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Red Hat Enterprise Linux 9 RHSA-2023-5091-01 Important Kernel-Rt Security

red hat
Calendar Grey September 12, 2023
Dist Redhat Esm H88
Critical kernel-rt vulnerability remediation and patch deploy for Red Hat Enterprise Linux 9, featuring comprehensive severity evaluations.
An update for kernel-rt is now available for Red Hat Enterprise Linux 9

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.

Summary

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.
Security Fix(es):
* kernel: UAF in nftables when nft_set_lookup_global triggered after handling named and anonymous sets in batch requests (CVE-2023-3390)
* kernel: netfilter: nf_tables: fix chain binding transaction logic in the abort path of NFT_MSG_NEWRULE (CVE-2023-3610)
* kernel: net/sched: cls_fw component can be exploited as result of failure in tcf_change_indev function (CVE-2023-3776)
* kernel: netfilter: use-after-free due to improper element removal in nft_pipapo_remove() (CVE-2023-4004)
* kernel: netfilter: nf_tables_newrule when adding a rule with NFTA_RULE_CHAIN_ID leads to use-after-free (CVE-2023-4147)
* kernel: nf_tables: use-after-free in nft_chain_lookup_byid() (CVE-2023-31248)
* kernel: nf_tables: stack-out-of-bounds-read in nft_byteorder_eval() (CVE-2023-35001)
* kernel: save/restore speculative MSRs during S3 suspend/resume (CVE-2023-1637)
* hw: amd: Cross-Process Information Leak (CVE-2023-20593)
* kernel: bypass of shadow stack protection due to a logic error (CVE-2023-21102)
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.
Bug Fix(es):
* kernel-rt: update RT source tree to the latest RHEL-9.2.z3 Batch (BZ#2228482)

Topics%20covered

Topics Covered

security advisory bug fix security fix important system update red hat enterprise linux kernel rt

References

https://access.redhat.com/security/cve/CVE-2023-1637 https://access.redhat.com/security/cve/CVE-2023-3390 https://access.redhat.com/security/cve/CVE-2023-3610 https://access.redhat.com/security/cve/CVE-2023-3776 https://access.redhat.com/security/cve/CVE-2023-4004 https://access.redhat.com/security/cve/CVE-2023-4147 https://access.redhat.com/security/cve/CVE-2023-20593 https://access.redhat.com/security/cve/CVE-2023-21102 https://access.redhat.com/security/cve/CVE-2023-31248 https://access.redhat.com/security/cve/CVE-2023-35001 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux NFV (v. 9):
Source: kernel-rt-5.14.0-284.30.1.rt14.315.el9_2.src.rpm
x86_64: kernel-rt-5.14.0-284.30.1.rt14.315.el9_2.x86_64.rpm kernel-rt-core-5.14.0-284.30.1.rt14.315.el9_2.x86_64.rpm kernel-rt-debug-5.14.0-284.30.1.rt14.315.el9_2.x86_64.rpm kernel-rt-debug-core-5.14.0-284.30.1.rt14.315.el9_2.x86_64.rpm kernel-rt-debug-debuginfo-5.14.0-284.30.1.rt14.315.el9_2.x86_64.rpm kernel-rt-debug-devel-5.14.0-284.30.1.rt14.315.el9_2.x86_64.rpm kernel-rt-debug-kvm-5.14.0-284.30.1.rt14.315.el9_2.x86_64.rpm kernel-rt-debug-modules-5.14.0-284.30.1.rt14.315.el9_2.x86_64.rpm kernel-rt-debug-modules-core-5.14.0-284.30.1.rt14.315.el9_2.x86_64.rpm kernel-rt-debug-modules-extra-5.14.0-284.30.1.rt14.315.el9_2.x86_64.rpm kernel-rt-debuginfo-5.14.0-284.30.1.rt14.315.el9_2.x86_64.rpm kernel-rt-debuginfo-common-x86_64-5.14.0-284.30.1.rt14.315.el9_2.x86_64.rpm kernel-rt-devel-5.14.0-284.30.1.rt14.315.el9_2.x86_64.rpm kernel-rt-kvm-5.14.0-284.30.1.rt14.315.el9_2.x86_64.rpm kernel-rt-modules-5.14.0-284.30.1.rt14.315.el9_2.x86_64.rpm kernel-rt-modules-core-5.14.0-284.30.1.rt14.315.el9_2.x86_64.rpm kernel-rt-modules-extra-5.14.0-284.30.1.rt14.315.el9_2.x86_64.rpm
Red Hat Enterprise Linux RT (v. 9):
Source: kernel-rt-5.14.0-284.30.1.rt14.315.el9_2.src.rpm
x86_64:

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2023:5091-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:5091
Issue date: 2023-09-12

Topic

An update for kernel-rt is now available for Red Hat Enterprise Linux 9.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.

Topics%20covered

Topics Covered

security advisory bug fix security fix important system update red hat enterprise linux kernel rt

Relevant Releases Architectures

Red Hat Enterprise Linux NFV (v. 9) - x86_64

Red Hat Enterprise Linux RT (v. 9) - x86_64

Bugs Fixed

2181891 - CVE-2023-1637 kernel: save/restore speculative MSRs during S3 suspend/resume

2213260 - CVE-2023-3390 kernel: UAF in nftables when nft_set_lookup_global triggered after handling named and anonymous sets in batch requests

2213455 - CVE-2023-21102 kernel: bypass of shadow stack protection due to a logic error

2217845 - CVE-2023-20593 hw: amd: Cross-Process Information Leak

2220892 - CVE-2023-35001 kernel: nf_tables: stack-out-of-bounds-read in nft_byteorder_eval()

2220893 - CVE-2023-31248 kernel: nf_tables: use-after-free in nft_chain_lookup_byid()

2225097 - CVE-2023-3776 kernel: net/sched: cls_fw component can be exploited as result of failure in tcf_change_indev function

2225198 - CVE-2023-3610 kernel: netfilter: nf_tables: fix chain binding transaction logic in the abort path of NFT_MSG_NEWRULE

2225239 - CVE-2023-4147 kernel: netfilter: nf_tables_newrule when adding a rule with NFTA_RULE_CHAIN_ID leads to use-after-free

2225275 - CVE-2023-4004 kernel: netfilter: use-after-free due to improper element removal in nft_pipapo_remove()

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