Updated: 2023-07-06


A use-after-free vulnerability was found in the Linux kernel's ext4 filesystem in the way it handled the extra inode size for extended attributes. This flaw could allow a privileged local user to cause a system crash or other undefined behaviors.

CVSS3: 6.7

Vendor State

OS Vendor version Errata
RHEL 9 5.14.0-284.11.1.el9_2 RHSA-2023:2458
Debian 10 cloud 4.19.260-1 DLA-3131-1
Debian 10 4.19.260-1 DLA-3131-1
Amazon Linux 1 4.14.314-164.533.amzn1 ALAS-2023-1744
Ubuntu 16.04 ESM 4.4.0-243.277 USN-6254-1
Ubuntu 18.04 4.15.0-197.208 USN-5727-1
Ubuntu 18.04 AWS 4.15.0-1143.155 USN-5727-1
Ubuntu 18.04 Azure Focal 5.4.0-1095.101~18.04.1 USN-5728-1
Ubuntu 20.04 AWS 5.4.0-1089.97 USN-5728-1
Ubuntu 16.04 HWE ESM 4.15.0-197.208~16.04.1 USN-5727-1
Ubuntu 16.04 AWS ESM 4.4.0-1159.174 USN-6254-1
Ubuntu 16.04 GCP ESM 4.15.0-1138.154~16.04.1 USN-5727-2
Ubuntu 16.04 AWS HWE ESM 4.15.0-1143.155~16.04.1 USN-5727-1
Ubuntu 16.04 Azure ESM 4.15.0-1159.174~16.04.1 USN-5863-1
Ubuntu 18.04 AWS Focal 5.4.0-1089.97~18.04.1 USN-5728-1
Ubuntu 18.04 HWE Focal 5.4.0-132.148~18.04.1 USN-5728-1
Ubuntu 20.04 5.4.0-132.148 USN-5728-1
Ubuntu 14.04 HWE ESM 4.4.0-243.277~14.04.1 USN-6254-1
Ubuntu 22.04 5.15.0-53.59 USN-5729-1
Ubuntu 22.04 AWS 5.15.0-1023.27 USN-5729-1
Ubuntu 22.04 Azure 5.15.0-1023.29 USN-5729-1
Amazon Linux 2 4.14.314-237.533.amzn2 ALAS-2023-2035

KernelCare State

OS Original kernel version State
Debian 10 cloud
Will Not Fix
Debian 10
Will Not Fix
Debian 11
Will Not Fix
Amazon Linux 1
Ubuntu 16.04 ESM
Ubuntu 18.04
Will Not Fix
Ubuntu 18.04 AWS
Will Not Fix
Ubuntu 18.04 Azure Focal
Will Not Fix
Ubuntu 20.04 AWS
Will Not Fix
Ubuntu 16.04 HWE ESM
Will Not Fix
Ubuntu 16.04 AWS ESM
Ubuntu 16.04 GCP ESM
Will Not Fix
Ubuntu 16.04 AWS HWE ESM
Will Not Fix
Ubuntu 16.04 Azure ESM
Will Not Fix
Ubuntu 18.04 AWS Focal
Will Not Fix
Ubuntu 18.04 HWE Focal
Will Not Fix
Ubuntu 20.04
Will Not Fix
Ubuntu 14.04 HWE ESM
Ubuntu 22.04
Will Not Fix
Ubuntu 22.04 AWS
Will Not Fix
Ubuntu 22.04 Azure
Will Not Fix
Amazon Linux 2
4.14.101-91.76.amzn2 show all hide all
4.14.104-95.84.amzn2 4.14.106-97.85.amzn2 4.14.109-99.92.amzn2 4.14.114-103.97.amzn2 4.14.114-105.126.amzn2 4.14.121-109.96.amzn2 4.14.123-111.109.amzn2 4.14.128-112.105.amzn2 4.14.133-113.105.amzn2 4.14.133-113.112.amzn2 4.14.143-118.123.amzn2 4.14.146-119.123.amzn2 4.14.146-120.181.amzn2 4.14.152-124.171.amzn2 4.14.152-127.182.amzn2 4.14.154-128.181.amzn2 4.14.158-129.185.amzn2 4.14.165-131.185.amzn2 4.14.165-133.209.amzn2 4.14.171-136.231.amzn2 4.14.173-137.228.amzn2 4.14.173-137.229.amzn2 4.14.177-139.253.amzn2 4.14.177-139.254.amzn2 4.14.181-140.257.amzn2 4.14.181-142.260.amzn2 4.14.186-146.268.amzn2 4.14.192-147.314.amzn2 4.14.193-149.317.amzn2 4.14.198-152.320.amzn2 4.14.200-155.322.amzn2 4.14.203-156.332.amzn2 4.14.209-160.335.amzn2 4.14.209-160.339.amzn2 4.14.214-160.339.amzn2 4.14.219-161.340.amzn2 4.14.219-164.354.amzn2 4.14.225-168.357.amzn2 4.14.225-169.362.amzn2 4.14.231-173.360.amzn2 4.14.231-173.361.amzn2 4.14.232-176.381.amzn2 4.14.232-177.418.amzn2 4.14.238-182.421.amzn2 4.14.238-182.422.amzn2 4.14.241-184.433.amzn2 4.14.243-185.433.amzn2 4.14.246-187.474.amzn2 4.14.248-189.473.amzn2 4.14.252-195.481.amzn2 4.14.252-195.483.amzn2 4.14.256-197.484.amzn2 4.14.26-54.32.amzn2 4.14.262-200.489.amzn2 4.14.268-205.500.amzn2 4.14.273-207.502.amzn2 4.14.275-207.503.amzn2 4.14.276-211.499.amzn2 4.14.281-212.502.amzn2 4.14.285-215.501.amzn2 4.14.287-215.504.amzn2 4.14.290-217.505.amzn2 4.14.33-59.34.amzn2 4.14.42-61.37.amzn2 4.14.51-66.38.amzn2 4.14.62-70.117.amzn2 4.14.67-71.56.amzn2 4.14.70-72.55.amzn2 4.14.72-73.55.amzn2 4.14.77-80.57.amzn2 4.14.88-88.73.amzn2 4.14.88-88.76.amzn2 4.14.94-89.73.amzn2 4.14.97-90.72.amzn2