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Red Hat Enterprise Linux 8 RHSA-2022:7110-01 Important: Kernel Exploits

red hat
Calendar Grey October 25, 2022
Dist Redhat Esm H88
The Debian Security Advisory DSA-2022:12345 focuses on critical upgrades targeting various vulnerabilities in library functions.
An update for kernel is now available for Red Hat Enterprise Linux 8

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 packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* A use-after-free in cls_route filter implementation may lead to privilege escalation (CVE-2022-2588)
* Information leak in scsi_ioctl() (CVE-2022-0494)
* A kernel-info-leak issue in pfkey_register (CVE-2022-1353)
* RetBleed Arbitrary Speculative Code Execution with Return Instructions (CVE-2022-23816, CVE-2022-29900)
* Branch Type Confusion (non-retbleed) (CVE-2022-23825)
* RetBleed Arbitrary Speculative Code Execution with Return Instructions (CVE-2022-29901)
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):
* Add s390_iommu_aperture kernel parameter (BZ#2081324)
* Blackscreen and hangup after resume from hibernate or S3 with DFGX WX3200 (BZ#2091065)
* Update NVME subsystem with bug fixes and minor changes (BZ#2106017)
* Fix parsing of nw_proto for IPv6 fragments (BZ#2106703)
* "vmcore failed, _exitcode:139" error observed while capturing vmcore during fadump after memory remove. incomplete vmcore is captured. (BZ#2107488)
* 'disable_policy' is ignored for addresses configured on a down interface (BZ#2109971)
* Backport request for new cpufreq.default_governor kernel command line parameter (BZ#2109996)
* Panics in mpt3sas mpt3sas_halt_firmware() if mpt3sas_fwfault_debug=1 enabled when poweroff issued to server (BZ#2111140)
* IOMMU/DMA update for 8.7 (BZ#2111692)
* Update Broadcom Emulex lpfc driver for RHEL8.7 with bug fixes (14.0.0.13) (BZ#2112103)
* Incorrect Socket(s) & "Core(s) per socket" reported by lscpu command. (BZ#2112820)
* Panic in ch_release() due to NULL ch->device pointer, backport upstream fix (BZ#2115965)
* pyverbs-tests fail over qede IW HCAs on "test_query_rc_qp" (tests.test_qp.QPTest) (BZ#2119122)
* qedi shutdown handler hangs upon reboot (BZ#2119847)
* cache link_info for ethtool (BZ#2120197)
* Important iavf bug fixes (BZ#2120225)
* Hibernate crash with Aquantia 2.5/5 Gb LAN card (BZ#2124966)
* While using PTimekeeper the qede driver produces excessive log messages (BZ#2125477)
* general protection fault handling rpc_xprt.timer (BZ#2126184)
* Not enough device MSI-X vectors (BZ#2126482)
* Atlantic driver panic on wakeup after hybernate (BZ#2127845)
* Memory leak in vxlan_xmit_one (BZ#2131255)
* Missing hybernate/resume fixes (BZ#2131936)
Enhancement(s):
* Update smartpqi driver to latest upstream Second Set of Patches (BZ#2112354)
* qed/qede/qedr - driver updates to latest upstream (BZ#2120611)
* Update qedi driver to latest upstream (BZ#2120612)
* Update qedf driver to latest upstream (BZ#2120613)
* Include the support for new NVIDIA Mobile GFX GA103 on ADL Gen Laptops (BZ#2127122)
* Need to enable hpilo to support new HPE RL300 Gen11 for ARM (aarch64) (BZ#2129923)

Topics%20covered

Topics Covered

security advisory Red Hat bug fix exploit important kernel system update

References

https://access.redhat.com/security/cve/CVE-2022-0494 https://access.redhat.com/security/cve/CVE-2022-1353 https://access.redhat.com/security/cve/CVE-2022-2588 https://access.redhat.com/security/cve/CVE-2022-23816 https://access.redhat.com/security/cve/CVE-2022-23825 https://access.redhat.com/security/cve/CVE-2022-29900 https://access.redhat.com/security/cve/CVE-2022-29901 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux BaseOS (v. 8):
Source: kernel-4.18.0-372.32.1.el8_6.src.rpm
aarch64: bpftool-4.18.0-372.32.1.el8_6.aarch64.rpm bpftool-debuginfo-4.18.0-372.32.1.el8_6.aarch64.rpm kernel-4.18.0-372.32.1.el8_6.aarch64.rpm kernel-core-4.18.0-372.32.1.el8_6.aarch64.rpm kernel-cross-headers-4.18.0-372.32.1.el8_6.aarch64.rpm kernel-debug-4.18.0-372.32.1.el8_6.aarch64.rpm kernel-debug-core-4.18.0-372.32.1.el8_6.aarch64.rpm kernel-debug-debuginfo-4.18.0-372.32.1.el8_6.aarch64.rpm kernel-debug-devel-4.18.0-372.32.1.el8_6.aarch64.rpm kernel-debug-modules-4.18.0-372.32.1.el8_6.aarch64.rpm kernel-debug-modules-extra-4.18.0-372.32.1.el8_6.aarch64.rpm kernel-debuginfo-4.18.0-372.32.1.el8_6.aarch64.rpm kernel-debuginfo-common-aarch64-4.18.0-372.32.1.el8_6.aarch64.rpm kernel-devel-4.18.0-372.32.1.el8_6.aarch64.rpm kernel-headers-4.18.0-372.32.1.el8_6.aarch64.rpm kernel-modules-4.18.0-372.32.1.el8_6.aarch64.rpm kernel-modules-extra-4.18.0-372.32.1.el8_6.aarch64.rpm kernel-tools-4.18.0-372.32.1.el8_6.aarch64.rpm kernel-tools-debuginfo-4.18.0-372.32.1.el8_6.aarch64.rpm kernel-tools-libs-4.18.0-372.32.1.el8_6.aarch64.rpm perf-4.18.0-372.32.1.el8_6.aarch64.rpm perf-debuginfo-4.18.0-372.32.1.el8_6.aarch64.rpm python3-perf-4.18.0-372.32.1.el8_6.aarch64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2022:7110-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:7110
Issue date: 2022-10-25

Topic

An update for kernel is now available for Red Hat Enterprise Linux 8.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 Red Hat bug fix exploit important kernel system update

Relevant Releases Architectures

Red Hat CodeReady Linux Builder (v. 8) - aarch64, ppc64le, x86_64

Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64

Bugs Fixed

2039448 - CVE-2022-0494 kernel: information leak in scsi_ioctl()

2066819 - CVE-2022-1353 Kernel: A kernel-info-leak issue in pfkey_register

2090226 - CVE-2022-23816 CVE-2022-29900 hw: cpu: AMD: RetBleed Arbitrary Speculative Code Execution with Return Instructions

2103148 - CVE-2022-29901 hw: cpu: Intel: RetBleed Arbitrary Speculative Code Execution with Return Instructions

2103153 - CVE-2022-23825 hw: cpu: AMD: Branch Type Confusion (non-retbleed)

2114849 - CVE-2022-2588 kernel: a use-after-free in cls_route filter implementation may lead to privilege escalation

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