drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mehrere Probleme in Linux
Name: |
Mehrere Probleme in Linux |
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ID: |
RHSA-2021:3057-01 |
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Distribution: |
Red Hat |
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Plattformen: |
Red Hat Enterprise Linux |
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Datum: |
Di, 10. August 2021, 21:55 |
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Referenzen: |
https://access.redhat.com/security/cve/CVE-2021-3609
https://access.redhat.com/security/cve/CVE-2021-22555
https://access.redhat.com/security/cve/CVE-2021-22543 |
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Applikationen: |
Linux |
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Originalnachricht |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256
===================================================================== Red Hat Security Advisory
Synopsis: Important: kernel security, bug fix, and enhancement update Advisory ID: RHSA-2021:3057-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:3057 Issue date: 2021-08-10 CVE Names: CVE-2021-3609 CVE-2021-22543 CVE-2021-22555 =====================================================================
1. Summary:
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 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.
2. 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
3. Description:
The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* kernel: race condition in net/can/bcm.c leads to local privilege escalation (CVE-2021-3609)
* kernel: Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks (CVE-2021-22543)
* kernel: out-of-bounds write in xt_compat_target_from_user() in net/netfilter/x_tables.c (CVE-2021-22555)
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):
* Urgent: Missing dptf_power.ko module in RHEL8 (BZ#1968381)
* [mlx5] kdump over NFS fails: mlx5 driver gives error "Stop room 95 is bigger than the SQ size 64" (BZ#1969909)
* BUG: unable to handle kernel NULL pointer dereference at 0000000000000000 in bluetooth hci_error_reset on intel-tigerlake-h01 (BZ#1972564)
* Update CIFS to kernel 5.10 (BZ#1973637)
* Backport "tick/nohz: Conditionally restart tick on idle exit" to RHEL 8.5 (BZ#1978710)
* Significant performance drop starting on kernel-4.18.0-277 visible on mmap benchmark (BZ#1980314)
* Inaccessible NFS server overloads clients (native_queued_spin_lock_slowpath connotation?) (BZ#1980613)
* [RHEL8.4 BUG],RialtoMLK, I915 graphic driver failed to boot with one new 120HZ panel (BZ#1981250)
* act_ct: subject to DNAT tuple collision (BZ#1982494)
Enhancement(s):
* [Lenovo 8.5 FEAT] drivers/nvme - Update to the latest upstream (BZ#1965415)
4. 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.
5. Bugs fixed (https://bugzilla.redhat.com/):
1965461 - CVE-2021-22543 kernel: Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks 1971651 - CVE-2021-3609 kernel: race condition in net/can/bcm.c leads to local privilege escalation 1980101 - CVE-2021-22555 kernel: out-of-bounds write in xt_compat_target_from_user() in net/netfilter/x_tables.c
6. Package List:
Red Hat Enterprise Linux BaseOS (v. 8):
Source: kernel-4.18.0-305.12.1.el8_4.src.rpm
aarch64: bpftool-4.18.0-305.12.1.el8_4.aarch64.rpm bpftool-debuginfo-4.18.0-305.12.1.el8_4.aarch64.rpm kernel-4.18.0-305.12.1.el8_4.aarch64.rpm kernel-core-4.18.0-305.12.1.el8_4.aarch64.rpm kernel-cross-headers-4.18.0-305.12.1.el8_4.aarch64.rpm kernel-debug-4.18.0-305.12.1.el8_4.aarch64.rpm kernel-debug-core-4.18.0-305.12.1.el8_4.aarch64.rpm kernel-debug-debuginfo-4.18.0-305.12.1.el8_4.aarch64.rpm kernel-debug-devel-4.18.0-305.12.1.el8_4.aarch64.rpm kernel-debug-modules-4.18.0-305.12.1.el8_4.aarch64.rpm kernel-debug-modules-extra-4.18.0-305.12.1.el8_4.aarch64.rpm kernel-debuginfo-4.18.0-305.12.1.el8_4.aarch64.rpm kernel-debuginfo-common-aarch64-4.18.0-305.12.1.el8_4.aarch64.rpm kernel-devel-4.18.0-305.12.1.el8_4.aarch64.rpm kernel-headers-4.18.0-305.12.1.el8_4.aarch64.rpm kernel-modules-4.18.0-305.12.1.el8_4.aarch64.rpm kernel-modules-extra-4.18.0-305.12.1.el8_4.aarch64.rpm kernel-tools-4.18.0-305.12.1.el8_4.aarch64.rpm kernel-tools-debuginfo-4.18.0-305.12.1.el8_4.aarch64.rpm kernel-tools-libs-4.18.0-305.12.1.el8_4.aarch64.rpm perf-4.18.0-305.12.1.el8_4.aarch64.rpm perf-debuginfo-4.18.0-305.12.1.el8_4.aarch64.rpm python3-perf-4.18.0-305.12.1.el8_4.aarch64.rpm python3-perf-debuginfo-4.18.0-305.12.1.el8_4.aarch64.rpm
noarch: kernel-abi-stablelists-4.18.0-305.12.1.el8_4.noarch.rpm kernel-doc-4.18.0-305.12.1.el8_4.noarch.rpm
ppc64le: bpftool-4.18.0-305.12.1.el8_4.ppc64le.rpm bpftool-debuginfo-4.18.0-305.12.1.el8_4.ppc64le.rpm kernel-4.18.0-305.12.1.el8_4.ppc64le.rpm kernel-core-4.18.0-305.12.1.el8_4.ppc64le.rpm kernel-cross-headers-4.18.0-305.12.1.el8_4.ppc64le.rpm kernel-debug-4.18.0-305.12.1.el8_4.ppc64le.rpm kernel-debug-core-4.18.0-305.12.1.el8_4.ppc64le.rpm kernel-debug-debuginfo-4.18.0-305.12.1.el8_4.ppc64le.rpm kernel-debug-devel-4.18.0-305.12.1.el8_4.ppc64le.rpm kernel-debug-modules-4.18.0-305.12.1.el8_4.ppc64le.rpm kernel-debug-modules-extra-4.18.0-305.12.1.el8_4.ppc64le.rpm kernel-debuginfo-4.18.0-305.12.1.el8_4.ppc64le.rpm kernel-debuginfo-common-ppc64le-4.18.0-305.12.1.el8_4.ppc64le.rpm kernel-devel-4.18.0-305.12.1.el8_4.ppc64le.rpm kernel-headers-4.18.0-305.12.1.el8_4.ppc64le.rpm kernel-modules-4.18.0-305.12.1.el8_4.ppc64le.rpm kernel-modules-extra-4.18.0-305.12.1.el8_4.ppc64le.rpm kernel-tools-4.18.0-305.12.1.el8_4.ppc64le.rpm kernel-tools-debuginfo-4.18.0-305.12.1.el8_4.ppc64le.rpm kernel-tools-libs-4.18.0-305.12.1.el8_4.ppc64le.rpm perf-4.18.0-305.12.1.el8_4.ppc64le.rpm perf-debuginfo-4.18.0-305.12.1.el8_4.ppc64le.rpm python3-perf-4.18.0-305.12.1.el8_4.ppc64le.rpm python3-perf-debuginfo-4.18.0-305.12.1.el8_4.ppc64le.rpm
s390x: bpftool-4.18.0-305.12.1.el8_4.s390x.rpm bpftool-debuginfo-4.18.0-305.12.1.el8_4.s390x.rpm kernel-4.18.0-305.12.1.el8_4.s390x.rpm kernel-core-4.18.0-305.12.1.el8_4.s390x.rpm kernel-cross-headers-4.18.0-305.12.1.el8_4.s390x.rpm kernel-debug-4.18.0-305.12.1.el8_4.s390x.rpm kernel-debug-core-4.18.0-305.12.1.el8_4.s390x.rpm kernel-debug-debuginfo-4.18.0-305.12.1.el8_4.s390x.rpm kernel-debug-devel-4.18.0-305.12.1.el8_4.s390x.rpm kernel-debug-modules-4.18.0-305.12.1.el8_4.s390x.rpm kernel-debug-modules-extra-4.18.0-305.12.1.el8_4.s390x.rpm kernel-debuginfo-4.18.0-305.12.1.el8_4.s390x.rpm kernel-debuginfo-common-s390x-4.18.0-305.12.1.el8_4.s390x.rpm kernel-devel-4.18.0-305.12.1.el8_4.s390x.rpm kernel-headers-4.18.0-305.12.1.el8_4.s390x.rpm kernel-modules-4.18.0-305.12.1.el8_4.s390x.rpm kernel-modules-extra-4.18.0-305.12.1.el8_4.s390x.rpm kernel-tools-4.18.0-305.12.1.el8_4.s390x.rpm kernel-tools-debuginfo-4.18.0-305.12.1.el8_4.s390x.rpm kernel-zfcpdump-4.18.0-305.12.1.el8_4.s390x.rpm kernel-zfcpdump-core-4.18.0-305.12.1.el8_4.s390x.rpm kernel-zfcpdump-debuginfo-4.18.0-305.12.1.el8_4.s390x.rpm kernel-zfcpdump-devel-4.18.0-305.12.1.el8_4.s390x.rpm kernel-zfcpdump-modules-4.18.0-305.12.1.el8_4.s390x.rpm kernel-zfcpdump-modules-extra-4.18.0-305.12.1.el8_4.s390x.rpm perf-4.18.0-305.12.1.el8_4.s390x.rpm perf-debuginfo-4.18.0-305.12.1.el8_4.s390x.rpm python3-perf-4.18.0-305.12.1.el8_4.s390x.rpm python3-perf-debuginfo-4.18.0-305.12.1.el8_4.s390x.rpm
x86_64: bpftool-4.18.0-305.12.1.el8_4.x86_64.rpm bpftool-debuginfo-4.18.0-305.12.1.el8_4.x86_64.rpm kernel-4.18.0-305.12.1.el8_4.x86_64.rpm kernel-core-4.18.0-305.12.1.el8_4.x86_64.rpm kernel-cross-headers-4.18.0-305.12.1.el8_4.x86_64.rpm kernel-debug-4.18.0-305.12.1.el8_4.x86_64.rpm kernel-debug-core-4.18.0-305.12.1.el8_4.x86_64.rpm kernel-debug-debuginfo-4.18.0-305.12.1.el8_4.x86_64.rpm kernel-debug-devel-4.18.0-305.12.1.el8_4.x86_64.rpm kernel-debug-modules-4.18.0-305.12.1.el8_4.x86_64.rpm kernel-debug-modules-extra-4.18.0-305.12.1.el8_4.x86_64.rpm kernel-debuginfo-4.18.0-305.12.1.el8_4.x86_64.rpm kernel-debuginfo-common-x86_64-4.18.0-305.12.1.el8_4.x86_64.rpm kernel-devel-4.18.0-305.12.1.el8_4.x86_64.rpm kernel-headers-4.18.0-305.12.1.el8_4.x86_64.rpm kernel-modules-4.18.0-305.12.1.el8_4.x86_64.rpm kernel-modules-extra-4.18.0-305.12.1.el8_4.x86_64.rpm kernel-tools-4.18.0-305.12.1.el8_4.x86_64.rpm kernel-tools-debuginfo-4.18.0-305.12.1.el8_4.x86_64.rpm kernel-tools-libs-4.18.0-305.12.1.el8_4.x86_64.rpm perf-4.18.0-305.12.1.el8_4.x86_64.rpm perf-debuginfo-4.18.0-305.12.1.el8_4.x86_64.rpm python3-perf-4.18.0-305.12.1.el8_4.x86_64.rpm python3-perf-debuginfo-4.18.0-305.12.1.el8_4.x86_64.rpm
Red Hat CodeReady Linux Builder (v. 8):
aarch64: bpftool-debuginfo-4.18.0-305.12.1.el8_4.aarch64.rpm kernel-debug-debuginfo-4.18.0-305.12.1.el8_4.aarch64.rpm kernel-debuginfo-4.18.0-305.12.1.el8_4.aarch64.rpm kernel-debuginfo-common-aarch64-4.18.0-305.12.1.el8_4.aarch64.rpm kernel-tools-debuginfo-4.18.0-305.12.1.el8_4.aarch64.rpm kernel-tools-libs-devel-4.18.0-305.12.1.el8_4.aarch64.rpm perf-debuginfo-4.18.0-305.12.1.el8_4.aarch64.rpm python3-perf-debuginfo-4.18.0-305.12.1.el8_4.aarch64.rpm
ppc64le: bpftool-debuginfo-4.18.0-305.12.1.el8_4.ppc64le.rpm kernel-debug-debuginfo-4.18.0-305.12.1.el8_4.ppc64le.rpm kernel-debuginfo-4.18.0-305.12.1.el8_4.ppc64le.rpm kernel-debuginfo-common-ppc64le-4.18.0-305.12.1.el8_4.ppc64le.rpm kernel-tools-debuginfo-4.18.0-305.12.1.el8_4.ppc64le.rpm kernel-tools-libs-devel-4.18.0-305.12.1.el8_4.ppc64le.rpm perf-debuginfo-4.18.0-305.12.1.el8_4.ppc64le.rpm python3-perf-debuginfo-4.18.0-305.12.1.el8_4.ppc64le.rpm
x86_64: bpftool-debuginfo-4.18.0-305.12.1.el8_4.x86_64.rpm kernel-debug-debuginfo-4.18.0-305.12.1.el8_4.x86_64.rpm kernel-debuginfo-4.18.0-305.12.1.el8_4.x86_64.rpm kernel-debuginfo-common-x86_64-4.18.0-305.12.1.el8_4.x86_64.rpm kernel-tools-debuginfo-4.18.0-305.12.1.el8_4.x86_64.rpm kernel-tools-libs-devel-4.18.0-305.12.1.el8_4.x86_64.rpm perf-debuginfo-4.18.0-305.12.1.el8_4.x86_64.rpm python3-perf-debuginfo-4.18.0-305.12.1.el8_4.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/
7. References:
https://access.redhat.com/security/cve/CVE-2021-3609 https://access.redhat.com/security/cve/CVE-2021-22543 https://access.redhat.com/security/cve/CVE-2021-22555 https://access.redhat.com/security/updates/classification/#important
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/
Copyright 2021 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1
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