Name: CVE-2021-22600: Double Free
Creator: Rapid7
Published: 2022-01-26T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2021-22600, CWE-415, Exploited in the Wild, CISA KEV Exploit, CVSS 6.6, EPSS 0.06586, CISA KEV

A double free bug in packet_set_ring() in net/packet/af_packet.c can be exploited by a local user through crafted syscalls to escalate privileges or deny service. We recommend upgrading kernel past the effected versions or rebuilding past ec6af094ea28f0f2dda1a6a33b14cd57e36a9755

CVSS Details

CVSS 3.1 Base Score: 6.6
CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Debian	—	Upgrade linux	Mar 10, 2022	Jan 26, 2022
Huawei Euleros 2_0_sp10	—	Upgrade python3-perfUpgrade kernelUpgrade kernel-tools-libsUpgrade kernel-abi-stablelistsUpgrade kernel-tools	May 9, 2022	Jan 26, 2022
Huawei Euleros 2_0_sp9	—	Upgrade kernelUpgrade kernel-tools-libsUpgrade python3-perfUpgrade kernel-tools	Apr 19, 2022	Jan 26, 2022
Oracle_linux	—	Upgrade kernel-uek	Apr 12, 2022	Dec 15, 2021
Suse	—	Upgrade dtb-amlogicUpgrade kernel-livepatch-5_3_18-24_78-defaultUpgrade kernel-azure-extraUpgrade kernel-livepatch-5_3_18-150300_59_46-defaultUpgrade cluster-md-kmp-defaultUpgrade kernel-livepatch-5_3_18-59_27-defaultUpgrade kernel-obs-qaUpgrade kernel-64kbUpgrade dtb-amdUpgrade dtb-lgUpgrade kernel-debug-livepatch-develUpgrade kernel-livepatch-5_3_18-24_75-defaultUpgrade dtb-alteraUpgrade kernel-zfcpdumpUpgrade dtb-hisiliconUpgrade kernel-livepatch-5_3_18-24_70-defaultUpgrade kernel-debug-develUpgrade kernel-kvmsmall-livepatch-develUpgrade kernel-livepatch-5_3_18-150300_59_43-defaultUpgrade kernel-devel-azureUpgrade kernel-livepatch-5_3_18-24_102-defaultUpgrade dtb-marvellUpgrade dtb-apmUpgrade ocfs2-kmp-preemptUpgrade kernel-livepatch-5_3_18-150300_59_49-defaultUpgrade ocfs2-kmp-64kbUpgrade kernel-livepatch-5_3_18-24_53_4-defaultUpgrade dtb-mediatekUpgrade kernel-64kb-optionalUpgrade kernel-livepatch-5_3_18-24_86-defaultUpgrade kernel-macrosUpgrade kernel-azure-optionalUpgrade kernel-livepatch-5_3_18-59_5-defaultUpgrade kernel-64kb-develUpgrade kernel-source-azureUpgrade dtb-broadcomUpgrade kernel-syms-azureUpgrade gfs2-kmp-64kbUpgrade kernel-symsUpgrade dtb-freescaleUpgrade kernel-livepatch-5_3_18-59_37-defaultUpgrade kernel-kvmsmallUpgrade kernel-livepatch-5_3_18-59_13-defaultUpgrade kernel-sourceUpgrade kernel-livepatch-5_3_18-24_99-defaultUpgrade kernel-azure-develUpgrade dtb-exynosUpgrade kernel-64kb-livepatch-develUpgrade kernel-azure-livepatch-develUpgrade kernel-livepatch-5_3_18-59_10-defaultUpgrade kselftests-kmp-64kbUpgrade kernel-livepatch-5_3_18-24_96-defaultUpgrade kernel-docs-htmlUpgrade dlm-kmp-64kbUpgrade kernel-default-extraUpgrade kernel-debugUpgrade cluster-md-kmp-azureUpgrade dtb-xilinxUpgrade cluster-md-kmp-preemptUpgrade kernel-default-livepatchUpgrade kernel-preemptUpgrade kernel-kvmsmall-develUpgrade reiserfs-kmp-preemptUpgrade dtb-qcomUpgrade kernel-livepatch-5_3_18-24_61-defaultUpgrade kernel-default-develUpgrade kselftests-kmp-defaultUpgrade reiserfs-kmp-azureUpgrade kernel-livepatch-5_3_18-24_67-defaultUpgrade kernel-livepatch-5_3_18-24_93-defaultUpgrade kernel-obs-buildUpgrade kernel-defaultUpgrade kernel-default-livepatch-develUpgrade dtb-sprdUpgrade kernel-default-base-rebuildUpgrade reiserfs-kmp-defaultUpgrade kernel-develUpgrade dtb-alUpgrade kernel-preempt-livepatch-develUpgrade kernel-default-optionalUpgrade dlm-kmp-defaultUpgrade gfs2-kmp-azureUpgrade kernel-livepatch-5_3_18-24_64-defaultUpgrade kernel-livepatch-5_3_18-59_34-defaultUpgrade kselftests-kmp-azureUpgrade ocfs2-kmp-azureUpgrade dtb-renesasUpgrade dtb-socionextUpgrade kernel-default-baseUpgrade kernel-azureUpgrade kernel-livepatch-5_3_18-24_52-defaultUpgrade gfs2-kmp-preemptUpgrade kernel-livepatch-5_3_18-59_19-defaultUpgrade kernel-source-vanillaUpgrade kernel-preempt-extraUpgrade kernel-livepatch-5_3_18-24_83-defaultUpgrade kernel-docsUpgrade dtb-caviumUpgrade ocfs2-kmp-defaultUpgrade dlm-kmp-azureUpgrade reiserfs-kmp-64kbUpgrade dtb-zteUpgrade dtb-allwinnerUpgrade kernel-livepatch-5_3_18-59_24-defaultUpgrade kernel-livepatch-5_3_18-59_16-defaultUpgrade cluster-md-kmp-64kbUpgrade dtb-armUpgrade kernel-livepatch-5_3_18-59_40-defaultUpgrade dtb-rockchipUpgrade kernel-preempt-develUpgrade dtb-nvidiaUpgrade kselftests-kmp-preemptUpgrade dlm-kmp-preemptUpgrade kernel-preempt-optionalUpgrade kernel-livepatch-5_3_18-57-defaultUpgrade gfs2-kmp-defaultUpgrade kernel-64kb-extra	Feb 11, 2022	Jan 26, 2022
Ubuntu	—	Upgrade linux-image-lowlatency-hwe-18.04Upgrade linux-image-oem-20.04Upgrade linux-image-5.4.0-100-generic-lpaeUpgrade linux-image-azure-lts-20.04Upgrade linux-image-generic-hwe-18.04Upgrade linux-image-raspi2Upgrade linux-image-gke-5.4Upgrade linux-image-4.15.0-1087-oracleUpgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-gcpUpgrade linux-image-5.4.0-1065-gcpUpgrade linux-image-virtualUpgrade linux-image-5.4.0-1015-ibmUpgrade linux-image-5.4.0-1061-gkeUpgrade linux-image-ibmUpgrade linux-image-5.14.0-1022-oemUpgrade linux-image-5.13.0-1013-kvmUpgrade linux-image-4.15.0-1116-gcpUpgrade linux-image-5.13.0-30-generic-64kUpgrade linux-image-5.13.0-30-genericUpgrade linux-image-generic-lpaeUpgrade linux-image-5.4.0-100-genericUpgrade linux-image-lowlatencyUpgrade linux-image-generic-hwe-16.04Upgrade linux-image-oracleUpgrade linux-image-5.4.0-1053-raspiUpgrade linux-image-gcp-lts-20.04Upgrade linux-image-awsUpgrade linux-image-gkeUpgrade linux-image-raspi-nolpaeUpgrade linux-image-oem-20.04dUpgrade linux-image-snapdragon-hwe-18.04Upgrade linux-image-oem-osp1Upgrade linux-image-4.15.0-1103-raspi2Upgrade linux-image-5.4.0-1028-bluefieldUpgrade linux-image-gcp-lts-18.04Upgrade linux-image-5.4.0-1034-gkeopUpgrade linux-image-azure-lts-18.04Upgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-virtual-hwe-16.04Upgrade linux-image-raspi-hwe-18.04Upgrade linux-image-4.15.0-169-lowlatencyUpgrade linux-image-bluefieldUpgrade linux-image-5.13.0-30-generic-lpaeUpgrade linux-image-5.4.0-100-lowlatencyUpgrade linux-image-5.13.0-1015-gcpUpgrade linux-image-oracle-lts-20.04Upgrade linux-image-raspiUpgrade linux-image-5.13.0-1017-raspiUpgrade linux-image-5.13.0-1014-awsUpgrade linux-image-oemUpgrade linux-image-5.13.0-1014-azureUpgrade linux-image-lowlatency-hwe-16.04Upgrade linux-image-5.4.0-1070-azure-fdeUpgrade linux-image-generic-hwe-20.04Upgrade linux-image-4.15.0-1131-azureUpgrade linux-image-5.13.0-1017-raspi-nolpaeUpgrade linux-image-4.15.0-1107-kvmUpgrade linux-image-generic-lpae-hwe-18.04Upgrade linux-image-5.4.0-1070-azureUpgrade linux-image-azure-fdeUpgrade linux-image-virtual-hwe-18.04Upgrade linux-image-gkeopUpgrade linux-image-4.15.0-169-generic-lpaeUpgrade linux-image-kvmUpgrade linux-image-azureUpgrade linux-image-5.13.0-1018-oracleUpgrade linux-image-virtual-hwe-20.04Upgrade linux-image-4.15.0-1120-snapdragonUpgrade linux-image-aws-lts-18.04Upgrade linux-image-5.4.0-1066-awsUpgrade linux-image-aws-lts-20.04Upgrade linux-image-4.15.0-169-genericUpgrade linux-image-snapdragonUpgrade linux-image-4.15.0-1035-dell300xUpgrade linux-image-oracle-lts-18.04Upgrade linux-image-aws-hweUpgrade linux-image-5.13.0-30-lowlatencyUpgrade linux-image-ibm-lts-20.04Upgrade linux-image-5.4.0-1064-oracleUpgrade linux-image-dell300xUpgrade linux-image-5.4.0-1056-kvmUpgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-genericUpgrade linux-image-gkeop-5.4Upgrade linux-image-generic-64k	Feb 3, 2022	Jan 26, 2022
Vmware Photon_os	—	Use 'tdnf update' to upgrade all packages to the latest version.	May 27, 2026	Jan 26, 2022

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CVSS Details

Covered by Rapid7

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