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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2023.1757 kpatch-patch security update 24 March 2023 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: kpatch-patch Publisher: Red Hat Operating System: Red Hat Resolution: Patch/Upgrade CVE Names: CVE-2023-0266 CVE-2023-0179 CVE-2022-4379 CVE-2022-4378 CVE-2022-3564 Original Bulletin: https://access.redhat.com/errata/RHSA-2023:1435 Comment: CVSS (Max): 7.8 CVE-2023-0266 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) CVSS Source: Red Hat Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - --------------------------BEGIN INCLUDED TEXT-------------------- ===================================================================== Red Hat Security Advisory Synopsis: Important: kpatch-patch security update Advisory ID: RHSA-2023:1435-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2023:1435 Issue date: 2023-03-23 CVE Names: CVE-2022-3564 CVE-2022-4378 CVE-2022-4379 CVE-2023-0179 CVE-2023-0266 ===================================================================== 1. Summary: An update for kpatch-patch is now available for Red Hat Enterprise Linux 9.0 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. 2. Relevant releases/architectures: Red Hat Enterprise Linux BaseOS EUS (v.9.0) - ppc64le, x86_64 3. Description: 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. Security Fix(es): * kernel: use-after-free caused by l2cap_reassemble_sdu() in net/bluetooth/l2cap_core.c (CVE-2022-3564) * kernel: stack overflow in do_proc_dointvec and proc_skip_spaces (CVE-2022-4378) * kernel: use-after-free in __nfs42_ssc_open() in fs/nfs/nfs4file.c leading to remote Denial of Service attack (CVE-2022-4379) * kernel: Netfilter integer overflow vulnerability in nft_payload_copy_vlan (CVE-2023-0179) * ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF (CVE-2023-0266) 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. 4. Solution: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 5. Bugs fixed (https://bugzilla.redhat.com/): 2150999 - CVE-2022-3564 kernel: use-after-free caused by l2cap_reassemble_sdu() in net/bluetooth/l2cap_core.c 2152548 - CVE-2022-4378 kernel: stack overflow in do_proc_dointvec and proc_skip_spaces 2152807 - CVE-2022-4379 kernel: use-after-free in __nfs42_ssc_open() in fs/nfs/nfs4file.c leading to remote Denial of Service attack 2161713 - CVE-2023-0179 kernel: Netfilter integer overflow vulnerability in nft_payload_copy_vlan 2163379 - CVE-2023-0266 ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF 6. Package List: Red Hat Enterprise Linux BaseOS EUS (v.9.0): Source: kpatch-patch-5_14_0-70_22_1-1-6.el9_0.src.rpm kpatch-patch-5_14_0-70_26_1-1-5.el9_0.src.rpm kpatch-patch-5_14_0-70_30_1-1-3.el9_0.src.rpm kpatch-patch-5_14_0-70_36_1-1-2.el9_0.src.rpm kpatch-patch-5_14_0-70_43_1-1-1.el9_0.src.rpm ppc64le: kpatch-patch-5_14_0-70_22_1-1-6.el9_0.ppc64le.rpm kpatch-patch-5_14_0-70_22_1-debuginfo-1-6.el9_0.ppc64le.rpm kpatch-patch-5_14_0-70_22_1-debugsource-1-6.el9_0.ppc64le.rpm kpatch-patch-5_14_0-70_26_1-1-5.el9_0.ppc64le.rpm kpatch-patch-5_14_0-70_26_1-debuginfo-1-5.el9_0.ppc64le.rpm kpatch-patch-5_14_0-70_26_1-debugsource-1-5.el9_0.ppc64le.rpm kpatch-patch-5_14_0-70_30_1-1-3.el9_0.ppc64le.rpm kpatch-patch-5_14_0-70_30_1-debuginfo-1-3.el9_0.ppc64le.rpm kpatch-patch-5_14_0-70_30_1-debugsource-1-3.el9_0.ppc64le.rpm kpatch-patch-5_14_0-70_36_1-1-2.el9_0.ppc64le.rpm kpatch-patch-5_14_0-70_36_1-debuginfo-1-2.el9_0.ppc64le.rpm kpatch-patch-5_14_0-70_36_1-debugsource-1-2.el9_0.ppc64le.rpm kpatch-patch-5_14_0-70_43_1-1-1.el9_0.ppc64le.rpm kpatch-patch-5_14_0-70_43_1-debuginfo-1-1.el9_0.ppc64le.rpm kpatch-patch-5_14_0-70_43_1-debugsource-1-1.el9_0.ppc64le.rpm x86_64: kpatch-patch-5_14_0-70_22_1-1-6.el9_0.x86_64.rpm kpatch-patch-5_14_0-70_22_1-debuginfo-1-6.el9_0.x86_64.rpm kpatch-patch-5_14_0-70_22_1-debugsource-1-6.el9_0.x86_64.rpm kpatch-patch-5_14_0-70_26_1-1-5.el9_0.x86_64.rpm kpatch-patch-5_14_0-70_26_1-debuginfo-1-5.el9_0.x86_64.rpm kpatch-patch-5_14_0-70_26_1-debugsource-1-5.el9_0.x86_64.rpm kpatch-patch-5_14_0-70_30_1-1-3.el9_0.x86_64.rpm kpatch-patch-5_14_0-70_30_1-debuginfo-1-3.el9_0.x86_64.rpm kpatch-patch-5_14_0-70_30_1-debugsource-1-3.el9_0.x86_64.rpm kpatch-patch-5_14_0-70_36_1-1-2.el9_0.x86_64.rpm kpatch-patch-5_14_0-70_36_1-debuginfo-1-2.el9_0.x86_64.rpm kpatch-patch-5_14_0-70_36_1-debugsource-1-2.el9_0.x86_64.rpm kpatch-patch-5_14_0-70_43_1-1-1.el9_0.x86_64.rpm kpatch-patch-5_14_0-70_43_1-debuginfo-1-1.el9_0.x86_64.rpm kpatch-patch-5_14_0-70_43_1-debugsource-1-1.el9_0.x86_64.rpm These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/ 7. References: https://access.redhat.com/security/cve/CVE-2022-3564 https://access.redhat.com/security/cve/CVE-2022-4378 https://access.redhat.com/security/cve/CVE-2022-4379 https://access.redhat.com/security/cve/CVE-2023-0179 https://access.redhat.com/security/cve/CVE-2023-0266 https://access.redhat.com/security/updates/classification/#important 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2023 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBZBxe+dzjgjWX9erEAQgaKQ/9HVT4VyIGwfV+Rg2UfQwZzsmu9obTqZme qETVmN66bOZ2LiAw5PV/hZxdJv/uCgbA1VBkr5nmL1lTnUqJYSVGRfHSlWQ+6at9 wPjiFgWx8afksddWiyTUzS3qdPiqIQdVIhjTIB2G5MlssU5T9ulR4McyF2re+IQD kalP+jQ9cxRBbNy8p+PnnlwoGWdBWoA0UZPAGG0Ge5Fb99xUpaY0/y6qosDpaPv4 qItHmbLt2uJUk67L/ug7CGCEPE9aJ71A4io9gJM+Dq6/o+imbQz8HKk922vigc+/ KwDGwyXxV34XUnzET2csLqqPR6kDFxMJ8taxgU2ygibFAJ5L99/t0OEjqyLdMs0N /EsCR4inIVjZtM4R3/2S1nRKv+cevbeSiBCYNiJC0e52eBxQ3BW+In0D9UNaDG+C XmwUJHSTb0IeFaLNFkpHnpOB9xKb4YBPRJNKXkg7f1UpjyrH62Z8GERSUhMlu497 bc1UyWR3ELO8VxHOpc/FXkQVUyeWoNHc7aV8F+V7ev+uzKhMid+BSjkVChY+n8vl f3AAy7FYLyQbblvdZLx+Dkf5+HnKZEiSJ7XENSOBxYOR2GdAcA+Sie4MPJUldj/e 2WYiBhn+xxpX90ifhzGOZfHw3QVyklbjsYrcpIYPqHlBOIuqQG2BK3skMJsWXshw dbTutFLMZdY= =UZBK - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: https://auscert.org.au/gpg-key/ iQIVAwUBZBz7CskNZI30y1K9AQje4hAAjiYHPv/PhAF+BvH6du4zqJMm9LKtD3PE 0/J5wBo+dxjf/80xVxkkDgtym5dd+dUTCMCxL6e+hsfOH/5FFG2lf0KFVPkvM/Sv xRaj1iBwYECRYD+X5PapbMCv4fGskCE+LfjlrlexUXgKtdXwmOJOreC+A6m+HpLg zhSOQ4tzfD5o4ca/FHbxYW8Cq1BKXcl6GbB7usFOiq8cO1IAzOOjA5e+SGgukNAY NscbtODnR4Y+RLuT2KwRTvZon48UBHG/OFtSvWrICwX6WmP+AoDYh1pYlJPXxASm stL83pujdlIDvuh4MEExmTICKHnJil+KQ8hjFC9Nuxd+8/vFxN71APnvuuXPgtju aVw/9N2n2AKcc/Ub2eNPsQhJo0IE2Hp9yntwFXxC/tW01PC9AGDn8NnqqspXmqDp rW/pXUEHmBlgnydWpAZlcj36AAeVj0kX/9JMGhlbnQfuUtx0HoDwmTcuHSBK2iX5 VVBHnNZRYka6aoArmPtSOPlNnFJ5aUt8BLDEDfWJ9/iiIeMgk2yqfGJxiZMGhni0 FHXVrq+u3dc/TXv34eAX/6SyIw/YSSJIsyKE3olkDvqETUH1xF+UCNTGfW6Qyk8n sgNryyTDkFqOCHwFMuj5qaQD0sR/DBxSAqs/g0RKvNqTcBaPv61dUysT4avYWdxH tK8DaEb2CTM= =Qj/I -----END PGP SIGNATURE-----