drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Zwei Probleme in kpatch-patch
Name: |
Zwei Probleme in kpatch-patch |
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ID: |
RHSA-2021:2720-01 |
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Distribution: |
Red Hat |
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Plattformen: |
Red Hat Enterprise Linux |
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Datum: |
Mi, 21. Juli 2021, 08:07 |
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Referenzen: |
https://access.redhat.com/security/vulnerabilities/RHSB-2021-006
https://access.redhat.com/security/cve/CVE-2021-33034
https://access.redhat.com/security/cve/CVE-2021-33909 |
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Applikationen: |
Linux |
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Originalnachricht |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256
===================================================================== Red Hat Security Advisory
Synopsis: Important: kpatch-patch security update Advisory ID: RHSA-2021:2720-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:2720 Issue date: 2021-07-20 CVE Names: CVE-2021-33034 CVE-2021-33909 =====================================================================
1. Summary:
An update is now available for Red Hat Enterprise Linux 8.2 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.
2. Relevant releases/architectures:
Red Hat Enterprise Linux BaseOS EUS (v. 8.2) - ppc64le, x86_64
3. Description:
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.
Security Fix(es):
* kernel: size_t-to-int conversion vulnerability in the filesystem layer (CVE-2021-33909)
* kernel: use-after-free in net/bluetooth/hci_event.c when destroying an hci_chan (CVE-2021-33034)
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.
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
5. Bugs fixed (https://bugzilla.redhat.com/):
1961305 - CVE-2021-33034 kernel: use-after-free in net/bluetooth/hci_event.c when destroying an hci_chan 1970273 - CVE-2021-33909 kernel: size_t-to-int conversion vulnerability in the filesystem layer
6. Package List:
Red Hat Enterprise Linux BaseOS EUS (v. 8.2):
Source: kpatch-patch-4_18_0-193_13_2-1-10.el8_2.src.rpm kpatch-patch-4_18_0-193_14_3-1-10.el8_2.src.rpm kpatch-patch-4_18_0-193_19_1-1-10.el8_2.src.rpm kpatch-patch-4_18_0-193_28_1-1-8.el8_2.src.rpm kpatch-patch-4_18_0-193_29_1-1-8.el8_2.src.rpm kpatch-patch-4_18_0-193_37_1-1-8.el8_2.src.rpm kpatch-patch-4_18_0-193_40_1-1-8.el8_2.src.rpm kpatch-patch-4_18_0-193_41_1-1-8.el8_2.src.rpm kpatch-patch-4_18_0-193_46_1-1-5.el8_2.src.rpm kpatch-patch-4_18_0-193_47_1-1-5.el8_2.src.rpm kpatch-patch-4_18_0-193_51_1-1-2.el8_2.src.rpm kpatch-patch-4_18_0-193_56_1-1-1.el8_2.src.rpm
ppc64le: kpatch-patch-4_18_0-193_13_2-1-10.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_13_2-debuginfo-1-10.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_13_2-debugsource-1-10.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_14_3-1-10.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_14_3-debuginfo-1-10.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_14_3-debugsource-1-10.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_19_1-1-10.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_19_1-debuginfo-1-10.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_19_1-debugsource-1-10.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_28_1-1-8.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_28_1-debuginfo-1-8.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_28_1-debugsource-1-8.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_29_1-1-8.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_29_1-debuginfo-1-8.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_29_1-debugsource-1-8.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_37_1-1-8.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_37_1-debuginfo-1-8.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_37_1-debugsource-1-8.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_40_1-1-8.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_40_1-debuginfo-1-8.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_40_1-debugsource-1-8.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_41_1-1-8.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_41_1-debuginfo-1-8.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_41_1-debugsource-1-8.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_46_1-1-5.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_46_1-debuginfo-1-5.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_46_1-debugsource-1-5.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_47_1-1-5.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_47_1-debuginfo-1-5.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_47_1-debugsource-1-5.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_51_1-1-2.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_51_1-debuginfo-1-2.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_51_1-debugsource-1-2.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_56_1-1-1.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_56_1-debuginfo-1-1.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_56_1-debugsource-1-1.el8_2.ppc64le.rpm
x86_64: kpatch-patch-4_18_0-193_13_2-1-10.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_13_2-debuginfo-1-10.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_13_2-debugsource-1-10.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_14_3-1-10.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_14_3-debuginfo-1-10.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_14_3-debugsource-1-10.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_19_1-1-10.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_19_1-debuginfo-1-10.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_19_1-debugsource-1-10.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_28_1-1-8.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_28_1-debuginfo-1-8.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_28_1-debugsource-1-8.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_29_1-1-8.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_29_1-debuginfo-1-8.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_29_1-debugsource-1-8.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_37_1-1-8.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_37_1-debuginfo-1-8.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_37_1-debugsource-1-8.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_40_1-1-8.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_40_1-debuginfo-1-8.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_40_1-debugsource-1-8.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_41_1-1-8.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_41_1-debuginfo-1-8.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_41_1-debugsource-1-8.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_46_1-1-5.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_46_1-debuginfo-1-5.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_46_1-debugsource-1-5.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_47_1-1-5.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_47_1-debuginfo-1-5.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_47_1-debugsource-1-5.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_51_1-1-2.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_51_1-debuginfo-1-2.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_51_1-debugsource-1-2.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_56_1-1-1.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_56_1-debuginfo-1-1.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_56_1-debugsource-1-1.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/
7. References:
https://access.redhat.com/security/cve/CVE-2021-33034 https://access.redhat.com/security/cve/CVE-2021-33909 https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/security/vulnerabilities/RHSB-2021-006
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/
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