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Red Hat Product Errata RHSA-2023:4699 - Security Advisory
Issued:
2023-08-22
Updated:
2023-08-22

RHSA-2023:4699 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Important: kernel security update

Type/Severity

Security Advisory: Important

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

An update for kernel is now available for Red Hat Enterprise Linux 7.4 Advanced Update Support.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

  • kernel: netfilter: use-after-free in nf_tables when processing batch requests can lead to privilege escalation (CVE-2023-32233)
  • hw: amd: Cross-Process Information Leak (CVE-2023-20593)

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.

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.

Affected Products

  • Red Hat Enterprise Linux Server - AUS 7.4 x86_64

Fixes

  • BZ - 2196105 - CVE-2023-32233 kernel: netfilter: use-after-free in nf_tables when processing batch requests can lead to privilege escalation
  • BZ - 2217845 - CVE-2023-20593 hw: amd: Cross-Process Information Leak

CVEs

  • CVE-2023-20593
  • CVE-2023-32233

References

  • https://access.redhat.com/security/updates/classification/#important
Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat Enterprise Linux Server - AUS 7.4

SRPM
kernel-3.10.0-693.112.1.el7.src.rpm SHA-256: 29a0007676ec5e55b5f52c22e347e8e3a077f863b433fb15c6ba9045ae5e77ba
x86_64
kernel-3.10.0-693.112.1.el7.x86_64.rpm SHA-256: f9c1c5a4a0ce9d07ee35c18117b79d794d352851ae60d4eda7db9b05d2954d98
kernel-abi-whitelists-3.10.0-693.112.1.el7.noarch.rpm SHA-256: 31b320de954ee878ac5865021800f1d5e187fc1a8effb36b518c65cb7611ac98
kernel-debug-3.10.0-693.112.1.el7.x86_64.rpm SHA-256: 6714785b9c78b7fad0533406adb9d4a5b3c498a5b9788dad750b13d9b79a9f33
kernel-debug-debuginfo-3.10.0-693.112.1.el7.x86_64.rpm SHA-256: 3260ac2d1075607f72849d0027b26bdd205724845db27905535a2a35e49da7d4
kernel-debug-debuginfo-3.10.0-693.112.1.el7.x86_64.rpm SHA-256: 3260ac2d1075607f72849d0027b26bdd205724845db27905535a2a35e49da7d4
kernel-debug-devel-3.10.0-693.112.1.el7.x86_64.rpm SHA-256: 7274653bd5d68ec81a49f17334ffdc597f282f7851f7ad3b570ac07b8d7fa13f
kernel-debuginfo-3.10.0-693.112.1.el7.x86_64.rpm SHA-256: b14c453a97bdb7698a0eb59dd466076542681fba6536b9b9e7e945e499ee7915
kernel-debuginfo-3.10.0-693.112.1.el7.x86_64.rpm SHA-256: b14c453a97bdb7698a0eb59dd466076542681fba6536b9b9e7e945e499ee7915
kernel-debuginfo-common-x86_64-3.10.0-693.112.1.el7.x86_64.rpm SHA-256: 8df7f5fdd44a627564386e24b49862121d48bf52fee900f0c55dd0ab14e684ce
kernel-debuginfo-common-x86_64-3.10.0-693.112.1.el7.x86_64.rpm SHA-256: 8df7f5fdd44a627564386e24b49862121d48bf52fee900f0c55dd0ab14e684ce
kernel-devel-3.10.0-693.112.1.el7.x86_64.rpm SHA-256: 24d487d1b2bd75da0c7e7cc3c2502644a106ddf967c58b1ca11f9a3e47577595
kernel-doc-3.10.0-693.112.1.el7.noarch.rpm SHA-256: a8f47bdfeddac8c5946850e0604db257c392f4b280c1598118c4e08eeda2bb50
kernel-headers-3.10.0-693.112.1.el7.x86_64.rpm SHA-256: c03b1272a98c44c4606244db8062273ef69b9ad484f6a2fe3717e88c4011d775
kernel-tools-3.10.0-693.112.1.el7.x86_64.rpm SHA-256: b2be068f117ae32de59334f0dcf5b59077b69e1f094a9d61081c15bd5b9eb155
kernel-tools-debuginfo-3.10.0-693.112.1.el7.x86_64.rpm SHA-256: 8631c504071c1425c51a93592c5b5773b062ba8173a053bf8083a99bed05161c
kernel-tools-debuginfo-3.10.0-693.112.1.el7.x86_64.rpm SHA-256: 8631c504071c1425c51a93592c5b5773b062ba8173a053bf8083a99bed05161c
kernel-tools-libs-3.10.0-693.112.1.el7.x86_64.rpm SHA-256: 6891ef4d0694c0e2344570cc6f0b74db2011dedf53d2a66fbaf489b71130e87a
kernel-tools-libs-devel-3.10.0-693.112.1.el7.x86_64.rpm SHA-256: 01c0f235eb6adc3970482eb71345c1cc61818be98d5263b3323dbdfede2eb788
perf-3.10.0-693.112.1.el7.x86_64.rpm SHA-256: 3065c3950ac26cd0270bdb3e0533942e6e139e8a6e21b3211eb80b87f8e7388c
perf-debuginfo-3.10.0-693.112.1.el7.x86_64.rpm SHA-256: 78efa83e064189904d5b8139fd08df6081a6a848b1f796ac008d47efe13817cb
perf-debuginfo-3.10.0-693.112.1.el7.x86_64.rpm SHA-256: 78efa83e064189904d5b8139fd08df6081a6a848b1f796ac008d47efe13817cb
python-perf-3.10.0-693.112.1.el7.x86_64.rpm SHA-256: 5aa4d52abde6fd36302d9ef29505009cfd1736690354a38c481a1232965d6113
python-perf-debuginfo-3.10.0-693.112.1.el7.x86_64.rpm SHA-256: 22f1a32a0c7def9be7dc52640fe5a22b0b3b5a44d23f15200e9fe3d217222d2a
python-perf-debuginfo-3.10.0-693.112.1.el7.x86_64.rpm SHA-256: 22f1a32a0c7def9be7dc52640fe5a22b0b3b5a44d23f15200e9fe3d217222d2a

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.

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