Unrated severityNVD Advisory· Published Jul 20, 2023· Updated Feb 13, 2025
There's a use-after-free vulnerability in grub_cmd_chainloader() function
CVE-2022-28736
Description
There's a use-after-free vulnerability in grub_cmd_chainloader() 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.
AI Insight
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Affected products
67- osv-coords65 versionspkg:rpm/almalinux/grub2-commonpkg:rpm/almalinux/grub2-efi-aa64pkg:rpm/almalinux/grub2-efi-aa64-cdbootpkg:rpm/almalinux/grub2-efi-aa64-modulespkg:rpm/almalinux/grub2-efi-ia32pkg:rpm/almalinux/grub2-efi-ia32-cdbootpkg:rpm/almalinux/grub2-efi-ia32-modulespkg:rpm/almalinux/grub2-efi-x64pkg:rpm/almalinux/grub2-efi-x64-cdbootpkg:rpm/almalinux/grub2-efi-x64-modulespkg:rpm/almalinux/grub2-pcpkg:rpm/almalinux/grub2-pc-modulespkg:rpm/almalinux/grub2-ppc64lepkg:rpm/almalinux/grub2-ppc64le-modulespkg:rpm/almalinux/grub2-toolspkg:rpm/almalinux/grub2-tools-efipkg:rpm/almalinux/grub2-tools-extrapkg:rpm/almalinux/grub2-tools-minimalpkg:rpm/almalinux/shim-aa64pkg:rpm/almalinux/shim-ia32pkg:rpm/almalinux/shim-unsigned-x64pkg:rpm/almalinux/shim-x64pkg:rpm/opensuse/grub2&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/grub2&distro=openSUSE%20Leap%2015.4pkg:rpm/opensuse/grub2&distro=openSUSE%20Tumbleweedpkg:rpm/suse/grub2&distro=HPE%20Helion%20OpenStack%208pkg:rpm/suse/grub2&distro=SUSE%20Enterprise%20Storage%206pkg:rpm/suse/grub2&distro=SUSE%20Enterprise%20Storage%207pkg:rpm/suse/grub2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOSpkg:rpm/suse/grub2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSSpkg:rpm/suse/grub2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-ESPOSpkg:rpm/suse/grub2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/grub2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOSpkg:rpm/suse/grub2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSSpkg:rpm/suse/grub2&distro=SUSE%20Linux%20Enterprise%20Micro%205.1pkg:rpm/suse/grub2&distro=SUSE%20Linux%20Enterprise%20Micro%205.2pkg:rpm/suse/grub2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3pkg:rpm/suse/grub2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP4pkg:rpm/suse/grub2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP3pkg:rpm/suse/grub2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP4pkg:rpm/suse/grub2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/grub2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCLpkg:rpm/suse/grub2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSSpkg:rpm/suse/grub2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4-LTSSpkg:rpm/suse/grub2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/grub2&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-BCLpkg:rpm/suse/grub2&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSSpkg:rpm/suse/grub2&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-BCLpkg:rpm/suse/grub2&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/grub2&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSSpkg:rpm/suse/grub2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/grub2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/grub2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/grub2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015pkg:rpm/suse/grub2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1pkg:rpm/suse/grub2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/grub2&distro=SUSE%20Manager%20Proxy%204.1pkg:rpm/suse/grub2&distro=SUSE%20Manager%20Proxy%20Module%204.2pkg:rpm/suse/grub2&distro=SUSE%20Manager%20Proxy%20Module%204.3pkg:rpm/suse/grub2&distro=SUSE%20Manager%20Retail%20Branch%20Server%204.1pkg:rpm/suse/grub2&distro=SUSE%20Manager%20Server%204.1pkg:rpm/suse/grub2&distro=SUSE%20OpenStack%20Cloud%208pkg:rpm/suse/grub2&distro=SUSE%20OpenStack%20Cloud%209pkg:rpm/suse/grub2&distro=SUSE%20OpenStack%20Cloud%20Crowbar%208pkg:rpm/suse/grub2&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209
< 1:2.02-123.el8_6.8.alma+ 64 more
- (no CPE)range: < 1:2.02-123.el8_6.8.alma
- (no CPE)range: < 1:2.02-123.el8_6.8.alma
- (no CPE)range: < 1:2.02-123.el8_6.8.alma
- (no CPE)range: < 1:2.02-123.el8_6.8.alma
- (no CPE)range: < 1:2.02-123.el8_6.8.alma
- (no CPE)range: < 1:2.02-123.el8_6.8.alma
- (no CPE)range: < 1:2.02-123.el8_6.8.alma
- (no CPE)range: < 1:2.02-123.el8_6.8.alma
- (no CPE)range: < 1:2.02-123.el8_6.8.alma
- (no CPE)range: < 1:2.02-123.el8_6.8.alma
- (no CPE)range: < 1:2.02-123.el8_6.8.alma
- (no CPE)range: < 1:2.02-123.el8_6.8.alma
- (no CPE)range: < 1:2.06-27.el9_0.7.alma
- (no CPE)range: < 1:2.02-123.el8_6.8.alma
- (no CPE)range: < 1:2.02-123.el8_6.8.alma
- (no CPE)range: < 1:2.02-123.el8_6.8.alma
- (no CPE)range: < 1:2.02-123.el8_6.8.alma
- (no CPE)range: < 1:2.02-123.el8_6.8.alma
- (no CPE)range: < 15.6-1.el8.alma
- (no CPE)range: < 15.6-1.el8.alma
- (no CPE)range: < 15.6-1.el8.alma
- (no CPE)range: < 15.6-1.el8.alma
- (no CPE)range: < 2.04-150300.22.20.2
- (no CPE)range: < 2.06-150400.11.5.2
- (no CPE)range: < 2.06-25.1
- (no CPE)range: < 2.02-137.2
- (no CPE)range: < 2.02-150100.123.12.2
- (no CPE)range: < 2.04-150200.9.63.2
- (no CPE)range: < 2.02-150100.123.12.2
- (no CPE)range: < 2.02-150100.123.12.2
- (no CPE)range: < 2.04-150200.9.63.2
- (no CPE)range: < 2.04-150200.9.63.2
- (no CPE)range: < 2.02-150000.122.12.2
- (no CPE)range: < 2.02-150000.122.12.2
- (no CPE)range: < 2.04-150300.3.5.1
- (no CPE)range: < 2.04-150300.22.20.2
- (no CPE)range: < 2.04-150300.22.20.2
- (no CPE)range: < 2.06-150400.11.5.2
- (no CPE)range: < 2.04-150300.22.20.2
- (no CPE)range: < 2.06-150400.11.5.2
- (no CPE)range: < 2.02-115.67.2
- (no CPE)range: < 2.02-137.2
- (no CPE)range: < 2.02-137.2
- (no CPE)range: < 2.02-143.2
- (no CPE)range: < 2.02-143.2
- (no CPE)range: < 2.02-150100.123.12.2
- (no CPE)range: < 2.02-150100.123.12.2
- (no CPE)range: < 2.04-150200.9.63.2
- (no CPE)range: < 2.04-150200.9.63.2
- (no CPE)range: < 2.02-150000.122.12.2
- (no CPE)range: < 2.02-137.2
- (no CPE)range: < 2.02-143.2
- (no CPE)range: < 2.02-143.2
- (no CPE)range: < 2.02-150000.122.12.2
- (no CPE)range: < 2.02-150100.123.12.2
- (no CPE)range: < 2.04-150200.9.63.2
- (no CPE)range: < 2.04-150200.9.63.2
- (no CPE)range: < 2.04-150300.22.20.2
- (no CPE)range: < 2.06-150400.11.5.2
- (no CPE)range: < 2.04-150200.9.63.2
- (no CPE)range: < 2.04-150200.9.63.2
- (no CPE)range: < 2.02-137.2
- (no CPE)range: < 2.02-143.2
- (no CPE)range: < 2.02-137.2
- (no CPE)range: < 2.02-143.2
- Range: 0
Patches
Vulnerability mechanics
References
3- cve.mitre.org/cgi-bin/cvename.cgimitreissue-tracking
- www.openwall.com/lists/oss-security/2022/06/07/5mitremailing-list
- security.netapp.com/advisory/ntap-20230825-0002/mitre
News mentions
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