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Red Hat Product Errata RHSA-2023:4817 - Security Advisory
Issued:
2023-08-29
Updated:
2023-08-29

RHSA-2023:4817 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Important: kernel-rt security and bug fix 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-rt is now available for Red Hat Enterprise Linux 8.2 Telecommunications Update Service.

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-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.

Security Fix(es):

  • kernel: ipvlan: out-of-bounds write caused by unclear skb->cb (CVE-2023-3090)
  • kernel: cls_flower: out-of-bounds write in fl_set_geneve_opt() (CVE-2023-35788)
  • kernel: OOB access in the Linux kernel's XFS subsystem (CVE-2023-2124)

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 RHEL-8.2.z28 source tree (BZ#2228917)

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 for Real Time - Telecommunications Update Service 8.2 x86_64
  • Red Hat Enterprise Linux for Real Time for NFV - Telecommunications Update Service 8.2 x86_64

Fixes

  • BZ - 2187439 - CVE-2023-2124 kernel: OOB access in the Linux kernel's XFS subsystem
  • BZ - 2215768 - CVE-2023-35788 kernel: cls_flower: out-of-bounds write in fl_set_geneve_opt()
  • BZ - 2218672 - CVE-2023-3090 kernel: ipvlan: out-of-bounds write caused by unclear skb->cb

CVEs

  • CVE-2023-2124
  • CVE-2023-3090
  • CVE-2023-35788

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 for Real Time - Telecommunications Update Service 8.2

SRPM
kernel-rt-4.18.0-193.113.1.rt13.164.el8_2.src.rpm SHA-256: 9158be93ea634526d0f9f13f4990f8ff118675e41ed050cddbc10ea33a5f9395
x86_64
kernel-rt-4.18.0-193.113.1.rt13.164.el8_2.x86_64.rpm SHA-256: 1dd849365e90781a9fb75205d50c2968f9f995533da74e0633c1bdc9e2ff756a
kernel-rt-core-4.18.0-193.113.1.rt13.164.el8_2.x86_64.rpm SHA-256: c5ea54bed61092c5a24281176587b7fc38df0dd21c3beb170e0b6ef0d75955b5
kernel-rt-debug-4.18.0-193.113.1.rt13.164.el8_2.x86_64.rpm SHA-256: 8d7f527453ad10df03f1d6720652d183ea88eaf4d0a15a18e593ab32d1aaaaae
kernel-rt-debug-core-4.18.0-193.113.1.rt13.164.el8_2.x86_64.rpm SHA-256: f1fe31d77198a0573ee95ff3f62595d179cfcf65262bc0f1dfa8d449c39ac915
kernel-rt-debug-debuginfo-4.18.0-193.113.1.rt13.164.el8_2.x86_64.rpm SHA-256: c9363f5caa9020fc37aeecf074f1c6cbfc415f43ed030560e1b62d2373dd9a95
kernel-rt-debug-devel-4.18.0-193.113.1.rt13.164.el8_2.x86_64.rpm SHA-256: 60759296f29bf564cff0293599ee03a312648d313eb4056f3a8332798aa5fa5a
kernel-rt-debug-modules-4.18.0-193.113.1.rt13.164.el8_2.x86_64.rpm SHA-256: a0b73483febc834daf00fcc1f158297f5f670562092bbbc3985611d1a61b3411
kernel-rt-debug-modules-extra-4.18.0-193.113.1.rt13.164.el8_2.x86_64.rpm SHA-256: ffd3b8c5e561747b4ee34504b8c3508b5e29a53d66660888140fd75428782b76
kernel-rt-debuginfo-4.18.0-193.113.1.rt13.164.el8_2.x86_64.rpm SHA-256: fcd7acb8e469a7ec57eb4310aef4a107556073dfc2d9dd4c99ee215925b9e54a
kernel-rt-debuginfo-common-x86_64-4.18.0-193.113.1.rt13.164.el8_2.x86_64.rpm SHA-256: 9ef24258253e25669666ded6ae56c2d664972386213c01e9bbfc15995bda3df2
kernel-rt-devel-4.18.0-193.113.1.rt13.164.el8_2.x86_64.rpm SHA-256: 4508410db20456d9a0cde9d61723075de093cde40580a734fd44ac252c7f9e2b
kernel-rt-modules-4.18.0-193.113.1.rt13.164.el8_2.x86_64.rpm SHA-256: 79261f5c2376213c39885113899f9a444c16164f67bfe4ce16961bc41807c0ee
kernel-rt-modules-extra-4.18.0-193.113.1.rt13.164.el8_2.x86_64.rpm SHA-256: 6897fd19a0bb3e11fde613e7cbb16fa08e3059a7c5fc5f5b1e48a1e55399b796

Red Hat Enterprise Linux for Real Time for NFV - Telecommunications Update Service 8.2

SRPM
kernel-rt-4.18.0-193.113.1.rt13.164.el8_2.src.rpm SHA-256: 9158be93ea634526d0f9f13f4990f8ff118675e41ed050cddbc10ea33a5f9395
x86_64
kernel-rt-4.18.0-193.113.1.rt13.164.el8_2.x86_64.rpm SHA-256: 1dd849365e90781a9fb75205d50c2968f9f995533da74e0633c1bdc9e2ff756a
kernel-rt-core-4.18.0-193.113.1.rt13.164.el8_2.x86_64.rpm SHA-256: c5ea54bed61092c5a24281176587b7fc38df0dd21c3beb170e0b6ef0d75955b5
kernel-rt-debug-4.18.0-193.113.1.rt13.164.el8_2.x86_64.rpm SHA-256: 8d7f527453ad10df03f1d6720652d183ea88eaf4d0a15a18e593ab32d1aaaaae
kernel-rt-debug-core-4.18.0-193.113.1.rt13.164.el8_2.x86_64.rpm SHA-256: f1fe31d77198a0573ee95ff3f62595d179cfcf65262bc0f1dfa8d449c39ac915
kernel-rt-debug-debuginfo-4.18.0-193.113.1.rt13.164.el8_2.x86_64.rpm SHA-256: c9363f5caa9020fc37aeecf074f1c6cbfc415f43ed030560e1b62d2373dd9a95
kernel-rt-debug-devel-4.18.0-193.113.1.rt13.164.el8_2.x86_64.rpm SHA-256: 60759296f29bf564cff0293599ee03a312648d313eb4056f3a8332798aa5fa5a
kernel-rt-debug-kvm-4.18.0-193.113.1.rt13.164.el8_2.x86_64.rpm SHA-256: 10a18f52ea92a04975211dae650c8394a5f0f93255f68e1d24582f3e6fe1a51e
kernel-rt-debug-modules-4.18.0-193.113.1.rt13.164.el8_2.x86_64.rpm SHA-256: a0b73483febc834daf00fcc1f158297f5f670562092bbbc3985611d1a61b3411
kernel-rt-debug-modules-extra-4.18.0-193.113.1.rt13.164.el8_2.x86_64.rpm SHA-256: ffd3b8c5e561747b4ee34504b8c3508b5e29a53d66660888140fd75428782b76
kernel-rt-debuginfo-4.18.0-193.113.1.rt13.164.el8_2.x86_64.rpm SHA-256: fcd7acb8e469a7ec57eb4310aef4a107556073dfc2d9dd4c99ee215925b9e54a
kernel-rt-debuginfo-common-x86_64-4.18.0-193.113.1.rt13.164.el8_2.x86_64.rpm SHA-256: 9ef24258253e25669666ded6ae56c2d664972386213c01e9bbfc15995bda3df2
kernel-rt-devel-4.18.0-193.113.1.rt13.164.el8_2.x86_64.rpm SHA-256: 4508410db20456d9a0cde9d61723075de093cde40580a734fd44ac252c7f9e2b
kernel-rt-kvm-4.18.0-193.113.1.rt13.164.el8_2.x86_64.rpm SHA-256: 7cb34019bd12661a7a8351ca918aaf83a6d8399b6fc75b884255c71e6231138a
kernel-rt-modules-4.18.0-193.113.1.rt13.164.el8_2.x86_64.rpm SHA-256: 79261f5c2376213c39885113899f9a444c16164f67bfe4ce16961bc41807c0ee
kernel-rt-modules-extra-4.18.0-193.113.1.rt13.164.el8_2.x86_64.rpm SHA-256: 6897fd19a0bb3e11fde613e7cbb16fa08e3059a7c5fc5f5b1e48a1e55399b796

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

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