-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: kernel security update Advisory ID: RHSA-2023:1588-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2023:1588 Issue date: 2023-04-04 CVE Names: CVE-2023-0266 ==================================================================== 1. Summary: An update for kernel is now available for Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions. 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 E4S (v. 8.1) - aarch64, noarch, ppc64le, s390x, x86_64 3. Description: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * 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 The system must be rebooted for this update to take effect. 5. Bugs fixed (https://bugzilla.redhat.com/): 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 E4S (v. 8.1): Source: kernel-4.18.0-147.81.1.el8_1.src.rpm aarch64: bpftool-4.18.0-147.81.1.el8_1.aarch64.rpm bpftool-debuginfo-4.18.0-147.81.1.el8_1.aarch64.rpm kernel-4.18.0-147.81.1.el8_1.aarch64.rpm kernel-core-4.18.0-147.81.1.el8_1.aarch64.rpm kernel-cross-headers-4.18.0-147.81.1.el8_1.aarch64.rpm kernel-debug-4.18.0-147.81.1.el8_1.aarch64.rpm kernel-debug-core-4.18.0-147.81.1.el8_1.aarch64.rpm kernel-debug-debuginfo-4.18.0-147.81.1.el8_1.aarch64.rpm kernel-debug-devel-4.18.0-147.81.1.el8_1.aarch64.rpm kernel-debug-modules-4.18.0-147.81.1.el8_1.aarch64.rpm kernel-debug-modules-extra-4.18.0-147.81.1.el8_1.aarch64.rpm kernel-debuginfo-4.18.0-147.81.1.el8_1.aarch64.rpm kernel-debuginfo-common-aarch64-4.18.0-147.81.1.el8_1.aarch64.rpm kernel-devel-4.18.0-147.81.1.el8_1.aarch64.rpm kernel-headers-4.18.0-147.81.1.el8_1.aarch64.rpm kernel-modules-4.18.0-147.81.1.el8_1.aarch64.rpm kernel-modules-extra-4.18.0-147.81.1.el8_1.aarch64.rpm kernel-tools-4.18.0-147.81.1.el8_1.aarch64.rpm kernel-tools-debuginfo-4.18.0-147.81.1.el8_1.aarch64.rpm kernel-tools-libs-4.18.0-147.81.1.el8_1.aarch64.rpm perf-4.18.0-147.81.1.el8_1.aarch64.rpm perf-debuginfo-4.18.0-147.81.1.el8_1.aarch64.rpm python3-perf-4.18.0-147.81.1.el8_1.aarch64.rpm python3-perf-debuginfo-4.18.0-147.81.1.el8_1.aarch64.rpm noarch: kernel-abi-whitelists-4.18.0-147.81.1.el8_1.noarch.rpm kernel-doc-4.18.0-147.81.1.el8_1.noarch.rpm ppc64le: bpftool-4.18.0-147.81.1.el8_1.ppc64le.rpm bpftool-debuginfo-4.18.0-147.81.1.el8_1.ppc64le.rpm kernel-4.18.0-147.81.1.el8_1.ppc64le.rpm kernel-core-4.18.0-147.81.1.el8_1.ppc64le.rpm kernel-cross-headers-4.18.0-147.81.1.el8_1.ppc64le.rpm kernel-debug-4.18.0-147.81.1.el8_1.ppc64le.rpm kernel-debug-core-4.18.0-147.81.1.el8_1.ppc64le.rpm kernel-debug-debuginfo-4.18.0-147.81.1.el8_1.ppc64le.rpm kernel-debug-devel-4.18.0-147.81.1.el8_1.ppc64le.rpm kernel-debug-modules-4.18.0-147.81.1.el8_1.ppc64le.rpm kernel-debug-modules-extra-4.18.0-147.81.1.el8_1.ppc64le.rpm kernel-debuginfo-4.18.0-147.81.1.el8_1.ppc64le.rpm kernel-debuginfo-common-ppc64le-4.18.0-147.81.1.el8_1.ppc64le.rpm kernel-devel-4.18.0-147.81.1.el8_1.ppc64le.rpm kernel-headers-4.18.0-147.81.1.el8_1.ppc64le.rpm kernel-modules-4.18.0-147.81.1.el8_1.ppc64le.rpm kernel-modules-extra-4.18.0-147.81.1.el8_1.ppc64le.rpm kernel-tools-4.18.0-147.81.1.el8_1.ppc64le.rpm kernel-tools-debuginfo-4.18.0-147.81.1.el8_1.ppc64le.rpm kernel-tools-libs-4.18.0-147.81.1.el8_1.ppc64le.rpm perf-4.18.0-147.81.1.el8_1.ppc64le.rpm perf-debuginfo-4.18.0-147.81.1.el8_1.ppc64le.rpm python3-perf-4.18.0-147.81.1.el8_1.ppc64le.rpm python3-perf-debuginfo-4.18.0-147.81.1.el8_1.ppc64le.rpm s390x: bpftool-4.18.0-147.81.1.el8_1.s390x.rpm bpftool-debuginfo-4.18.0-147.81.1.el8_1.s390x.rpm kernel-4.18.0-147.81.1.el8_1.s390x.rpm kernel-core-4.18.0-147.81.1.el8_1.s390x.rpm kernel-cross-headers-4.18.0-147.81.1.el8_1.s390x.rpm kernel-debug-4.18.0-147.81.1.el8_1.s390x.rpm kernel-debug-core-4.18.0-147.81.1.el8_1.s390x.rpm kernel-debug-debuginfo-4.18.0-147.81.1.el8_1.s390x.rpm kernel-debug-devel-4.18.0-147.81.1.el8_1.s390x.rpm kernel-debug-modules-4.18.0-147.81.1.el8_1.s390x.rpm kernel-debug-modules-extra-4.18.0-147.81.1.el8_1.s390x.rpm kernel-debuginfo-4.18.0-147.81.1.el8_1.s390x.rpm kernel-debuginfo-common-s390x-4.18.0-147.81.1.el8_1.s390x.rpm kernel-devel-4.18.0-147.81.1.el8_1.s390x.rpm kernel-headers-4.18.0-147.81.1.el8_1.s390x.rpm kernel-modules-4.18.0-147.81.1.el8_1.s390x.rpm kernel-modules-extra-4.18.0-147.81.1.el8_1.s390x.rpm kernel-tools-4.18.0-147.81.1.el8_1.s390x.rpm kernel-tools-debuginfo-4.18.0-147.81.1.el8_1.s390x.rpm kernel-zfcpdump-4.18.0-147.81.1.el8_1.s390x.rpm kernel-zfcpdump-core-4.18.0-147.81.1.el8_1.s390x.rpm kernel-zfcpdump-debuginfo-4.18.0-147.81.1.el8_1.s390x.rpm kernel-zfcpdump-devel-4.18.0-147.81.1.el8_1.s390x.rpm kernel-zfcpdump-modules-4.18.0-147.81.1.el8_1.s390x.rpm kernel-zfcpdump-modules-extra-4.18.0-147.81.1.el8_1.s390x.rpm perf-4.18.0-147.81.1.el8_1.s390x.rpm perf-debuginfo-4.18.0-147.81.1.el8_1.s390x.rpm python3-perf-4.18.0-147.81.1.el8_1.s390x.rpm python3-perf-debuginfo-4.18.0-147.81.1.el8_1.s390x.rpm x86_64: bpftool-4.18.0-147.81.1.el8_1.x86_64.rpm bpftool-debuginfo-4.18.0-147.81.1.el8_1.x86_64.rpm kernel-4.18.0-147.81.1.el8_1.x86_64.rpm kernel-core-4.18.0-147.81.1.el8_1.x86_64.rpm kernel-cross-headers-4.18.0-147.81.1.el8_1.x86_64.rpm kernel-debug-4.18.0-147.81.1.el8_1.x86_64.rpm kernel-debug-core-4.18.0-147.81.1.el8_1.x86_64.rpm kernel-debug-debuginfo-4.18.0-147.81.1.el8_1.x86_64.rpm kernel-debug-devel-4.18.0-147.81.1.el8_1.x86_64.rpm kernel-debug-modules-4.18.0-147.81.1.el8_1.x86_64.rpm kernel-debug-modules-extra-4.18.0-147.81.1.el8_1.x86_64.rpm kernel-debuginfo-4.18.0-147.81.1.el8_1.x86_64.rpm kernel-debuginfo-common-x86_64-4.18.0-147.81.1.el8_1.x86_64.rpm kernel-devel-4.18.0-147.81.1.el8_1.x86_64.rpm kernel-headers-4.18.0-147.81.1.el8_1.x86_64.rpm kernel-modules-4.18.0-147.81.1.el8_1.x86_64.rpm kernel-modules-extra-4.18.0-147.81.1.el8_1.x86_64.rpm kernel-tools-4.18.0-147.81.1.el8_1.x86_64.rpm kernel-tools-debuginfo-4.18.0-147.81.1.el8_1.x86_64.rpm kernel-tools-libs-4.18.0-147.81.1.el8_1.x86_64.rpm perf-4.18.0-147.81.1.el8_1.x86_64.rpm perf-debuginfo-4.18.0-147.81.1.el8_1.x86_64.rpm python3-perf-4.18.0-147.81.1.el8_1.x86_64.rpm python3-perf-debuginfo-4.18.0-147.81.1.el8_1.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/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 iQIVAwUBZCvqp9zjgjWX9erEAQiaXhAAg1lFw+m+yEwVdLTbaGOkzg0Wla/fIFT9 KiLKyv/l8wHRKUHFkcyNXD35Ux2Ob+BFkEwR2CddOf+6ZJQz9cM9IroCQ4fgiNrp wlRWQYtKfq37HTUXP5Heiwqe7yw1eiZdZ/UuqoERReyreMdUjahKuP4w/UxG1+Pw /xyNL10Oz52Ws/qGyLAv4UB55b4h94FwNDhskvVkw9/hCk0qMJrcECDZn+YLoCg3 VaN/MGl8uSRMf3DKnyw/Z/2v9AZd0X4AqKmzbNWUFyQ86bwaVSC37B/G5uQQZTSS XlnjwUgOLjg+SoxN7UrYcC3It+7UAx7Gbg5gezXXzCWjRXhn/Tqc9Y/+opMJC21X 2HkK2RvVftM06R56RF2/RMTmIf6nbXO0d0unegB0RFk+wd1Q68/8osnYfsG/DFaK k3TMxoUX1IlWVdrxHvp8BswFc9wStM6bdGSXm47STQne1orr9iDXJMuq9KsD9ZBT 9nvp/1gj/aLKNaCyH8LxgAKASR+KmtBQUAvV9RF0slNRkiDOGl2WwoZGYGA1uVp6 azPCBxaE5NUiiWgAnVcYCQimQh7Joqcz0szw7BDHuaF2RziR+vo0DqDR7xNameTH dCfVA4WEMEE/jeb6XumN2uH+SktTrjaM1owIRj6kxp7U0WinajB3VVVahd31R8mi vcBom9i111Y=wiwd -----END PGP SIGNATURE----- -- RHSA-announce mailing list This email address is being protected from spambots. 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For details on how to apply this update, which includes the changes
described in this advisory, refer to:
https://access.redhat.com/articles/11258
The system must be rebooted for this update to take effect.
The kernel packages contain the Linux kernel, the core of any Linux
operating system.
Security Fix(es):
* 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.
https://access.redhat.com/security/cve/CVE-2023-0266 https://access.redhat.com/security/updates/classification/#important
Red Hat Enterprise Linux BaseOS E4S (v. 8.1):
Source:
kernel-4.18.0-147.81.1.el8_1.src.rpm
aarch64:
bpftool-4.18.0-147.81.1.el8_1.aarch64.rpm
bpftool-debuginfo-4.18.0-147.81.1.el8_1.aarch64.rpm
kernel-4.18.0-147.81.1.el8_1.aarch64.rpm
kernel-core-4.18.0-147.81.1.el8_1.aarch64.rpm
kernel-cross-headers-4.18.0-147.81.1.el8_1.aarch64.rpm
kernel-debug-4.18.0-147.81.1.el8_1.aarch64.rpm
kernel-debug-core-4.18.0-147.81.1.el8_1.aarch64.rpm
kernel-debug-debuginfo-4.18.0-147.81.1.el8_1.aarch64.rpm
kernel-debug-devel-4.18.0-147.81.1.el8_1.aarch64.rpm
kernel-debug-modules-4.18.0-147.81.1.el8_1.aarch64.rpm
kernel-debug-modules-extra-4.18.0-147.81.1.el8_1.aarch64.rpm
kernel-debuginfo-4.18.0-147.81.1.el8_1.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-147.81.1.el8_1.aarch64.rpm
kernel-devel-4.18.0-147.81.1.el8_1.aarch64.rpm
kernel-headers-4.18.0-147.81.1.el8_1.aarch64.rpm
kernel-modules-4.18.0-147.81.1.el8_1.aarch64.rpm
kernel-modules-extra-4.18.0-147.81.1.el8_1.aarch64.rpm
kernel-tools-4.18.0-147.81.1.el8_1.aarch64.rpm
kernel-tools-debuginfo-4.18.0-147.81.1.el8_1.aarch64.rpm
kernel-tools-libs-4.18.0-147.81.1.el8_1.aarch64.rpm
perf-4.18.0-147.81.1.el8_1.aarch64.rpm
perf-debuginfo-4.18.0-147.81.1.el8_1.aarch64.rpm
python3-perf-4.18.0-147.81.1.el8_1.aarch64.rpm
Read the Full Advisory
An update for kernel is now available for Red Hat Enterprise Linux 8.1Update Services for SAP Solutions.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.
Red Hat Enterprise Linux BaseOS E4S (v. 8.1) - aarch64, noarch, ppc64le, s390x, x86_64
2163379 - CVE-2023-0266 ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF
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