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Red Hat: RHSA-2023:5093-01 Critical: Kpatch-Patch Kernel Issues

red hat
Calendar Grey September 12, 2023
Dist Redhat Esm H88
Crucial security enhancement for kpatch-patch in Red Hat Enterprise Linux 9 resolves significant vulnerabilities. Discover further details.
An update for kpatch-patch 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

Summary

This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel.
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)
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.

Topics%20covered

Topics Covered

security advisory security issue red hat kernel security critical threat important update kpatch-patch

References

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-2023-31248 https://access.redhat.com/security/cve/CVE-2023-35001 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux BaseOS (v. 9):
Source: kpatch-patch-5_14_0-284_11_1-1-5.el9_2.src.rpm kpatch-patch-5_14_0-284_18_1-1-4.el9_2.src.rpm kpatch-patch-5_14_0-284_25_1-1-3.el9_2.src.rpm
ppc64le: kpatch-patch-5_14_0-284_11_1-1-5.el9_2.ppc64le.rpm kpatch-patch-5_14_0-284_11_1-debuginfo-1-5.el9_2.ppc64le.rpm kpatch-patch-5_14_0-284_11_1-debugsource-1-5.el9_2.ppc64le.rpm kpatch-patch-5_14_0-284_18_1-1-4.el9_2.ppc64le.rpm kpatch-patch-5_14_0-284_18_1-debuginfo-1-4.el9_2.ppc64le.rpm kpatch-patch-5_14_0-284_18_1-debugsource-1-4.el9_2.ppc64le.rpm kpatch-patch-5_14_0-284_25_1-1-3.el9_2.ppc64le.rpm kpatch-patch-5_14_0-284_25_1-debuginfo-1-3.el9_2.ppc64le.rpm kpatch-patch-5_14_0-284_25_1-debugsource-1-3.el9_2.ppc64le.rpm
x86_64: kpatch-patch-5_14_0-284_11_1-1-5.el9_2.x86_64.rpm kpatch-patch-5_14_0-284_11_1-debuginfo-1-5.el9_2.x86_64.rpm kpatch-patch-5_14_0-284_11_1-debugsource-1-5.el9_2.x86_64.rpm kpatch-patch-5_14_0-284_18_1-1-4.el9_2.x86_64.rpm kpatch-patch-5_14_0-284_18_1-debuginfo-1-4.el9_2.x86_64.rpm kpatch-patch-5_14_0-284_18_1-debugsource-1-4.el9_2.x86_64.rpm kpatch-patch-5_14_0-284_25_1-1-3.el9_2.x86_64.rpm kpatch-patch-5_14_0-284_25_1-debuginfo-1-3.el9_2.x86_64.rpm kpatch-patch-5_14_0-284_25_1-debugsource-1-3.el9_2.x86_64.rpm


Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2023:5093-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:5093
Issue date: 2023-09-12

Topic

An update for kpatch-patch 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 security issue red hat kernel security critical threat important update kpatch-patch

Relevant Releases Architectures

Red Hat Enterprise Linux BaseOS (v. 9) - ppc64le, x86_64

Bugs Fixed

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

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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