Red Hat Security Advisory: kernel security update
🔗 CVE IDs covered (7)
📋 Description
CVE-2023-1192 — kernel: use-after-free in smb2_is_status_io_timeout() CVE-2023-5345 — kernel: use-after-free vulnerability in the smb client component CVE-2023-20569 — amd: Return Address Predictor vulnerability leading to information disclosure CVE-2023-45871 — kernel: IGB driver inadequate buffer size for frames larger than MTU CVE-2023-53657 — kernel: ice: Don't tx before switchdev is fully configured CVE-2023-53996 — kernel: x86/sev: Make enc_dec_hypercall() accept a size instead of npages CVE-2023-54170 — kernel: keys: Fix linking a duplicate key to a keyring's assoc_array
🎯 Affected products200
- Red Hat CodeReady Linux Builder (v. 9)
- Red Hat Enterprise Linux AppStream (v. 9)
- Red Hat Enterprise Linux BaseOS (v. 9)
- Red Hat Enterprise Linux Real Time (v. 9)
- Red Hat Enterprise Linux Real Time for NFV (v. 9)
- bpftool-0:7.2.0-362.13.1.el9_3.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
- bpftool-0:7.2.0-362.13.1.el9_3.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 9)
- bpftool-0:7.2.0-362.13.1.el9_3.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 9)
- bpftool-0:7.2.0-362.13.1.el9_3.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
- bpftool-debuginfo-0:7.2.0-362.13.1.el9_3.aarch64 as a component of Red Hat CodeReady Linux Builder (v. 9)
- bpftool-debuginfo-0:7.2.0-362.13.1.el9_3.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
- bpftool-debuginfo-0:7.2.0-362.13.1.el9_3.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
- bpftool-debuginfo-0:7.2.0-362.13.1.el9_3.ppc64le as a component of Red Hat CodeReady Linux Builder (v. 9)
- bpftool-debuginfo-0:7.2.0-362.13.1.el9_3.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
- bpftool-debuginfo-0:7.2.0-362.13.1.el9_3.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 9)
- bpftool-debuginfo-0:7.2.0-362.13.1.el9_3.s390x as a component of Red Hat CodeReady Linux Builder (v. 9)
- bpftool-debuginfo-0:7.2.0-362.13.1.el9_3.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
- bpftool-debuginfo-0:7.2.0-362.13.1.el9_3.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 9)
- bpftool-debuginfo-0:7.2.0-362.13.1.el9_3.x86_64 as a component of Red Hat CodeReady Linux Builder (v. 9)
- bpftool-debuginfo-0:7.2.0-362.13.1.el9_3.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
- bpftool-debuginfo-0:7.2.0-362.13.1.el9_3.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
- bpftool-debuginfo-0:7.2.0-362.13.1.el9_3.x86_64 as a component of Red Hat Enterprise Linux Real Time (v. 9)
- bpftool-debuginfo-0:7.2.0-362.13.1.el9_3.x86_64 as a component of Red Hat Enterprise Linux Real Time for NFV (v. 9)
- kernel-0:5.14.0-362.13.1.el9_3.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
- kernel-0:5.14.0-362.13.1.el9_3.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 9)
- kernel-0:5.14.0-362.13.1.el9_3.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 9)
- kernel-0:5.14.0-362.13.1.el9_3.src as a component of Red Hat Enterprise Linux BaseOS (v. 9)
- kernel-0:5.14.0-362.13.1.el9_3.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
- kernel-64k-0:5.14.0-362.13.1.el9_3.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
- kernel-64k-core-0:5.14.0-362.13.1.el9_3.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
- +170 more not shown
✅ Remediation
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. Workaround: Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability. Workaround: This flaw can be mitigated by preventing the affected `cifs` kernel module from being loaded. For instructions on how to blacklist a kernel module, please see https://access.redhat.com/solutions/41278. Workaround: Mitigation, other than installed the updated packages, for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
🔗 References (7)
- selfhttps://access.redhat.com/errata/RHSA-2023:7749
- externalhttps://access.redhat.com/security/updates/classification/#important
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2154178
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2207625
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2242172
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2244723
- selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2023/rhsa-2023_7749.json