drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Ausführen beliebiger Kommandos in kpatch-patch
Name: |
Ausführen beliebiger Kommandos in kpatch-patch |
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ID: |
RHSA-2021:0940-01 |
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Distribution: |
Red Hat |
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Plattformen: |
Red Hat Enterprise Linux |
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Datum: |
Do, 18. März 2021, 23:30 |
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Referenzen: |
https://access.redhat.com/security/cve/CVE-2020-29661 |
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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-2021:0940-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:0940 Issue date: 2021-03-18 CVE Names: CVE-2020-29661 =====================================================================
1. Summary:
An update for kpatch-patch is now available for Red Hat Enterprise Linux 7.6 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 Server EUS (v. 7.6) - 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: locking issue in drivers/tty/tty_jobctrl.c can lead to an use-after-free (CVE-2020-29661)
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/):
1906525 - CVE-2020-29661 kernel: locking issue in drivers/tty/tty_jobctrl.c can lead to an use-after-free
6. Package List:
Red Hat Enterprise Linux Server EUS (v. 7.6):
Source: kpatch-patch-3_10_0-957_46_1-1-4.el7.src.rpm kpatch-patch-3_10_0-957_48_1-1-4.el7.src.rpm kpatch-patch-3_10_0-957_54_1-1-1.el7.src.rpm kpatch-patch-3_10_0-957_56_1-1-1.el7.src.rpm kpatch-patch-3_10_0-957_58_2-1-1.el7.src.rpm kpatch-patch-3_10_0-957_61_1-1-1.el7.src.rpm kpatch-patch-3_10_0-957_61_2-1-1.el7.src.rpm kpatch-patch-3_10_0-957_62_1-1-1.el7.src.rpm kpatch-patch-3_10_0-957_65_1-1-1.el7.src.rpm kpatch-patch-3_10_0-957_66_1-1-1.el7.src.rpm
ppc64le: kpatch-patch-3_10_0-957_46_1-1-4.el7.ppc64le.rpm kpatch-patch-3_10_0-957_48_1-1-4.el7.ppc64le.rpm kpatch-patch-3_10_0-957_54_1-1-1.el7.ppc64le.rpm kpatch-patch-3_10_0-957_54_1-debuginfo-1-1.el7.ppc64le.rpm kpatch-patch-3_10_0-957_56_1-1-1.el7.ppc64le.rpm kpatch-patch-3_10_0-957_56_1-debuginfo-1-1.el7.ppc64le.rpm kpatch-patch-3_10_0-957_58_2-1-1.el7.ppc64le.rpm kpatch-patch-3_10_0-957_58_2-debuginfo-1-1.el7.ppc64le.rpm kpatch-patch-3_10_0-957_61_1-1-1.el7.ppc64le.rpm kpatch-patch-3_10_0-957_61_1-debuginfo-1-1.el7.ppc64le.rpm kpatch-patch-3_10_0-957_61_2-1-1.el7.ppc64le.rpm kpatch-patch-3_10_0-957_61_2-debuginfo-1-1.el7.ppc64le.rpm kpatch-patch-3_10_0-957_62_1-1-1.el7.ppc64le.rpm kpatch-patch-3_10_0-957_62_1-debuginfo-1-1.el7.ppc64le.rpm kpatch-patch-3_10_0-957_65_1-1-1.el7.ppc64le.rpm kpatch-patch-3_10_0-957_65_1-debuginfo-1-1.el7.ppc64le.rpm kpatch-patch-3_10_0-957_66_1-1-1.el7.ppc64le.rpm kpatch-patch-3_10_0-957_66_1-debuginfo-1-1.el7.ppc64le.rpm
x86_64: kpatch-patch-3_10_0-957_46_1-1-4.el7.x86_64.rpm kpatch-patch-3_10_0-957_48_1-1-4.el7.x86_64.rpm kpatch-patch-3_10_0-957_54_1-1-1.el7.x86_64.rpm kpatch-patch-3_10_0-957_54_1-debuginfo-1-1.el7.x86_64.rpm kpatch-patch-3_10_0-957_56_1-1-1.el7.x86_64.rpm kpatch-patch-3_10_0-957_56_1-debuginfo-1-1.el7.x86_64.rpm kpatch-patch-3_10_0-957_58_2-1-1.el7.x86_64.rpm kpatch-patch-3_10_0-957_58_2-debuginfo-1-1.el7.x86_64.rpm kpatch-patch-3_10_0-957_61_1-1-1.el7.x86_64.rpm kpatch-patch-3_10_0-957_61_1-debuginfo-1-1.el7.x86_64.rpm kpatch-patch-3_10_0-957_61_2-1-1.el7.x86_64.rpm kpatch-patch-3_10_0-957_61_2-debuginfo-1-1.el7.x86_64.rpm kpatch-patch-3_10_0-957_62_1-1-1.el7.x86_64.rpm kpatch-patch-3_10_0-957_62_1-debuginfo-1-1.el7.x86_64.rpm kpatch-patch-3_10_0-957_65_1-1-1.el7.x86_64.rpm kpatch-patch-3_10_0-957_65_1-debuginfo-1-1.el7.x86_64.rpm kpatch-patch-3_10_0-957_66_1-1-1.el7.x86_64.rpm kpatch-patch-3_10_0-957_66_1-debuginfo-1-1.el7.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-2020-29661 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/
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