drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Pufferüberlauf in Linux
Name: |
Pufferüberlauf in Linux |
|
ID: |
RHSA-2021:0003-01 |
|
Distribution: |
Red Hat |
|
Plattformen: |
Red Hat Enterprise Linux |
|
Datum: |
Mo, 4. Januar 2021, 13:17 |
|
Referenzen: |
https://access.redhat.com/security/cve/CVE-2020-25211 |
|
Applikationen: |
Linux |
|
Originalnachricht |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256
===================================================================== Red Hat Security Advisory
Synopsis: Important: kernel security and bug fix update Advisory ID: RHSA-2021:0003-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:0003 Issue date: 2021-01-04 CVE Names: CVE-2020-25211 =====================================================================
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: Local buffer overflow in ctnetlink_parse_tuple_filter in net/netfilter/nf_conntrack_netlink.c (CVE-2020-25211)
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):
* avoid flush_backlog IPI for isolated CPUs by configuring RPS cpumask (BZ#1883314)
* rngd consumes 100% cpu on rhel-8.3 system in fips mode (BZ#1886192)
* RHEL8.1 - Random memory corruption may occur due to incorrect tlbflush (BZ#1899208)
* fips mode boot is broken after adding extrng (BZ#1899584)
* pmtu of 1280 for vxlan as bridge port won't work (BZ#1902082)
* rpc task loop with kworker spinning at 100% CPU for 10 minutes when umount an NFS 4.x share with sec=krb5 triggered by unmount of the NFS share (BZ#1907667)
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/):
1877571 - CVE-2020-25211 kernel: Local buffer overflow in ctnetlink_parse_tuple_filter in net/netfilter/nf_conntrack_netlink.c
6. Package List:
Red Hat Enterprise Linux BaseOS (v. 8):
Source: kernel-4.18.0-240.10.1.el8_3.src.rpm
aarch64: bpftool-4.18.0-240.10.1.el8_3.aarch64.rpm bpftool-debuginfo-4.18.0-240.10.1.el8_3.aarch64.rpm kernel-4.18.0-240.10.1.el8_3.aarch64.rpm kernel-core-4.18.0-240.10.1.el8_3.aarch64.rpm kernel-cross-headers-4.18.0-240.10.1.el8_3.aarch64.rpm kernel-debug-4.18.0-240.10.1.el8_3.aarch64.rpm kernel-debug-core-4.18.0-240.10.1.el8_3.aarch64.rpm kernel-debug-debuginfo-4.18.0-240.10.1.el8_3.aarch64.rpm kernel-debug-devel-4.18.0-240.10.1.el8_3.aarch64.rpm kernel-debug-modules-4.18.0-240.10.1.el8_3.aarch64.rpm kernel-debug-modules-extra-4.18.0-240.10.1.el8_3.aarch64.rpm kernel-debuginfo-4.18.0-240.10.1.el8_3.aarch64.rpm kernel-debuginfo-common-aarch64-4.18.0-240.10.1.el8_3.aarch64.rpm kernel-devel-4.18.0-240.10.1.el8_3.aarch64.rpm kernel-headers-4.18.0-240.10.1.el8_3.aarch64.rpm kernel-modules-4.18.0-240.10.1.el8_3.aarch64.rpm kernel-modules-extra-4.18.0-240.10.1.el8_3.aarch64.rpm kernel-tools-4.18.0-240.10.1.el8_3.aarch64.rpm kernel-tools-debuginfo-4.18.0-240.10.1.el8_3.aarch64.rpm kernel-tools-libs-4.18.0-240.10.1.el8_3.aarch64.rpm perf-4.18.0-240.10.1.el8_3.aarch64.rpm perf-debuginfo-4.18.0-240.10.1.el8_3.aarch64.rpm python3-perf-4.18.0-240.10.1.el8_3.aarch64.rpm python3-perf-debuginfo-4.18.0-240.10.1.el8_3.aarch64.rpm
noarch: kernel-abi-whitelists-4.18.0-240.10.1.el8_3.noarch.rpm kernel-doc-4.18.0-240.10.1.el8_3.noarch.rpm
ppc64le: bpftool-4.18.0-240.10.1.el8_3.ppc64le.rpm bpftool-debuginfo-4.18.0-240.10.1.el8_3.ppc64le.rpm kernel-4.18.0-240.10.1.el8_3.ppc64le.rpm kernel-core-4.18.0-240.10.1.el8_3.ppc64le.rpm kernel-cross-headers-4.18.0-240.10.1.el8_3.ppc64le.rpm kernel-debug-4.18.0-240.10.1.el8_3.ppc64le.rpm kernel-debug-core-4.18.0-240.10.1.el8_3.ppc64le.rpm kernel-debug-debuginfo-4.18.0-240.10.1.el8_3.ppc64le.rpm kernel-debug-devel-4.18.0-240.10.1.el8_3.ppc64le.rpm kernel-debug-modules-4.18.0-240.10.1.el8_3.ppc64le.rpm kernel-debug-modules-extra-4.18.0-240.10.1.el8_3.ppc64le.rpm kernel-debuginfo-4.18.0-240.10.1.el8_3.ppc64le.rpm kernel-debuginfo-common-ppc64le-4.18.0-240.10.1.el8_3.ppc64le.rpm kernel-devel-4.18.0-240.10.1.el8_3.ppc64le.rpm kernel-headers-4.18.0-240.10.1.el8_3.ppc64le.rpm kernel-modules-4.18.0-240.10.1.el8_3.ppc64le.rpm kernel-modules-extra-4.18.0-240.10.1.el8_3.ppc64le.rpm kernel-tools-4.18.0-240.10.1.el8_3.ppc64le.rpm kernel-tools-debuginfo-4.18.0-240.10.1.el8_3.ppc64le.rpm kernel-tools-libs-4.18.0-240.10.1.el8_3.ppc64le.rpm perf-4.18.0-240.10.1.el8_3.ppc64le.rpm perf-debuginfo-4.18.0-240.10.1.el8_3.ppc64le.rpm python3-perf-4.18.0-240.10.1.el8_3.ppc64le.rpm python3-perf-debuginfo-4.18.0-240.10.1.el8_3.ppc64le.rpm
s390x: bpftool-4.18.0-240.10.1.el8_3.s390x.rpm bpftool-debuginfo-4.18.0-240.10.1.el8_3.s390x.rpm kernel-4.18.0-240.10.1.el8_3.s390x.rpm kernel-core-4.18.0-240.10.1.el8_3.s390x.rpm kernel-cross-headers-4.18.0-240.10.1.el8_3.s390x.rpm kernel-debug-4.18.0-240.10.1.el8_3.s390x.rpm kernel-debug-core-4.18.0-240.10.1.el8_3.s390x.rpm kernel-debug-debuginfo-4.18.0-240.10.1.el8_3.s390x.rpm kernel-debug-devel-4.18.0-240.10.1.el8_3.s390x.rpm kernel-debug-modules-4.18.0-240.10.1.el8_3.s390x.rpm kernel-debug-modules-extra-4.18.0-240.10.1.el8_3.s390x.rpm kernel-debuginfo-4.18.0-240.10.1.el8_3.s390x.rpm kernel-debuginfo-common-s390x-4.18.0-240.10.1.el8_3.s390x.rpm kernel-devel-4.18.0-240.10.1.el8_3.s390x.rpm kernel-headers-4.18.0-240.10.1.el8_3.s390x.rpm kernel-modules-4.18.0-240.10.1.el8_3.s390x.rpm kernel-modules-extra-4.18.0-240.10.1.el8_3.s390x.rpm kernel-tools-4.18.0-240.10.1.el8_3.s390x.rpm kernel-tools-debuginfo-4.18.0-240.10.1.el8_3.s390x.rpm kernel-zfcpdump-4.18.0-240.10.1.el8_3.s390x.rpm kernel-zfcpdump-core-4.18.0-240.10.1.el8_3.s390x.rpm kernel-zfcpdump-debuginfo-4.18.0-240.10.1.el8_3.s390x.rpm kernel-zfcpdump-devel-4.18.0-240.10.1.el8_3.s390x.rpm kernel-zfcpdump-modules-4.18.0-240.10.1.el8_3.s390x.rpm kernel-zfcpdump-modules-extra-4.18.0-240.10.1.el8_3.s390x.rpm perf-4.18.0-240.10.1.el8_3.s390x.rpm perf-debuginfo-4.18.0-240.10.1.el8_3.s390x.rpm python3-perf-4.18.0-240.10.1.el8_3.s390x.rpm python3-perf-debuginfo-4.18.0-240.10.1.el8_3.s390x.rpm
x86_64: bpftool-4.18.0-240.10.1.el8_3.x86_64.rpm bpftool-debuginfo-4.18.0-240.10.1.el8_3.x86_64.rpm kernel-4.18.0-240.10.1.el8_3.x86_64.rpm kernel-core-4.18.0-240.10.1.el8_3.x86_64.rpm kernel-cross-headers-4.18.0-240.10.1.el8_3.x86_64.rpm kernel-debug-4.18.0-240.10.1.el8_3.x86_64.rpm kernel-debug-core-4.18.0-240.10.1.el8_3.x86_64.rpm kernel-debug-debuginfo-4.18.0-240.10.1.el8_3.x86_64.rpm kernel-debug-devel-4.18.0-240.10.1.el8_3.x86_64.rpm kernel-debug-modules-4.18.0-240.10.1.el8_3.x86_64.rpm kernel-debug-modules-extra-4.18.0-240.10.1.el8_3.x86_64.rpm kernel-debuginfo-4.18.0-240.10.1.el8_3.x86_64.rpm kernel-debuginfo-common-x86_64-4.18.0-240.10.1.el8_3.x86_64.rpm kernel-devel-4.18.0-240.10.1.el8_3.x86_64.rpm kernel-headers-4.18.0-240.10.1.el8_3.x86_64.rpm kernel-modules-4.18.0-240.10.1.el8_3.x86_64.rpm kernel-modules-extra-4.18.0-240.10.1.el8_3.x86_64.rpm kernel-tools-4.18.0-240.10.1.el8_3.x86_64.rpm kernel-tools-debuginfo-4.18.0-240.10.1.el8_3.x86_64.rpm kernel-tools-libs-4.18.0-240.10.1.el8_3.x86_64.rpm perf-4.18.0-240.10.1.el8_3.x86_64.rpm perf-debuginfo-4.18.0-240.10.1.el8_3.x86_64.rpm python3-perf-4.18.0-240.10.1.el8_3.x86_64.rpm python3-perf-debuginfo-4.18.0-240.10.1.el8_3.x86_64.rpm
Red Hat CodeReady Linux Builder (v. 8):
aarch64: bpftool-debuginfo-4.18.0-240.10.1.el8_3.aarch64.rpm kernel-debug-debuginfo-4.18.0-240.10.1.el8_3.aarch64.rpm kernel-debuginfo-4.18.0-240.10.1.el8_3.aarch64.rpm kernel-debuginfo-common-aarch64-4.18.0-240.10.1.el8_3.aarch64.rpm kernel-tools-debuginfo-4.18.0-240.10.1.el8_3.aarch64.rpm kernel-tools-libs-devel-4.18.0-240.10.1.el8_3.aarch64.rpm perf-debuginfo-4.18.0-240.10.1.el8_3.aarch64.rpm python3-perf-debuginfo-4.18.0-240.10.1.el8_3.aarch64.rpm
ppc64le: bpftool-debuginfo-4.18.0-240.10.1.el8_3.ppc64le.rpm kernel-debug-debuginfo-4.18.0-240.10.1.el8_3.ppc64le.rpm kernel-debuginfo-4.18.0-240.10.1.el8_3.ppc64le.rpm kernel-debuginfo-common-ppc64le-4.18.0-240.10.1.el8_3.ppc64le.rpm kernel-tools-debuginfo-4.18.0-240.10.1.el8_3.ppc64le.rpm kernel-tools-libs-devel-4.18.0-240.10.1.el8_3.ppc64le.rpm perf-debuginfo-4.18.0-240.10.1.el8_3.ppc64le.rpm python3-perf-debuginfo-4.18.0-240.10.1.el8_3.ppc64le.rpm
x86_64: bpftool-debuginfo-4.18.0-240.10.1.el8_3.x86_64.rpm kernel-debug-debuginfo-4.18.0-240.10.1.el8_3.x86_64.rpm kernel-debuginfo-4.18.0-240.10.1.el8_3.x86_64.rpm kernel-debuginfo-common-x86_64-4.18.0-240.10.1.el8_3.x86_64.rpm kernel-tools-debuginfo-4.18.0-240.10.1.el8_3.x86_64.rpm kernel-tools-libs-devel-4.18.0-240.10.1.el8_3.x86_64.rpm perf-debuginfo-4.18.0-240.10.1.el8_3.x86_64.rpm python3-perf-debuginfo-4.18.0-240.10.1.el8_3.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-2020-25211 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
iQIVAwUBX/LeDtzjgjWX9erEAQjzWA/8CCQwJRJRvQzpR2PwPYgTvGCTedM23DVv xm9yarI6JfvYZn5b83Z1j5+VvYW5jDfKiHCY+NAsolSYlZXYqOcw2t8HRoKuzSua XHshH8vReO1RMrWz2ubWY3CTJlVA5g59BzYid/8jWN+WskB98+AIW32x04DxOu9U UKVl4AyqW7zq3BVOYQjuG/IGLOzX9D/qAqXewj/cgAHCURwq6U2MjtRoGP7njyQ4 xbNGZ2r12sS0iLu4To2P4pqdu/OwxemGnHG+JphUdHYilC+2ePXPxXCaj1h1z/aO GG4EiEsz/QMyFPf4ESegWpBoaBOFGYuDLp0RbSaGgNt9ZVyKCCrnT6IbvgwUL0+r WrU7CcsAPrQW3ICFFMwscrYvaYryEasoL+ZJ7WuRZU0WrqhiKdSUIESGVy6kNOPI 7rj3XJY/BILwvHEYGGd6VoAkaQyxVaZZv/V3qvdu8+gEAOEnXCkid8rxKPqyG/U5 GipbqyahQypk8m7EGXCgE7BlJbAoiU2zAAGsCxFD3snYxzS8qW4wCJnCID1iAq4K 5GEzrvWuzovkNBiEn+hfQTDz0yhDl8R3j8RmQgGtoKDQl/w3IWtD1D6bR1uJxwOq xGgmmdQX+FlaPYkPJas1DmigcXBQnDaS47hGsbK3UGjNKe31ht7Niw35C6/Q3QnZ RrOHPCHT/NE= =Ua82 -----END PGP SIGNATURE-----
-- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce
|
|
|
|