RHSA-2023:1435: Important: kpatch-patch security update

First published: Thu Mar 23 2023(Updated: )

This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel.<br>Security Fix(es):<br><li> kernel: use-after-free caused by l2cap_reassemble_sdu() in net/bluetooth/l2cap_core.c (CVE-2022-3564)</li> <li> kernel: stack overflow in do_proc_dointvec and proc_skip_spaces (CVE-2022-4378)</li> <li> kernel: use-after-free in __nfs42_ssc_open() in fs/nfs/nfs4file.c leading to remote Denial of Service attack (CVE-2022-4379)</li> <li> kernel: Netfilter integer overflow vulnerability in nft_payload_copy_vlan (CVE-2023-0179)</li> <li> ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF (CVE-2023-0266)</li> For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

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