SB2022101737 - Improper resource shutdown or release in Linux kernel lib bpf
Published: October 17, 2022
Security Bulletin ID
SB2022101737
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper resource shutdown or release (CVE-ID: CVE-2022-3533)
CWE-ID: CWE-404 - Improper Resource Shutdown or Release
CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper resource shutdown or release error within the calc_pt_regs_off() and parse_usdt_arg() functions in tools/lib/bpf/usdt.c. A remote user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.