-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: kpatch-patch security update Advisory ID: RHSA-2023:1662-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2023:1662 Issue date: 2023-04-05 CVE Names: CVE-2023-0266 CVE-2023-0461 ===================================================================== 1. Summary: An update for kpatch-patch is now available for Red Hat Enterprise Linux 8.4 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.8.4) - 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: net/ulp: use-after-free in listening ULP sockets (CVE-2023-0461) 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/): 2163379 - CVE-2023-0266 ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF 2176192 - CVE-2023-0461 kernel: net/ulp: use-after-free in listening ULP sockets 6. Package List: Red Hat Enterprise Linux BaseOS EUS (v.8.4): Source: kpatch-patch-4_18_0-305_65_1-1-5.el8_4.src.rpm kpatch-patch-4_18_0-305_71_1-1-4.el8_4.src.rpm kpatch-patch-4_18_0-305_72_1-1-3.el8_4.src.rpm kpatch-patch-4_18_0-305_76_1-1-2.el8_4.src.rpm kpatch-patch-4_18_0-305_82_1-1-1.el8_4.src.rpm ppc64le: kpatch-patch-4_18_0-305_65_1-1-5.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_65_1-debuginfo-1-5.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_65_1-debugsource-1-5.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_71_1-1-4.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_71_1-debuginfo-1-4.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_71_1-debugsource-1-4.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_72_1-1-3.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_72_1-debuginfo-1-3.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_72_1-debugsource-1-3.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_76_1-1-2.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_76_1-debuginfo-1-2.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_76_1-debugsource-1-2.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_82_1-1-1.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_82_1-debuginfo-1-1.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_82_1-debugsource-1-1.el8_4.ppc64le.rpm x86_64: kpatch-patch-4_18_0-305_65_1-1-5.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_65_1-debuginfo-1-5.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_65_1-debugsource-1-5.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_71_1-1-4.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_71_1-debuginfo-1-4.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_71_1-debugsource-1-4.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_72_1-1-3.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_72_1-debuginfo-1-3.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_72_1-debugsource-1-3.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_76_1-1-2.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_76_1-debuginfo-1-2.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_76_1-debugsource-1-2.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_82_1-1-1.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_82_1-debuginfo-1-1.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_82_1-debugsource-1-1.el8_4.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-2023-0461 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 iQIVAwUBZC2QfNzjgjWX9erEAQjDDg//eEgJoqhJcHFm5gO0BE3zMQaoc9+bVd5a GrZ9j9cpJlpywY8uLTfBCA4pbEKgZEitEY5FMSTwdPjYviOsE5rd7byww9ualHtG FDlERdRhnulIfq7wAS0Lb//sCyqNw6rsVE2dTNXxuNLqDCgsZjKBq8S+XF+Ag2wJ pBvOYW3a4abK3vbV7beH+syXD39NCJ1m6bhTvLbdxfJHgMjyquz8IeIcVL43rhtq nXUce/YJKU2Roz0Iz+NUMEPfXfBny5/jfV+ChMO8Ga/joc1HQPdLSgc42J85tTmv m8BIL+iHiVendKY4E5DwTB49ae8CTDIcqPtzY6EVCxwbq0kxHhKsA2Ud+z+ziBQe l7p+19eM3OBveLmeHgVOziBUQhVmy2joiWU6iaYYrcon/S8BOKQZQ3AeAAaY5niF npBv9or4FbfTWjVDb8R8t3AQSqy54ssmvNjfXeih2QGV9ewyn8JS8Lw3/YOmV5Zu 1knYj3k+Lvc8GSuZuL2a/yLTyG4J+DwVAaZQpJJzKhZxyEx1tUCCw9VIBakXc9VQ j8hpx8GfbShhD+oJGQkUyffmE2Y03+FnsQzNfByjoThnC/rtEvfLk4VSpHZ0qjs6 F9vNoKhA93+GR0L3h5u6ZMDGEA+NbmmwTMrrBV+fLcMkYGJZDzCKNuRG0jZTL/CF S5Hii87MsGw= =tQuy -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce