Vulmon
Amazon Linux 2 Security Advisory: ALASLIVEPATCH-2021-053
Advisory Release Date: 2021-06-22 18:38 Pacific
Advisory Updated Date: 2021-07-07 21:59 Pacific
Severity:
Important
References:
CVE-2021-33034
Issue Overview:
A use-after-free flaw was found in hci_send_acl in the bluetooth host controller interface (HCI) in Linux kernel, where a local attacker with an access rights could cause a denial of service problem on the system The issue results from the object hchan, freed in hci_disconn_loglink_complete_evt, yet still used in other places. The highest threat from this vulnerability is to data integrity, confidentiality and system availability. (CVE-2021-33034)
Affected Packages:
kernel-livepatch-4.14.231-173.361
Issue Correction:
Please ensure you have live patching enabled.
Run yum update kernel-livepatch-4.14.231-173.361 to update your system.
New Packages:
src:
kernel-livepatch-4.14.231-173.361-1.0-2.amzn2.src
x86_64:
kernel-livepatch-4.14.231-173.361-1.0-2.amzn2.x86_64
kernel-livepatch-4.14.231-173.361-debuginfo-1.0-2.amzn2.x86_64