Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2022.4069 kernel security update 17 August 2022 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: kernel Publisher: Red Hat Operating System: Red Hat Resolution: Patch/Upgrade CVE Names: CVE-2022-32250 Original Bulletin: https://access.redhat.com/errata/RHSA-2022:6073 Comment: CVSS (Max): 7.8 CVE-2022-32250 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) CVSS Source: Red Hat Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: kernel security update Advisory ID: RHSA-2022:6073-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2022:6073 Issue date: 2022-08-16 CVE Names: CVE-2022-32250 ===================================================================== 1. Summary: An update for kernel is now available for Red Hat Enterprise Linux 7.7 Advanced Update Support, Red Hat Enterprise Linux 7.7 Telco Extended Update Support, and Red Hat Enterprise Linux 7.7 Update Services for SAP Solutions. 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 AUS (v. 7.7) - noarch, x86_64 Red Hat Enterprise Linux Server E4S (v. 7.7) - noarch, ppc64le, x86_64 Red Hat Enterprise Linux Server Optional AUS (v. 7.7) - x86_64 Red Hat Enterprise Linux Server Optional E4S (v. 7.7) - ppc64le, x86_64 Red Hat Enterprise Linux Server Optional TUS (v. 7.7) - x86_64 Red Hat Enterprise Linux Server TUS (v. 7.7) - noarch, x86_64 3. Description: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: a use-after-free write in the netfilter subsystem can lead to privilege escalation to root (CVE-2022-32250) 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 The system must be rebooted for this update to take effect. 5. Bugs fixed (https://bugzilla.redhat.com/): 2092427 - CVE-2022-32250 kernel: a use-after-free write in the netfilter subsystem can lead to privilege escalation to root 6. Package List: Red Hat Enterprise Linux Server AUS (v. 7.7): Source: kernel-3.10.0-1062.68.1.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-1062.68.1.el7.noarch.rpm kernel-doc-3.10.0-1062.68.1.el7.noarch.rpm x86_64: bpftool-3.10.0-1062.68.1.el7.x86_64.rpm bpftool-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm kernel-3.10.0-1062.68.1.el7.x86_64.rpm kernel-debug-3.10.0-1062.68.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-1062.68.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1062.68.1.el7.x86_64.rpm kernel-devel-3.10.0-1062.68.1.el7.x86_64.rpm kernel-headers-3.10.0-1062.68.1.el7.x86_64.rpm kernel-tools-3.10.0-1062.68.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-1062.68.1.el7.x86_64.rpm perf-3.10.0-1062.68.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm python-perf-3.10.0-1062.68.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm Red Hat Enterprise Linux Server E4S (v. 7.7): Source: kernel-3.10.0-1062.68.1.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-1062.68.1.el7.noarch.rpm kernel-doc-3.10.0-1062.68.1.el7.noarch.rpm ppc64le: bpftool-3.10.0-1062.68.1.el7.ppc64le.rpm bpftool-debuginfo-3.10.0-1062.68.1.el7.ppc64le.rpm kernel-3.10.0-1062.68.1.el7.ppc64le.rpm kernel-bootwrapper-3.10.0-1062.68.1.el7.ppc64le.rpm kernel-debug-3.10.0-1062.68.1.el7.ppc64le.rpm kernel-debug-debuginfo-3.10.0-1062.68.1.el7.ppc64le.rpm kernel-debuginfo-3.10.0-1062.68.1.el7.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-1062.68.1.el7.ppc64le.rpm kernel-devel-3.10.0-1062.68.1.el7.ppc64le.rpm kernel-headers-3.10.0-1062.68.1.el7.ppc64le.rpm kernel-tools-3.10.0-1062.68.1.el7.ppc64le.rpm kernel-tools-debuginfo-3.10.0-1062.68.1.el7.ppc64le.rpm kernel-tools-libs-3.10.0-1062.68.1.el7.ppc64le.rpm perf-3.10.0-1062.68.1.el7.ppc64le.rpm perf-debuginfo-3.10.0-1062.68.1.el7.ppc64le.rpm python-perf-3.10.0-1062.68.1.el7.ppc64le.rpm python-perf-debuginfo-3.10.0-1062.68.1.el7.ppc64le.rpm x86_64: bpftool-3.10.0-1062.68.1.el7.x86_64.rpm bpftool-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm kernel-3.10.0-1062.68.1.el7.x86_64.rpm kernel-debug-3.10.0-1062.68.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-1062.68.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1062.68.1.el7.x86_64.rpm kernel-devel-3.10.0-1062.68.1.el7.x86_64.rpm kernel-headers-3.10.0-1062.68.1.el7.x86_64.rpm kernel-tools-3.10.0-1062.68.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-1062.68.1.el7.x86_64.rpm perf-3.10.0-1062.68.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm python-perf-3.10.0-1062.68.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm Red Hat Enterprise Linux Server TUS (v. 7.7): Source: kernel-3.10.0-1062.68.1.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-1062.68.1.el7.noarch.rpm kernel-doc-3.10.0-1062.68.1.el7.noarch.rpm x86_64: bpftool-3.10.0-1062.68.1.el7.x86_64.rpm bpftool-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm kernel-3.10.0-1062.68.1.el7.x86_64.rpm kernel-debug-3.10.0-1062.68.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-1062.68.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1062.68.1.el7.x86_64.rpm kernel-devel-3.10.0-1062.68.1.el7.x86_64.rpm kernel-headers-3.10.0-1062.68.1.el7.x86_64.rpm kernel-tools-3.10.0-1062.68.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-1062.68.1.el7.x86_64.rpm perf-3.10.0-1062.68.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm python-perf-3.10.0-1062.68.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm Red Hat Enterprise Linux Server Optional AUS (v. 7.7): x86_64: bpftool-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1062.68.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-1062.68.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm Red Hat Enterprise Linux Server Optional E4S (v. 7.7): ppc64le: bpftool-debuginfo-3.10.0-1062.68.1.el7.ppc64le.rpm kernel-debug-debuginfo-3.10.0-1062.68.1.el7.ppc64le.rpm kernel-debug-devel-3.10.0-1062.68.1.el7.ppc64le.rpm kernel-debuginfo-3.10.0-1062.68.1.el7.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-1062.68.1.el7.ppc64le.rpm kernel-tools-debuginfo-3.10.0-1062.68.1.el7.ppc64le.rpm kernel-tools-libs-devel-3.10.0-1062.68.1.el7.ppc64le.rpm perf-debuginfo-3.10.0-1062.68.1.el7.ppc64le.rpm python-perf-debuginfo-3.10.0-1062.68.1.el7.ppc64le.rpm x86_64: bpftool-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1062.68.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-1062.68.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm Red Hat Enterprise Linux Server Optional TUS (v. 7.7): x86_64: bpftool-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1062.68.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-1062.68.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1062.68.1.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-2022-32250 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 2022 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYvvc19zjgjWX9erEAQi1cRAAjEUt0r1F8jjtVp0d8kroL7hrs8EHBJ0Q qJyhWBmqx6rPsRG9BjxRp7/ghaiz6CG/UT1nv/nZ+fUBG83LCvZ46o8WcI6K0Fvy JerDv3tWnpPMJCh6Mk20L0Dc/1N4VT93aXLxZImYZ4lbglzuYnVG7padfPw1hKfJ 0mMRAW0Jq5no1Z+TbIw15UYH5VM9jHe3HUSEbQAmWd07rKNmYzrb7lmMVCKzLgKY OpoE5DBPzC2vmYy4uD5yFJAqb16udSc75O1lwJSm0NemThecm0UKmHvYShYQVFst PReb3FBLKkxp/cIn8agD45FLI6bmwx/G+Vf+ULKWLHKYAEb++VJMPeV/AZOMTXkZ pgAvjOmU+GW+Ff5caqFKIZpdPVrnckJ+OZAntAxlsfdoIi6zAayedi13CGjOT2YF LZJL1bZ5OvT+C/dDuFdouBc5vh6gUSvqFCIdChCcFISZTGD2pdqih0MrltYElYZQ aMyqT0Rbtb5tDTdiPsAOlEZdu27FwqwY3c3UKutAQZdNfiegGzrTEvqJUc/bAWck Nyr1jA2bfxIoAUeAZebg1BBIHDelDlIQ4jhR0rlmVddRLY/R0nlSUPDFYlhXSZ9a je2i1vKkqty8xO0u6E3y4hw5LtzKU4zg7Nithiko9iBeBeQl6jLWJbNFf6sNxwed y2wGB25IIfc= =ZdRy - -----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: https://auscert.org.au/gpg-key/ iQIVAwUBYvxFnckNZI30y1K9AQhNHg/8CkmZ77ukpl68RedFyBks3VFmlv1MxvjJ +ZK07uy2G5LQWbnnG1qPXvyuvsz5TV/ZRyy7MGDQ2lhXuM00p0ygUEfkJB85L0CC rqfeCB1tzvWbNi02aLTboCDd2CftvdSz6Ws9GlHKO0c8/ZLs1xMBsIhFqImKXiJw GutB17i/Swc1Bo3OkEXSHwunMr2HTNrqfKxFHmO7CA+x2xB2Yh8lBnoP7QJqwC2Z TRxequQ5otM5FbvTpx//SEAyjOZgWGG6QP4v7JHEfS69SQbwVSGgcvztBxdUa6N5 nav99hYI2K12DAwKfWuL1TtUSch/zT19vwxlcSbEmDR8zDOR16NrdExzdgL8eyi6 etpKFTiMMfUfaReJzVgpCj21tCPqFTb0pHrO1YPyh6lu7smbNL89992Rc7d0QwuE dTaxR/RvBx631/s3KAsM8osYxylP2Ax5NMnAaU/WhRxVddUEU4AZXLfLULIpDo+a S2TWah7/7jSC3m1yq0duM8PliTvCKj6Q4YU/KtuQIVw7zFeZ3njkT1QrMz1Zg06X oFl2pYLqvqUrns2/1+FBMlXSW1Pq2xSWdJIH0KpDWfNDJq7Hzvd9PwVNExpXodVK LEs83nnKdkr9ysCR7Hguy2Lcr1pOAxngZyN5qd06ku7QocIGAU+vT/vsL/F2HdRN 9ugKr8fETKU= =5vge -----END PGP SIGNATURE-----