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Red Hat Security Advisory 2022-8940-01

Red Hat Security Advisory 2022-8940-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include an out of bounds write vulnerability.

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====================================================================
Red Hat Security Advisory

Synopsis: Important: kernel security and bug fix update
Advisory ID: RHSA-2022:8940-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:8940
Issue date: 2022-12-13
CVE Names: CVE-2022-1158 CVE-2022-2639
====================================================================

Summary:

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.

Relevant releases/architectures:

Red Hat Enterprise Linux BaseOS AUS (v. 8.2) - aarch64, noarch, ppc64le, s390x, x86_64
Red Hat Enterprise Linux BaseOS E4S (v. 8.2) - aarch64, noarch, ppc64le, s390x, x86_64
Red Hat Enterprise Linux BaseOS TUS (v. 8.2) - aarch64, noarch, ppc64le, s390x, x86_64

Description:

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

Security Fix(es):

kernel: KVM: cmpxchg_gpte can write to pfns outside the userspace region
(CVE-2022-1158)
kernel: openvswitch: integer underflow leads to out-of-bounds write in
reserve_sfa_size() (CVE-2022-2639)

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):

s390x: bpftrace Could not read symbols from
/sys/kernel/debug/tracing/available_filter_functions: No such device
(BZ#2134808)

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.

Bugs fixed (https://bugzilla.redhat.com/):

2069793 - CVE-2022-1158 kernel: KVM: cmpxchg_gpte can write to pfns outside the userspace region
2084479 - CVE-2022-2639 kernel: openvswitch: integer underflow leads to out-of-bounds write in reserve_sfa_size()

Package List:

Red Hat Enterprise Linux BaseOS AUS (v. 8.2):

Source:
kernel-4.18.0-193.95.1.el8_2.src.rpm

aarch64:
bpftool-4.18.0-193.95.1.el8_2.aarch64.rpm
bpftool-debuginfo-4.18.0-193.95.1.el8_2.aarch64.rpm
kernel-4.18.0-193.95.1.el8_2.aarch64.rpm
kernel-core-4.18.0-193.95.1.el8_2.aarch64.rpm
kernel-cross-headers-4.18.0-193.95.1.el8_2.aarch64.rpm
kernel-debug-4.18.0-193.95.1.el8_2.aarch64.rpm
kernel-debug-core-4.18.0-193.95.1.el8_2.aarch64.rpm
kernel-debug-debuginfo-4.18.0-193.95.1.el8_2.aarch64.rpm
kernel-debug-devel-4.18.0-193.95.1.el8_2.aarch64.rpm
kernel-debug-modules-4.18.0-193.95.1.el8_2.aarch64.rpm
kernel-debug-modules-extra-4.18.0-193.95.1.el8_2.aarch64.rpm
kernel-debuginfo-4.18.0-193.95.1.el8_2.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-193.95.1.el8_2.aarch64.rpm
kernel-devel-4.18.0-193.95.1.el8_2.aarch64.rpm
kernel-headers-4.18.0-193.95.1.el8_2.aarch64.rpm
kernel-modules-4.18.0-193.95.1.el8_2.aarch64.rpm
kernel-modules-extra-4.18.0-193.95.1.el8_2.aarch64.rpm
kernel-tools-4.18.0-193.95.1.el8_2.aarch64.rpm
kernel-tools-debuginfo-4.18.0-193.95.1.el8_2.aarch64.rpm
kernel-tools-libs-4.18.0-193.95.1.el8_2.aarch64.rpm
perf-4.18.0-193.95.1.el8_2.aarch64.rpm
perf-debuginfo-4.18.0-193.95.1.el8_2.aarch64.rpm
python3-perf-4.18.0-193.95.1.el8_2.aarch64.rpm
python3-perf-debuginfo-4.18.0-193.95.1.el8_2.aarch64.rpm

noarch:
kernel-abi-whitelists-4.18.0-193.95.1.el8_2.noarch.rpm
kernel-doc-4.18.0-193.95.1.el8_2.noarch.rpm

ppc64le:
bpftool-4.18.0-193.95.1.el8_2.ppc64le.rpm
bpftool-debuginfo-4.18.0-193.95.1.el8_2.ppc64le.rpm
kernel-4.18.0-193.95.1.el8_2.ppc64le.rpm
kernel-core-4.18.0-193.95.1.el8_2.ppc64le.rpm
kernel-cross-headers-4.18.0-193.95.1.el8_2.ppc64le.rpm
kernel-debug-4.18.0-193.95.1.el8_2.ppc64le.rpm
kernel-debug-core-4.18.0-193.95.1.el8_2.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-193.95.1.el8_2.ppc64le.rpm
kernel-debug-devel-4.18.0-193.95.1.el8_2.ppc64le.rpm
kernel-debug-modules-4.18.0-193.95.1.el8_2.ppc64le.rpm
kernel-debug-modules-extra-4.18.0-193.95.1.el8_2.ppc64le.rpm
kernel-debuginfo-4.18.0-193.95.1.el8_2.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.18.0-193.95.1.el8_2.ppc64le.rpm
kernel-devel-4.18.0-193.95.1.el8_2.ppc64le.rpm
kernel-headers-4.18.0-193.95.1.el8_2.ppc64le.rpm
kernel-modules-4.18.0-193.95.1.el8_2.ppc64le.rpm
kernel-modules-extra-4.18.0-193.95.1.el8_2.ppc64le.rpm
kernel-tools-4.18.0-193.95.1.el8_2.ppc64le.rpm
kernel-tools-debuginfo-4.18.0-193.95.1.el8_2.ppc64le.rpm
kernel-tools-libs-4.18.0-193.95.1.el8_2.ppc64le.rpm
perf-4.18.0-193.95.1.el8_2.ppc64le.rpm
perf-debuginfo-4.18.0-193.95.1.el8_2.ppc64le.rpm
python3-perf-4.18.0-193.95.1.el8_2.ppc64le.rpm
python3-perf-debuginfo-4.18.0-193.95.1.el8_2.ppc64le.rpm

s390x:
bpftool-4.18.0-193.95.1.el8_2.s390x.rpm
bpftool-debuginfo-4.18.0-193.95.1.el8_2.s390x.rpm
kernel-4.18.0-193.95.1.el8_2.s390x.rpm
kernel-core-4.18.0-193.95.1.el8_2.s390x.rpm
kernel-cross-headers-4.18.0-193.95.1.el8_2.s390x.rpm
kernel-debug-4.18.0-193.95.1.el8_2.s390x.rpm
kernel-debug-core-4.18.0-193.95.1.el8_2.s390x.rpm
kernel-debug-debuginfo-4.18.0-193.95.1.el8_2.s390x.rpm
kernel-debug-devel-4.18.0-193.95.1.el8_2.s390x.rpm
kernel-debug-modules-4.18.0-193.95.1.el8_2.s390x.rpm
kernel-debug-modules-extra-4.18.0-193.95.1.el8_2.s390x.rpm
kernel-debuginfo-4.18.0-193.95.1.el8_2.s390x.rpm
kernel-debuginfo-common-s390x-4.18.0-193.95.1.el8_2.s390x.rpm
kernel-devel-4.18.0-193.95.1.el8_2.s390x.rpm
kernel-headers-4.18.0-193.95.1.el8_2.s390x.rpm
kernel-modules-4.18.0-193.95.1.el8_2.s390x.rpm
kernel-modules-extra-4.18.0-193.95.1.el8_2.s390x.rpm
kernel-tools-4.18.0-193.95.1.el8_2.s390x.rpm
kernel-tools-debuginfo-4.18.0-193.95.1.el8_2.s390x.rpm
kernel-zfcpdump-4.18.0-193.95.1.el8_2.s390x.rpm
kernel-zfcpdump-core-4.18.0-193.95.1.el8_2.s390x.rpm
kernel-zfcpdump-debuginfo-4.18.0-193.95.1.el8_2.s390x.rpm
kernel-zfcpdump-devel-4.18.0-193.95.1.el8_2.s390x.rpm
kernel-zfcpdump-modules-4.18.0-193.95.1.el8_2.s390x.rpm
kernel-zfcpdump-modules-extra-4.18.0-193.95.1.el8_2.s390x.rpm
perf-4.18.0-193.95.1.el8_2.s390x.rpm
perf-debuginfo-4.18.0-193.95.1.el8_2.s390x.rpm
python3-perf-4.18.0-193.95.1.el8_2.s390x.rpm
python3-perf-debuginfo-4.18.0-193.95.1.el8_2.s390x.rpm

x86_64:
bpftool-4.18.0-193.95.1.el8_2.x86_64.rpm
bpftool-debuginfo-4.18.0-193.95.1.el8_2.x86_64.rpm
kernel-4.18.0-193.95.1.el8_2.x86_64.rpm
kernel-core-4.18.0-193.95.1.el8_2.x86_64.rpm
kernel-cross-headers-4.18.0-193.95.1.el8_2.x86_64.rpm
kernel-debug-4.18.0-193.95.1.el8_2.x86_64.rpm
kernel-debug-core-4.18.0-193.95.1.el8_2.x86_64.rpm
kernel-debug-debuginfo-4.18.0-193.95.1.el8_2.x86_64.rpm
kernel-debug-devel-4.18.0-193.95.1.el8_2.x86_64.rpm
kernel-debug-modules-4.18.0-193.95.1.el8_2.x86_64.rpm
kernel-debug-modules-extra-4.18.0-193.95.1.el8_2.x86_64.rpm
kernel-debuginfo-4.18.0-193.95.1.el8_2.x86_64.rpm
kernel-debuginfo-common-x86_64-4.18.0-193.95.1.el8_2.x86_64.rpm
kernel-devel-4.18.0-193.95.1.el8_2.x86_64.rpm
kernel-headers-4.18.0-193.95.1.el8_2.x86_64.rpm
kernel-modules-4.18.0-193.95.1.el8_2.x86_64.rpm
kernel-modules-extra-4.18.0-193.95.1.el8_2.x86_64.rpm
kernel-tools-4.18.0-193.95.1.el8_2.x86_64.rpm
kernel-tools-debuginfo-4.18.0-193.95.1.el8_2.x86_64.rpm
kernel-tools-libs-4.18.0-193.95.1.el8_2.x86_64.rpm
perf-4.18.0-193.95.1.el8_2.x86_64.rpm
perf-debuginfo-4.18.0-193.95.1.el8_2.x86_64.rpm
python3-perf-4.18.0-193.95.1.el8_2.x86_64.rpm
python3-perf-debuginfo-4.18.0-193.95.1.el8_2.x86_64.rpm

Red Hat Enterprise Linux BaseOS E4S (v. 8.2):

Source:
kernel-4.18.0-193.95.1.el8_2.src.rpm

noarch:
kernel-abi-whitelists-4.18.0-193.95.1.el8_2.noarch.rpm
kernel-doc-4.18.0-193.95.1.el8_2.noarch.rpm

Red Hat Enterprise Linux BaseOS TUS (v. 8.2):

Source:
kernel-4.18.0-193.95.1.el8_2.src.rpm

noarch:
kernel-abi-whitelists-4.18.0-193.95.1.el8_2.noarch.rpm
kernel-doc-4.18.0-193.95.1.el8_2.noarch.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/

References:

https://access.redhat.com/security/cve/CVE-2022-1158
https://access.redhat.com/security/cve/CVE-2022-2639
https://access.redhat.com/security/updates/classification/#important

Contact:

The Red Hat security contact is [email protected]. More contact
details at https://access.redhat.com/security/team/contact/

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RHSA-2022:8767: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel is now available for Red Hat Enterprise Linux 8.4 Extended 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.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2022-2639: kernel: openvswitch: integer underflow leads to out-of-bounds write in reserve_sfa_size()

2 years ago

Red Hat Security Data

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Red Hat Security Advisory 2022-8673-01

Red Hat Security Advisory 2022-8673-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.

2 years ago

Packet Storm

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Red Hat Security Advisory 2022-8686-01

Red Hat Security Advisory 2022-8686-01 - 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.

2 years ago

Packet Storm

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Red Hat Security Advisory 2022-8685-01

Red Hat Security Advisory 2022-8685-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include a memory leak vulnerability.

2 years ago

Packet Storm

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RHSA-2022:8685: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel is now available for Red Hat Enterprise Linux 8.4 Extended 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.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2022-1158: kernel: KVM: cmpxchg_gpte can write to pfns outside the userspace region

2 years ago

Red Hat Security Data

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RHSA-2022:8673: Red Hat Security Advisory: kernel-rt security and bug fix update

An update for kernel-rt is now available for Red Hat Enterprise Linux 8.4 Extended 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.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2022-1158: kernel: KVM: cmpxchg_gpte can write to pfns outside the userspace region

2 years ago

Red Hat Security Data

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RHSA-2022:8267: Red Hat Security Advisory: kernel security, bug fix, and enhancement update

An update for kernel is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Moderate. 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.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2020-36516: kernel: off-path attacker may inject data or terminate victim's TCP session * CVE-2021-3640: kernel: use-after-free vulnerability in function sco_sock_sendmsg() * CVE-2022-0168: kernel: smb2_ioctl_query_info NULL pointer dereference * CVE-2022-0617: kernel: NULL pointer dereference in udf_expand_file_adinicbdue() during writeback * CVE-2022-0854: ...

2 years ago

Red Hat Security Data

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RHSA-2022:7444: Red Hat Security Advisory: kernel-rt security and bug fix update

An update for kernel-rt is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. 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.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2020-36516: kernel: off-path attacker may inject data or terminate victim's TCP session * CVE-2020-36558: kernel: race condition in VT_RESIZEX ioctl when vc_cons[i].d is already NULL leading to NULL pointer dereference * CVE-2021-3640: kernel: use-after-free vulnerability in function sco_sock_sendmsg() * CVE-2021-30002: kernel: memory leak for large argume...

2 years ago

Red Hat Security Data

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Ubuntu Security Notice USN-5650-1

Ubuntu Security Notice 5650-1 - It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of- bounds write. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that the virtual terminal driver in the Linux kernel did not properly handle VGA console font changes, leading to an out-of-bounds write. A local attacker could use this to cause a denial of service or possibly execute arbitrary code.

2 years ago

Packet Storm

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CVE-2022-1158: Invalid Bug ID

A flaw was found in KVM. When updating a guest's page table entry, vm_pgoff was improperly used as the offset to get the page's pfn. As vaddr and vm_pgoff are controllable by user-mode processes, this flaw allows unprivileged local users on the host to write outside the userspace region and potentially corrupt the kernel, resulting in a denial of service condition.

2 years ago

CVE

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Ubuntu Security Notice USN-5469-1

Ubuntu Security Notice 5469-1 - It was discovered that the Linux kernel did not properly restrict access to the kernel debugger when booted in secure boot environments. A privileged attacker could use this to bypass UEFI Secure Boot restrictions. Aaron Adams discovered that the netfilter subsystem in the Linux kernel did not properly handle the removal of stateful expressions in some situations, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or execute arbitrary code.

2 years ago

Packet Storm

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