-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== 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 . 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----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce