RedHat: RHSA-2022-0820:01 Important: kernel security, bug fix,
Summary
The kernel packages contain the Linux kernel, the core of any Linux
operating system.
The following packages have been upgraded to a later upstream version:
kernel (4.18.0). (BZ#2036933)
Security Fix(es):
* kernel: improper initialization of the "flags" member of the new
pipe_buffer (CVE-2022-0847)
* kernel: fget: check that the fd still exists after getting a ref to it
(CVE-2021-4083)
* kernel: possible privileges escalation due to missing TLB flush
(CVE-2022-0330)
* kernel: cgroups v1 release_agent feature may allow privilege escalation
(CVE-2022-0492)
* kernel: failing usercopy allows for use-after-free exploitation
(CVE-2022-22942)
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):
* [Intel 8.3 Bug] ICX Whitley: PCIe - kernel panic with AER-INJECT
(BZ#2040309)
* [ESXi][RHEL8] A task is stuck waiting for the completion of the
vmci_resouce releasing upon the balloon reset. [None8.2.0.z] (BZ#2052200)
Summary
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.
References
https://access.redhat.com/security/cve/CVE-2021-4083 https://access.redhat.com/security/cve/CVE-2022-0330 https://access.redhat.com/security/cve/CVE-2022-0492 https://access.redhat.com/security/cve/CVE-2022-0847 https://access.redhat.com/security/cve/CVE-2022-22942 https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/security/vulnerabilities/RHSB-2022-002
Package List
Red Hat Enterprise Linux BaseOS EUS (v. 8.2):
Source:
kernel-4.18.0-193.79.1.el8_2.src.rpm
aarch64:
bpftool-4.18.0-193.79.1.el8_2.aarch64.rpm
bpftool-debuginfo-4.18.0-193.79.1.el8_2.aarch64.rpm
kernel-4.18.0-193.79.1.el8_2.aarch64.rpm
kernel-core-4.18.0-193.79.1.el8_2.aarch64.rpm
kernel-cross-headers-4.18.0-193.79.1.el8_2.aarch64.rpm
kernel-debug-4.18.0-193.79.1.el8_2.aarch64.rpm
kernel-debug-core-4.18.0-193.79.1.el8_2.aarch64.rpm
kernel-debug-debuginfo-4.18.0-193.79.1.el8_2.aarch64.rpm
kernel-debug-devel-4.18.0-193.79.1.el8_2.aarch64.rpm
kernel-debug-modules-4.18.0-193.79.1.el8_2.aarch64.rpm
kernel-debug-modules-extra-4.18.0-193.79.1.el8_2.aarch64.rpm
kernel-debuginfo-4.18.0-193.79.1.el8_2.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-193.79.1.el8_2.aarch64.rpm
kernel-devel-4.18.0-193.79.1.el8_2.aarch64.rpm
kernel-headers-4.18.0-193.79.1.el8_2.aarch64.rpm
kernel-modules-4.18.0-193.79.1.el8_2.aarch64.rpm
kernel-modules-extra-4.18.0-193.79.1.el8_2.aarch64.rpm
kernel-tools-4.18.0-193.79.1.el8_2.aarch64.rpm
kernel-tools-debuginfo-4.18.0-193.79.1.el8_2.aarch64.rpm
kernel-tools-libs-4.18.0-193.79.1.el8_2.aarch64.rpm
perf-4.18.0-193.79.1.el8_2.aarch64.rpm
perf-debuginfo-4.18.0-193.79.1.el8_2.aarch64.rpm
python3-perf-4.18.0-193.79.1.el8_2.aarch64.rpm
python3-perf-debuginfo-4.18.0-193.79.1.el8_2.aarch64.rpm
noarch:
kernel-abi-whitelists-4.18.0-193.79.1.el8_2.noarch.rpm
kernel-doc-4.18.0-193.79.1.el8_2.noarch.rpm
ppc64le:
bpftool-4.18.0-193.79.1.el8_2.ppc64le.rpm
bpftool-debuginfo-4.18.0-193.79.1.el8_2.ppc64le.rpm
kernel-4.18.0-193.79.1.el8_2.ppc64le.rpm
kernel-core-4.18.0-193.79.1.el8_2.ppc64le.rpm
kernel-cross-headers-4.18.0-193.79.1.el8_2.ppc64le.rpm
kernel-debug-4.18.0-193.79.1.el8_2.ppc64le.rpm
kernel-debug-core-4.18.0-193.79.1.el8_2.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-193.79.1.el8_2.ppc64le.rpm
kernel-debug-devel-4.18.0-193.79.1.el8_2.ppc64le.rpm
kernel-debug-modules-4.18.0-193.79.1.el8_2.ppc64le.rpm
kernel-debug-modules-extra-4.18.0-193.79.1.el8_2.ppc64le.rpm
kernel-debuginfo-4.18.0-193.79.1.el8_2.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.18.0-193.79.1.el8_2.ppc64le.rpm
kernel-devel-4.18.0-193.79.1.el8_2.ppc64le.rpm
kernel-headers-4.18.0-193.79.1.el8_2.ppc64le.rpm
kernel-modules-4.18.0-193.79.1.el8_2.ppc64le.rpm
kernel-modules-extra-4.18.0-193.79.1.el8_2.ppc64le.rpm
kernel-tools-4.18.0-193.79.1.el8_2.ppc64le.rpm
kernel-tools-debuginfo-4.18.0-193.79.1.el8_2.ppc64le.rpm
kernel-tools-libs-4.18.0-193.79.1.el8_2.ppc64le.rpm
perf-4.18.0-193.79.1.el8_2.ppc64le.rpm
perf-debuginfo-4.18.0-193.79.1.el8_2.ppc64le.rpm
python3-perf-4.18.0-193.79.1.el8_2.ppc64le.rpm
python3-perf-debuginfo-4.18.0-193.79.1.el8_2.ppc64le.rpm
s390x:
bpftool-4.18.0-193.79.1.el8_2.s390x.rpm
bpftool-debuginfo-4.18.0-193.79.1.el8_2.s390x.rpm
kernel-4.18.0-193.79.1.el8_2.s390x.rpm
kernel-core-4.18.0-193.79.1.el8_2.s390x.rpm
kernel-cross-headers-4.18.0-193.79.1.el8_2.s390x.rpm
kernel-debug-4.18.0-193.79.1.el8_2.s390x.rpm
kernel-debug-core-4.18.0-193.79.1.el8_2.s390x.rpm
kernel-debug-debuginfo-4.18.0-193.79.1.el8_2.s390x.rpm
kernel-debug-devel-4.18.0-193.79.1.el8_2.s390x.rpm
kernel-debug-modules-4.18.0-193.79.1.el8_2.s390x.rpm
kernel-debug-modules-extra-4.18.0-193.79.1.el8_2.s390x.rpm
kernel-debuginfo-4.18.0-193.79.1.el8_2.s390x.rpm
kernel-debuginfo-common-s390x-4.18.0-193.79.1.el8_2.s390x.rpm
kernel-devel-4.18.0-193.79.1.el8_2.s390x.rpm
kernel-headers-4.18.0-193.79.1.el8_2.s390x.rpm
kernel-modules-4.18.0-193.79.1.el8_2.s390x.rpm
kernel-modules-extra-4.18.0-193.79.1.el8_2.s390x.rpm
kernel-tools-4.18.0-193.79.1.el8_2.s390x.rpm
kernel-tools-debuginfo-4.18.0-193.79.1.el8_2.s390x.rpm
kernel-zfcpdump-4.18.0-193.79.1.el8_2.s390x.rpm
kernel-zfcpdump-core-4.18.0-193.79.1.el8_2.s390x.rpm
kernel-zfcpdump-debuginfo-4.18.0-193.79.1.el8_2.s390x.rpm
kernel-zfcpdump-devel-4.18.0-193.79.1.el8_2.s390x.rpm
kernel-zfcpdump-modules-4.18.0-193.79.1.el8_2.s390x.rpm
kernel-zfcpdump-modules-extra-4.18.0-193.79.1.el8_2.s390x.rpm
perf-4.18.0-193.79.1.el8_2.s390x.rpm
perf-debuginfo-4.18.0-193.79.1.el8_2.s390x.rpm
python3-perf-4.18.0-193.79.1.el8_2.s390x.rpm
python3-perf-debuginfo-4.18.0-193.79.1.el8_2.s390x.rpm
x86_64:
bpftool-4.18.0-193.79.1.el8_2.x86_64.rpm
bpftool-debuginfo-4.18.0-193.79.1.el8_2.x86_64.rpm
kernel-4.18.0-193.79.1.el8_2.x86_64.rpm
kernel-core-4.18.0-193.79.1.el8_2.x86_64.rpm
kernel-cross-headers-4.18.0-193.79.1.el8_2.x86_64.rpm
kernel-debug-4.18.0-193.79.1.el8_2.x86_64.rpm
kernel-debug-core-4.18.0-193.79.1.el8_2.x86_64.rpm
kernel-debug-debuginfo-4.18.0-193.79.1.el8_2.x86_64.rpm
kernel-debug-devel-4.18.0-193.79.1.el8_2.x86_64.rpm
kernel-debug-modules-4.18.0-193.79.1.el8_2.x86_64.rpm
kernel-debug-modules-extra-4.18.0-193.79.1.el8_2.x86_64.rpm
kernel-debuginfo-4.18.0-193.79.1.el8_2.x86_64.rpm
kernel-debuginfo-common-x86_64-4.18.0-193.79.1.el8_2.x86_64.rpm
kernel-devel-4.18.0-193.79.1.el8_2.x86_64.rpm
kernel-headers-4.18.0-193.79.1.el8_2.x86_64.rpm
kernel-modules-4.18.0-193.79.1.el8_2.x86_64.rpm
kernel-modules-extra-4.18.0-193.79.1.el8_2.x86_64.rpm
kernel-tools-4.18.0-193.79.1.el8_2.x86_64.rpm
kernel-tools-debuginfo-4.18.0-193.79.1.el8_2.x86_64.rpm
kernel-tools-libs-4.18.0-193.79.1.el8_2.x86_64.rpm
perf-4.18.0-193.79.1.el8_2.x86_64.rpm
perf-debuginfo-4.18.0-193.79.1.el8_2.x86_64.rpm
python3-perf-4.18.0-193.79.1.el8_2.x86_64.rpm
python3-perf-debuginfo-4.18.0-193.79.1.el8_2.x86_64.rpm
Red Hat CodeReady Linux Builder EUS (v. 8.2):
aarch64:
bpftool-debuginfo-4.18.0-193.79.1.el8_2.aarch64.rpm
kernel-debug-debuginfo-4.18.0-193.79.1.el8_2.aarch64.rpm
kernel-debuginfo-4.18.0-193.79.1.el8_2.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-193.79.1.el8_2.aarch64.rpm
kernel-tools-debuginfo-4.18.0-193.79.1.el8_2.aarch64.rpm
kernel-tools-libs-devel-4.18.0-193.79.1.el8_2.aarch64.rpm
perf-debuginfo-4.18.0-193.79.1.el8_2.aarch64.rpm
python3-perf-debuginfo-4.18.0-193.79.1.el8_2.aarch64.rpm
ppc64le:
bpftool-debuginfo-4.18.0-193.79.1.el8_2.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-193.79.1.el8_2.ppc64le.rpm
kernel-debuginfo-4.18.0-193.79.1.el8_2.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.18.0-193.79.1.el8_2.ppc64le.rpm
kernel-tools-debuginfo-4.18.0-193.79.1.el8_2.ppc64le.rpm
kernel-tools-libs-devel-4.18.0-193.79.1.el8_2.ppc64le.rpm
perf-debuginfo-4.18.0-193.79.1.el8_2.ppc64le.rpm
python3-perf-debuginfo-4.18.0-193.79.1.el8_2.ppc64le.rpm
x86_64:
bpftool-debuginfo-4.18.0-193.79.1.el8_2.x86_64.rpm
kernel-debug-debuginfo-4.18.0-193.79.1.el8_2.x86_64.rpm
kernel-debuginfo-4.18.0-193.79.1.el8_2.x86_64.rpm
kernel-debuginfo-common-x86_64-4.18.0-193.79.1.el8_2.x86_64.rpm
kernel-tools-debuginfo-4.18.0-193.79.1.el8_2.x86_64.rpm
kernel-tools-libs-devel-4.18.0-193.79.1.el8_2.x86_64.rpm
perf-debuginfo-4.18.0-193.79.1.el8_2.x86_64.rpm
python3-perf-debuginfo-4.18.0-193.79.1.el8_2.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
Topic
An update for kernel is now available for Red Hat Enterprise Linux 8.2Extended Update Support.Red Hat Product Security has rated this update as having a security impactof Critical. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.
Topic
Relevant Releases Architectures
Red Hat CodeReady Linux Builder EUS (v. 8.2) - aarch64, ppc64le, x86_64
Red Hat Enterprise Linux BaseOS EUS (v. 8.2) - aarch64, noarch, ppc64le, s390x, x86_64
Bugs Fixed
2029923 - CVE-2021-4083 kernel: fget: check that the fd still exists after getting a ref to it
2042404 - CVE-2022-0330 kernel: possible privileges escalation due to missing TLB flush
2044809 - CVE-2022-22942 kernel: failing usercopy allows for use-after-free exploitation
2051505 - CVE-2022-0492 kernel: cgroups v1 release_agent feature may allow privilege escalation
2060795 - CVE-2022-0847 kernel: improper initialization of the "flags" member of the new pipe_buffer