Summary
Package updates are available for Amazon Linux 2 that fix the following vulnerabilities: CVE-2023-35001: Linux Kernel nftables Out-Of-Bounds Read/Write Vulnerability; nft_byteorder poorly handled vm register contents when CAP_NET_ADMIN is in any user or network namespace CVE-2023-3117: A use-after-free flaw was found in the Netfilter subsystem of the Linux kernel when processing named and anonymous sets in batch requests, which can lead to performing arbitrary reads and writes in kernel memory. This flaw allows a local user with CAP_NET_ADMIN capability to crash or potentially escalate their privileges on the system.
Fixed packages 14
| Release | Package | Fixed in |
|---|---|---|
| Amazon Linux · 2 | kernel | 0:4.14.320-242.534.amzn2 |
| Amazon Linux · 2 | kernel-debuginfo | 0:4.14.320-242.534.amzn2 |
| Amazon Linux · 2 | kernel-debuginfo-common-aarch64 | 0:4.14.320-242.534.amzn2 |
| Amazon Linux · 2 | kernel-debuginfo-common-x86_64 | 0:4.14.320-242.534.amzn2 |
| Amazon Linux · 2 | kernel-devel | 0:4.14.320-242.534.amzn2 |
| Amazon Linux · 2 | kernel-headers | 0:4.14.320-242.534.amzn2 |
| Amazon Linux · 2 | kernel-livepatch-4.14.320-242.534 | 0:1.0-0.amzn2 |
| Amazon Linux · 2 | kernel-tools | 0:4.14.320-242.534.amzn2 |
| Amazon Linux · 2 | kernel-tools-debuginfo | 0:4.14.320-242.534.amzn2 |
| Amazon Linux · 2 | kernel-tools-devel | 0:4.14.320-242.534.amzn2 |
| Amazon Linux · 2 | perf | 0:4.14.320-242.534.amzn2 |
| Amazon Linux · 2 | perf-debuginfo | 0:4.14.320-242.534.amzn2 |
| Amazon Linux · 2 | python-perf | 0:4.14.320-242.534.amzn2 |
| Amazon Linux · 2 | python-perf-debuginfo | 0:4.14.320-242.534.amzn2 |
Vulnerabilities 2
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High 7.8CVE-2023-35001 Public exploit
Linux Kernel nftables Out-Of-Bounds Read/Write Vulnerability
Linux Kernel nftables Out-Of-Bounds Read/Write Vulnerability; nft_byteorder poorly handled vm register contents when CAP_NET_ADMIN is in any user or network namespace
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Unscored —CVE-2023-3117 Rejected
Duplicate of CVE-2023-3390.