-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: kpatch-patch security update Advisory ID: RHSA-2023:1660-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2023:1660 Issue date: 2023-04-05 CVE Names: CVE-2023-0266 CVE-2023-0386 ===================================================================== 1. Summary: An update for kpatch-patch is now available for Red Hat Enterprise Linux 8.6 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.8.6) - 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): * ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF (CVE-2023-0266) * kernel: FUSE filesystem low-privileged user privileges escalation (CVE-2023-0386) 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/): 2159505 - CVE-2023-0386 kernel: FUSE filesystem low-privileged user privileges escalation 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.8.6): Source: kpatch-patch-4_18_0-372_26_1-1-6.el8_6.src.rpm kpatch-patch-4_18_0-372_32_1-1-5.el8_6.src.rpm kpatch-patch-4_18_0-372_36_1-1-4.el8_6.src.rpm kpatch-patch-4_18_0-372_40_1-1-4.el8_6.src.rpm kpatch-patch-4_18_0-372_41_1-1-3.el8_6.src.rpm kpatch-patch-4_18_0-372_46_1-1-1.el8_6.src.rpm ppc64le: kpatch-patch-4_18_0-372_26_1-1-6.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_26_1-debuginfo-1-6.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_26_1-debugsource-1-6.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_32_1-1-5.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_32_1-debuginfo-1-5.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_32_1-debugsource-1-5.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_36_1-1-4.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_36_1-debuginfo-1-4.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_36_1-debugsource-1-4.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_40_1-1-4.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_40_1-debuginfo-1-4.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_40_1-debugsource-1-4.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_41_1-1-3.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_41_1-debuginfo-1-3.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_41_1-debugsource-1-3.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_46_1-1-1.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_46_1-debuginfo-1-1.el8_6.ppc64le.rpm kpatch-patch-4_18_0-372_46_1-debugsource-1-1.el8_6.ppc64le.rpm x86_64: kpatch-patch-4_18_0-372_26_1-1-6.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_26_1-debuginfo-1-6.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_26_1-debugsource-1-6.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_32_1-1-5.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_32_1-debuginfo-1-5.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_32_1-debugsource-1-5.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_36_1-1-4.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_36_1-debuginfo-1-4.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_36_1-debugsource-1-4.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_40_1-1-4.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_40_1-debuginfo-1-4.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_40_1-debugsource-1-4.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_41_1-1-3.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_41_1-debuginfo-1-3.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_41_1-debugsource-1-3.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_46_1-1-1.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_46_1-debuginfo-1-1.el8_6.x86_64.rpm kpatch-patch-4_18_0-372_46_1-debugsource-1-1.el8_6.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-2023-0266 https://access.redhat.com/security/cve/CVE-2023-0386 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 iQIVAwUBZC2QfNzjgjWX9erEAQgNNg/9Eho8CXtXoHqZQdLrGhk/KvGhNdZ75hDt nARC7hATfax98FiwvYMvEcL9ZdBGzrxcsd9yXmE+TT8pKlu2x2AX10Y8EAKg76GX YSWS6YpVHmrxi2pV7w5WjPqY+Xz7pbTxhCqXxJF6AeiaDgpq29N8XxlIwy12VNey N6RuS9pUQ9JjuE3RnxYdWUD1AzHFjM9OZsSs1jEJr9RLKzoYHuo9SD+Md7PAyaba ifrzTxNOcAfbZME1O30dObcKgJM10No4gTvxrwA7V6ZSHMNl9qn9mtKFdGrqnl70 RHXL4NkeJJJ2yDw9SEqQevc/tPfP2rqEenn35UK6smANdXNL2OQ1GLXnCu+rF6e9 KOltIkQJ+ypYU5ot5g6KsvlCB4vXJ1FJe5aBAhHrKpuQds7IkyNoy9mPoIs/Mjen bS2dX7AsI3uT28qxkrsEQRGS9Okh2FsMQjjLe+f0KeerxA8e5feVJBRUS42Schab TTw2NU5W+sfRa20kDcm/fkt/7Ft8qFRnUHqAbJTlvvepL8hodl2RtU0eymACVk0T kTRK44aoZJFbLAbTuiQHFlDTnWi+0O2PoFga5l5XhbF/9zc6hk29rR0hM1BbcHje LBWtNTttvPBwBg5hv1/VvCniiIVMPYvcRYg5RDAA3knXd5IEtOats4UBTTxnVg0W sQWzQbcINb0= =plbD -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce