Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.0964 kpatch-patch security update 19 March 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: kpatch-patch Publisher: Red Hat Operating System: Red Hat Impact/Access: Increased Privileges -- Existing Account Denial of Service -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2020-29661 Reference: ESB-2021.0934 ESB-2021.0929 ESB-2021.0924 ESB-2021.0864 Original Bulletin: https://access.redhat.com/errata/RHSA-2021:0940 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----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/ Copyright 2021 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYFOEUtzjgjWX9erEAQj6XQ//YHyiTcfTsGkQ50//NebSvXYHHix84DOn MbWT8IsjMUrUWcCLcoX+fvw4sIB88xBaaWQgaLnKMfwZsc3kSYOgFZmbxyeKV0kO anZegDXFfddsGFf8WwZNkvZY0M/JQVHs+cCqjVLIzbbIl1go7mxGxPVCdtdSBCEY qQkB6OXbzyx32j8kvTR+ddACUdpGdvNOsQ3yREdWEbWiIT3zfVv5X4BfHyBle6nt TUP1wDU56eX5sSK8Pn3hIqir2tGD8UDGwDXw/9esTTHLh6F0h0wKBs5oZg20DK+N 2ilpNGWR8DSJYaknFYPmHGCbkeQbMIEhodJUGVkc5LgdREMuteBlO+XkntsoRBZj 7X/CPjIy/P2eHLkAdSnUI3qcVEt8vjH7ol8elw7vuQz/hF5yWxcYhLN6xBMdHHhO lMywYJ8JLRYe9NJtfMApSNyAT089x4W0YnghaqDwgOkJSXxxQlcJB5f8/67bIFjs K213aC+kTU0AogjqJ82l/27FTO3HUC3QiusLViH1k+TlcuAM+gVey2F4IoSTu2tm AjZu5FYnWKtNCZhNU4yVG0HHzCDcrRO2CsbM5s/prZucqfFWRGW3+NTttQdeyrZU BjOCSRzW6ykmfr0b42j99RUVJBxMvjyJzgPbr4iNLJJw69RAmuZom+alT8Q+hhtV PXwmQU3W3Ms= =Ho9A - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBYFPn+eNLKJtyKPYoAQh/Hg/+LgpAH6rjIMME8d5Ky+J5p0K4I9qAK04b 692FVf8sPfGrSc5wTWN3/GHL81x15WRX6LjVPN30pEZJXs19WxDx609L3C/EsfQh MaWZ7Rz7uppA6tQHDKfffiioOX5jebvTm0FDbUms6ZJy348HiMWunwFIXW3Yj7pT mVh6gXHJdnhQXrzi51nTZBGn1jMNbuIak2DgaMfkWy9D8k52qB5eHKu73XDgnaIo N/kMxey0XeMxi+zE+KRFBJcWcNF3RU2mk5l0Vv+DV0PMUxNKOT3kjOcNoRDFi5PE WxVB1Cp/Xq0DdZQ3YXeRKAL6LcXDlMJuCmfXYKnPChkEZUm2xNRpuZXHzx/1+agA 2doXdxHcov3AR6QUqRkfPj4ynnjrW55btwznSp9mWqAocfC/XWlrlu0yNBl3e4s/ yNDA68bmHh2RKdrssg6If2xPKWkHGjIuPvx+ebeo7cGfgl1oHsrY6nMY9wgB+8UD DmwI1jnRnVqh6No6w326fdD7eTqwiZNoO8W+Kn8RBRcL12S2PBbp5eTekqAIR6VL Mcahww/T4dGgyE7wMPpNQSDzA4VV39230/ld/HY6FSz6xnN9GFIcOvldHg3pJSEj MVoNn0M/+E3CG3JIqlOHNJdgxtchHx7DMmL6VX14BfhIrE5r8ucJmpvlviVEPSm3 rOP7gRr2EBQ= =/BFq -----END PGP SIGNATURE-----