Improper error handling in Linux kernel mac80211

1) Improper error handling

EUVDB-ID: #VU96364

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/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-2022-48875

CWE-ID: CWE-388 - Error Handling

Exploit availability: No

Description

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

The vulnerability exists due to improper error handling within the drv_ampdu_action() function in net/mac80211/driver-ops.c, within the ieee80211_tx_ba_session_handle_start() function in net/mac80211/agg-tx.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

External links

http://git.kernel.org/stable/c/187523fa7c2d4c780f775cb869216865c4a909ef
http://git.kernel.org/stable/c/a12fd43bd175fa52c82f9740179d38c34ca1b62e
http://git.kernel.org/stable/c/c838df8461a601b20dc1b9fb1834d2aad8e2f949
http://git.kernel.org/stable/c/69403bad97aa0162e3d7911b27e25abe774093df

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.