), binder_free_buf(), binder_thread_write() and binder_cleanup_transaction() functions in drivers/android/binder.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions

CPE2.3

External links

http://git.kernel.org/stable/c/aa2c274c279ff365a06a4cba263f04965895166e
http://git.kernel.org/stable/c/d5b0473707fa53b03a5db0256ce62b2874bddbc7
http://git.kernel.org/stable/c/b95483d8d94b41fa31a84c1d86710b7907a37621
http://git.kernel.org/stable/c/5fdb55c1ac9585eb23bb2541d5819224429e103d

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.