Vulnerability identifier: #VU92363
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-667
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 improper locking within the tc_taprio_configure() function in drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c, within the stmmac_adjust_time() function in drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.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/487f9030b1ef34bab123f2df2a4ccbe01ba84416
http://git.kernel.org/stable/c/6f476aff2d8da1a189621c4c16a76a6c534e4312
http://git.kernel.org/stable/c/36ac9e7f2e5786bd37c5cd91132e1f39c29b8197
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.