Summary
Package updates are available for Amazon Linux 2 that fix the following vulnerabilities: CVE-2023-31436: qfq_change_class in net/sched/sch_qfq.c in the Linux kernel before 6.2.13 allows an out-of-bounds write because lmax can exceed QFQ_MIN_LMAX. CVE-2023-2513: 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.
Fixed packages 14
| Release | Package | Fixed in |
|---|---|---|
| Amazon Linux · 2 | kernel | 0:4.14.314-237.533.amzn2 |
| Amazon Linux · 2 | kernel-debuginfo | 0:4.14.314-237.533.amzn2 |
| Amazon Linux · 2 | kernel-debuginfo-common-aarch64 | 0:4.14.314-237.533.amzn2 |
| Amazon Linux · 2 | kernel-debuginfo-common-x86_64 | 0:4.14.314-237.533.amzn2 |
| Amazon Linux · 2 | kernel-devel | 0:4.14.314-237.533.amzn2 |
| Amazon Linux · 2 | kernel-headers | 0:4.14.314-237.533.amzn2 |
| Amazon Linux · 2 | kernel-livepatch-4.14.314-237.533 | 0:1.0-0.amzn2 |
| Amazon Linux · 2 | kernel-tools | 0:4.14.314-237.533.amzn2 |
| Amazon Linux · 2 | kernel-tools-debuginfo | 0:4.14.314-237.533.amzn2 |
| Amazon Linux · 2 | kernel-tools-devel | 0:4.14.314-237.533.amzn2 |
| Amazon Linux · 2 | perf | 0:4.14.314-237.533.amzn2 |
| Amazon Linux · 2 | perf-debuginfo | 0:4.14.314-237.533.amzn2 |
| Amazon Linux · 2 | python-perf | 0:4.14.314-237.533.amzn2 |
| Amazon Linux · 2 | python-perf-debuginfo | 0:4.14.314-237.533.amzn2 |
Vulnerabilities 2
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High 7.8
qfq_change_class in net/sched/sch_qfq.c in the Linux kernel before 6.2.13 allows an out-of-bounds write because lmax ca…
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Medium 6.7
A use-after-free vulnerability was found in the Linux kernel's ext4 filesystem in the way it handled the extra inode si…