Red Hat Security Advisory: kernel security and bug fix update
🔗 CVE IDs covered (6)
📋 Description
CVE-2022-1353 — kernel: kernel info leak issue in pfkey_register CVE-2022-39188 — kernel: unmap_mapping_range() race with munmap() on VM_PFNMAP mappings leads to stale TLB entry CVE-2023-0458 — kernel: speculative pointer dereference in do_prlimit() in kernel/sys.c CVE-2023-3090 — kernel: ipvlan: out-of-bounds write caused by unclear skb->cb CVE-2023-28466 — kernel: tls: race condition in do_tls_getsockopt may lead to use-after-free or NULL pointer dereference CVE-2023-44466 — kernel: buffer overflow in ceph file net/ceph/messenger_v2.c
🎯 Affected products169
- Red Hat CodeReady Linux Builder EUS (v.9.0)
- Red Hat Enterprise Linux AppStream EUS (v.9.0)
- Red Hat Enterprise Linux BaseOS EUS (v.9.0)
- bpftool-0:5.14.0-70.70.1.el9_0.aarch64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.0)
- bpftool-0:5.14.0-70.70.1.el9_0.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.0)
- bpftool-0:5.14.0-70.70.1.el9_0.s390x as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.0)
- bpftool-0:5.14.0-70.70.1.el9_0.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.0)
- bpftool-debuginfo-0:5.14.0-70.70.1.el9_0.aarch64 as a component of Red Hat CodeReady Linux Builder EUS (v.9.0)
- bpftool-debuginfo-0:5.14.0-70.70.1.el9_0.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.0)
- bpftool-debuginfo-0:5.14.0-70.70.1.el9_0.aarch64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.0)
- bpftool-debuginfo-0:5.14.0-70.70.1.el9_0.ppc64le as a component of Red Hat CodeReady Linux Builder EUS (v.9.0)
- bpftool-debuginfo-0:5.14.0-70.70.1.el9_0.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v.9.0)
- bpftool-debuginfo-0:5.14.0-70.70.1.el9_0.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.0)
- bpftool-debuginfo-0:5.14.0-70.70.1.el9_0.s390x as a component of Red Hat CodeReady Linux Builder EUS (v.9.0)
- bpftool-debuginfo-0:5.14.0-70.70.1.el9_0.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v.9.0)
- bpftool-debuginfo-0:5.14.0-70.70.1.el9_0.s390x as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.0)
- bpftool-debuginfo-0:5.14.0-70.70.1.el9_0.x86_64 as a component of Red Hat CodeReady Linux Builder EUS (v.9.0)
- bpftool-debuginfo-0:5.14.0-70.70.1.el9_0.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.0)
- bpftool-debuginfo-0:5.14.0-70.70.1.el9_0.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.0)
- kernel-0:5.14.0-70.70.1.el9_0.aarch64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.0)
- kernel-0:5.14.0-70.70.1.el9_0.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.0)
- kernel-0:5.14.0-70.70.1.el9_0.s390x as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.0)
- kernel-0:5.14.0-70.70.1.el9_0.src as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.0)
- kernel-0:5.14.0-70.70.1.el9_0.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.0)
- kernel-abi-stablelists-0:5.14.0-70.70.1.el9_0.noarch as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.0)
- kernel-core-0:5.14.0-70.70.1.el9_0.aarch64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.0)
- kernel-core-0:5.14.0-70.70.1.el9_0.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.0)
- kernel-core-0:5.14.0-70.70.1.el9_0.s390x as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.0)
- kernel-core-0:5.14.0-70.70.1.el9_0.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.0)
- kernel-debug-0:5.14.0-70.70.1.el9_0.aarch64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.0)
- +139 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: 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 `ipvlan` kernel module from being loaded. For instructions on how to blacklist a kernel module, please see https://access.redhat.com/solutions/41278. Workaround: This flaw can be mitigated by preventing the affected Transport Layer Security (TLS) kernel module from loading during the boot time. Ensure the module is added into the blacklist file. ~~~ Refer: How do I blacklist a kernel module to prevent it from loading automatically? https://access.redhat.com/solutions/41278 ~~~
🔗 References (8)
- selfhttps://access.redhat.com/errata/RHSA-2023:4801
- externalhttps://access.redhat.com/security/updates/classification/#important
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2066819
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2130141
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2179000
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2193219
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2218672
- selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2023/rhsa-2023_4801.json