#VU111579 Improper locking in Linux kernel - CVE-2022-50098
Vulnerability identifier: #VU111579
Vulnerability risk: Low
CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]
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 qla2xxx_eh_abort(), qla2x00_eh_wait_for_pending_commands(), qla2xxx_eh_device_reset() and qla2xxx_eh_target_reset() functions in drivers/scsi/qla2xxx/qla_os.c. A local user can perform a denial of service (DoS) attack.
Mitigation
Install update from vendor's repository.
Vulnerable software versions
Linux kernel: 5.15, 5.15 rc1, 5.15 rc2, 5.15 rc3, 5.15 rc4, 5.15 rc5, 5.15 rc6, 5.15 rc7, 5.15.0, 5.15.1, 5.15.2, 5.15.3, 5.15.4, 5.15.5, 5.15.6, 5.15.7, 5.15.8, 5.15.9, 5.15.10, 5.15.11, 5.15.12, 5.15.13, 5.15.14, 5.15.15, 5.15.16, 5.15.17, 5.15.18, 5.15.19, 5.15.20, 5.15.21, 5.15.22, 5.15.23, 5.15.24, 5.15.25, 5.15.26, 5.15.27, 5.15.28, 5.15.29, 5.15.30, 5.15.31, 5.15.32, 5.15.33, 5.15.34, 5.15.35, 5.15.36, 5.15.37, 5.15.38, 5.15.39, 5.15.40, 5.15.41, 5.15.42, 5.15.43, 5.15.44, 5.15.45, 5.15.46, 5.15.47, 5.15.48, 5.15.49, 5.15.50, 5.15.51, 5.15.52, 5.15.53, 5.15.54, 5.15.55, 5.15.56, 5.15.57, 5.15.58, 5.15.59, 5.15.60, 5.18, 5.18 rc1, 5.18 rc2, 5.18 rc3, 5.18 rc5, 5.18 rc6, 5.18 rc7, 5.18 rc8, 5.18.1, 5.18.2, 5.18.3, 5.18.4, 5.18.5, 5.18.6, 5.18.7, 5.18.8, 5.18.9, 5.18.10, 5.18.11, 5.18.12, 5.18.13, 5.18.14, 5.18.15, 5.18.16, 5.18.17, 5.19, 5.19 rc1, 5.19 rc4, 5.19 rc5, 5.19 rc6, 5.19.1, 6.0 rc1, 6.0 rc2, 6.0 rc3, 6.0 rc4
External links
https://git.kernel.org/stable/c/7dcd49c42b14717dd668fd73b503d241fdf82439
https://git.kernel.org/stable/c/b70553175d0f94ebd73670bc16ade90bd7f7d76f
https://git.kernel.org/stable/c/b7bae3886a30d258b5b4fee26647043d68da3661
https://git.kernel.org/stable/c/c39587bc0abaf16593f7abcdf8aeec3c038c7d52
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.61
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.18
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0
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.
