CVE-2021-4034 · netVigilance record NV22-0473
Red Hat Polkit Out-of-Bounds Read and Write
past due ransomware
What to do
Apply updates per vendor instructions.
CISA deadline 2022-07-18 · passed 4 years 1 month ago · applies to US federal civilian agencies; used elsewhere as a reference SLA
What happened
The Red Hat polkit pkexec utility contains an out-of-bounds read and write vulnerability that allows for privilege escalation with administrative rights.
Who is affected
Red Hat Polkit. Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.
Weakness class: CWE-787.
Timeline
- Added to CISA KEVExploitation in the wild confirmed by CISA
- CISA remediation deadlinepassed 4 years 1 month ago
Sources
- NVD entry for CVE-2021-4034 nvd.nist.gov/vuln/detail/CVE-2021-4034
- CISA Known Exploited Vulnerabilities catalog www.cisa.gov/known-exploited-vulnerabilities-catalog
- nvd.nist.gov nvd.nist.gov/vuln/detail/CVE-2021-4034