Use After Free Affecting kernel-debuginfo-common-x86_64 package, versions <0:4.14.314-237.533.amzn2
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Test your applications- Snyk ID SNYK-AMZN2-KERNELDEBUGINFOCOMMONX8664-5538626
- published 17 May 2023
- disclosed 8 May 2023
Introduced: 8 May 2023
CVE-2023-2513 Open this link in a new tabHow to fix?
Upgrade Amazon-Linux:2 kernel-debuginfo-common-x86_64 to version 0:4.14.314-237.533.amzn2 or higher.
This issue was patched in ALAS2-2023-2035.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-debuginfo-common-x86_64 package and not the kernel-debuginfo-common-x86_64 package as distributed by Amazon-Linux.
See How to fix? for Amazon-Linux:2 relevant fixed versions and status.
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.
References
- http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-2513
- https://bugzilla.redhat.com/show_bug.cgi?id=2193097
- https://github.com/torvalds/linux/commit/67d7d8ad99be
- https://lore.kernel.org/all/20220616021358.2504451-1-libaokun1@huawei.com/
- https://lore.kernel.org/all/20220616021358.2504451-1-libaokun1%40huawei.com/