Red Hat Security Advisory: kernel-rt security update
🔗 CVE IDs covered (5)
📋 Description
CVE-2020-36558 — kernel: race condition in VT_RESIZEX ioctl when vc_cons[i].d is already NULL leading to NULL pointer dereference CVE-2023-2002 — Kernel: bluetooth: Unauthorized management command execution CVE-2023-4622 — kernel: use after free in unix_stream_sendpage CVE-2023-4623 — kernel: net/sched: sch_hfsc UAF CVE-2023-25775 — kernel: irdma: Improper access control
🎯 Affected products32
- Red Hat Enterprise Linux for Real Time (v. 7)
- Red Hat Enterprise Linux for Real Time for NFV (v. 7)
- kernel-rt-0:3.10.0-1160.118.1.rt56.1269.el7.src as a component of Red Hat Enterprise Linux for Real Time (v. 7)
- kernel-rt-0:3.10.0-1160.118.1.rt56.1269.el7.src as a component of Red Hat Enterprise Linux for Real Time for NFV (v. 7)
- kernel-rt-0:3.10.0-1160.118.1.rt56.1269.el7.x86_64 as a component of Red Hat Enterprise Linux for Real Time (v. 7)
- kernel-rt-0:3.10.0-1160.118.1.rt56.1269.el7.x86_64 as a component of Red Hat Enterprise Linux for Real Time for NFV (v. 7)
- kernel-rt-debug-0:3.10.0-1160.118.1.rt56.1269.el7.x86_64 as a component of Red Hat Enterprise Linux for Real Time (v. 7)
- kernel-rt-debug-0:3.10.0-1160.118.1.rt56.1269.el7.x86_64 as a component of Red Hat Enterprise Linux for Real Time for NFV (v. 7)
- kernel-rt-debug-debuginfo-0:3.10.0-1160.118.1.rt56.1269.el7.x86_64 as a component of Red Hat Enterprise Linux for Real Time (v. 7)
- kernel-rt-debug-debuginfo-0:3.10.0-1160.118.1.rt56.1269.el7.x86_64 as a component of Red Hat Enterprise Linux for Real Time for NFV (v. 7)
- kernel-rt-debug-devel-0:3.10.0-1160.118.1.rt56.1269.el7.x86_64 as a component of Red Hat Enterprise Linux for Real Time (v. 7)
- kernel-rt-debug-devel-0:3.10.0-1160.118.1.rt56.1269.el7.x86_64 as a component of Red Hat Enterprise Linux for Real Time for NFV (v. 7)
- kernel-rt-debug-kvm-0:3.10.0-1160.118.1.rt56.1269.el7.x86_64 as a component of Red Hat Enterprise Linux for Real Time for NFV (v. 7)
- kernel-rt-debug-kvm-debuginfo-0:3.10.0-1160.118.1.rt56.1269.el7.x86_64 as a component of Red Hat Enterprise Linux for Real Time for NFV (v. 7)
- kernel-rt-debuginfo-0:3.10.0-1160.118.1.rt56.1269.el7.x86_64 as a component of Red Hat Enterprise Linux for Real Time (v. 7)
- kernel-rt-debuginfo-0:3.10.0-1160.118.1.rt56.1269.el7.x86_64 as a component of Red Hat Enterprise Linux for Real Time for NFV (v. 7)
- kernel-rt-debuginfo-common-x86_64-0:3.10.0-1160.118.1.rt56.1269.el7.x86_64 as a component of Red Hat Enterprise Linux for Real Time (v. 7)
- kernel-rt-debuginfo-common-x86_64-0:3.10.0-1160.118.1.rt56.1269.el7.x86_64 as a component of Red Hat Enterprise Linux for Real Time for NFV (v. 7)
- kernel-rt-devel-0:3.10.0-1160.118.1.rt56.1269.el7.x86_64 as a component of Red Hat Enterprise Linux for Real Time (v. 7)
- kernel-rt-devel-0:3.10.0-1160.118.1.rt56.1269.el7.x86_64 as a component of Red Hat Enterprise Linux for Real Time for NFV (v. 7)
- kernel-rt-doc-0:3.10.0-1160.118.1.rt56.1269.el7.noarch as a component of Red Hat Enterprise Linux for Real Time (v. 7)
- kernel-rt-doc-0:3.10.0-1160.118.1.rt56.1269.el7.noarch as a component of Red Hat Enterprise Linux for Real Time for NFV (v. 7)
- kernel-rt-kvm-0:3.10.0-1160.118.1.rt56.1269.el7.x86_64 as a component of Red Hat Enterprise Linux for Real Time for NFV (v. 7)
- kernel-rt-kvm-debuginfo-0:3.10.0-1160.118.1.rt56.1269.el7.x86_64 as a component of Red Hat Enterprise Linux for Real Time for NFV (v. 7)
- kernel-rt-trace-0:3.10.0-1160.118.1.rt56.1269.el7.x86_64 as a component of Red Hat Enterprise Linux for Real Time (v. 7)
- kernel-rt-trace-0:3.10.0-1160.118.1.rt56.1269.el7.x86_64 as a component of Red Hat Enterprise Linux for Real Time for NFV (v. 7)
- kernel-rt-trace-debuginfo-0:3.10.0-1160.118.1.rt56.1269.el7.x86_64 as a component of Red Hat Enterprise Linux for Real Time (v. 7)
- kernel-rt-trace-debuginfo-0:3.10.0-1160.118.1.rt56.1269.el7.x86_64 as a component of Red Hat Enterprise Linux for Real Time for NFV (v. 7)
- kernel-rt-trace-devel-0:3.10.0-1160.118.1.rt56.1269.el7.x86_64 as a component of Red Hat Enterprise Linux for Real Time (v. 7)
- kernel-rt-trace-devel-0:3.10.0-1160.118.1.rt56.1269.el7.x86_64 as a component of Red Hat Enterprise Linux for Real Time for NFV (v. 7)
- +2 more not shown
✅ Remediation
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, 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 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: To mitigate this issue, prevent the module sch_hfsc from being loaded by blacklisting the module to prevent it from loading automatically. ~~~ https://access.redhat.com/solutions/41278 ~~~
🔗 References (8)
- selfhttps://access.redhat.com/errata/RHSA-2024:2003
- externalhttps://access.redhat.com/security/updates/classification/#important
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2112693
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2187308
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2231410
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2237757
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2237760
- selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2024/rhsa-2024_2003.json