AZL-34791
See a problem?- Import Source
- https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-34791.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/AZL-34791
- Upstream
- Published
- 2023-07-20T01:15:10Z
- Modified
- 2026-04-01T05:11:41.927129Z
- Severity
-
- 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- CVE-2022-28736 affecting package grub2 for versions less than 2.06-14
- Details
-
There's a use-after-free vulnerability in grubcmdchainloader() function; The chainloader command is used to boot up operating systems that doesn't support multiboot and do not have direct support from GRUB2. When executing chainloader more than once a use-after-free vulnerability is triggered. If an attacker can control the GRUB2's memory allocation pattern sensitive data may be exposed and arbitrary code execution can be achieved.
- References