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[{"id":483,"title":"Self-taught through trial and error","votes":549,"type":"x","order":1,"pct":78.54,"resources":[]},{"id":484,"title":"Formal training or courses","votes":30,"type":"x","order":2,"pct":4.29,"resources":[]},{"id":485,"title":"A job that required it","votes":34,"type":"x","order":3,"pct":4.86,"resources":[]},{"id":486,"title":"Other","votes":86,"type":"x","order":4,"pct":12.3,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350

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Ubuntu 25.10 kmod Critical Algif_aead Privilege Escalation USN-8226-1

Ubuntu 26.04 LTS nginx Critical Denial of Service 2026-42945

Ubuntu 26.04 Docker Critical Security Threats USN-8230-1 CVE-2026-33747

Ubuntu 22.04 OpenSSH Important Remote Access Issues USN-8222-1

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security advisoryRed Hatbug fix

Red Hat 7: RHSA-2022-1198-01 Important Kernel Security Update

An update for kernel is now available for Red Hat Enterprise Linux 7. 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. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: kernel security, bug fix, and enhancement update Advisory ID: RHSA-2022:1198-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2022:1198 Issue date: 2022-04-05 CVE Names: CVE-2021-4028 CVE-2021-4083 ==================================================================== 1. Summary: An update for kernel is now available for Red Hat Enterprise Linux 7. 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 Client (v. 7) - noarch, x86_64 Red Hat Enterprise Linux Client Optional (v. 7) - x86_64 Red Hat Enterprise Linux ComputeNode (v. 7) - noarch, x86_64 Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64 Red Hat Enterprise Linux Server (v. 7) - noarch, ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, x86_64 Red Hat Enterprise Linux Workstation (v. 7) - noarch, x86_64 Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64 3. Description: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: use-after-free in RDMA listen() (CVE-2021-4028) * kernel: fget: check that the fd still exists after getting a ref to it (CVE-2021-4083) For more details about the securityissue(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): * Adding new kernel entry in grub configuration file only after generation of new initramfs (BZ#1893756) * Cannot mount DFS shares on RHEL7 (BZ#1937304) * RHEL7.9 - zcrypt DD: Toleration for new IBM Z Crypto Hardware (BZ#1997156) * kernel panic at skb_free_datagram_locked on 3.10.0-1160.45.1.el7 (BZ#2028740) * Lots of tasks are getting stuck in I/O wait waiting on the buffer_head locked by the task that is busy shrinking slab for freeing pages - 3 patches to fs/buffer.c (BZ#2030609) * [RHEL 7.9 Bug] x86/platform/uv: Add more to secondary CPU kdump info (BZ#2042462) * REGRESSION System panicking in __kmalloc+0x94 from a freelist issue introduced by a block patch. (BZ#2054743) Enhancement(s): * RHEL7.9 - kernel: Add support for CPU-MF counter second version 7 (BZ#2048920) 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/): 2027201 - CVE-2021-4028 kernel: use-after-free in RDMA listen() 2029923 - CVE-2021-4083 kernel: fget: check that the fd still exists after getting a ref to it 6. Package List: Red Hat Enterprise Linux Client (v.7): Source: kernel-3.10.0-1160.62.1.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-1160.62.1.el7.noarch.rpm kernel-doc-3.10.0-1160.62.1.el7.noarch.rpm x86_64: bpftool-3.10.0-1160.62.1.el7.x86_64.rpm bpftool-debuginfo-3.10.0-1160.62.1.el7.x86_64.rpm kernel-3.10.0-1160.62.1.el7.x86_64.rpm kernel-debug-3.10.0-1160.62.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1160.62.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-1160.62.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1160.62.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1160.62.1.el7.x86_64.rpm kernel-devel-3.10.0-1160.62.1.el7.x86_64.rpm kernel-headers-3.10.0-1160.62.1.el7.x86_64.rpm kernel-tools-3.10.0-1160.62.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1160.62.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-1160.62.1.el7.x86_64.rpm perf-3.10.0-1160.62.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1160.62.1.el7.x86_64.rpm python-perf-3.10.0-1160.62.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1160.62.1.el7.x86_64.rpm Red Hat Enterprise Linux Client Optional (v. 7): x86_64: bpftool-debuginfo-3.10.0-1160.62.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1160.62.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1160.62.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1160.62.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1160.62.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-1160.62.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1160.62.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1160.62.1.el7.x86_64.rpm Red Hat Enterprise Linux ComputeNode (v.7): Source: kernel-3.10.0-1160.62.1.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-1160.62.1.el7.noarch.rpm kernel-doc-3.10.0-1160.62.1.el7.noarch.rpm x86_64: bpftool-3.10.0-1160.62.1.el7.x86_64.rpm bpftool-debuginfo-3.10.0-1160.62.1.el7.x86_64.rpm kernel-3.10.0-1160.62.1.el7.x86_64.rpm kernel-debug-3.10.0-1160.62.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1160.62.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-1160.62.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1160.62.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1160.62.1.el7.x86_64.rpm kernel-devel-3.10.0-1160.62.1.el7.x86_64.rpm kernel-headers-3.10.0-1160.62.1.el7.x86_64.rpm kernel-tools-3.10.0-1160.62.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1160.62.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-1160.62.1.el7.x86_64.rpm perf-3.10.0-1160.62.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1160.62.1.el7.x86_64.rpm python-perf-3.10.0-1160.62.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1160.62.1.el7.x86_64.rpm Red Hat Enterprise Linux ComputeNode Optional (v. 7): x86_64: bpftool-debuginfo-3.10.0-1160.62.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1160.62.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1160.62.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1160.62.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1160.62.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-1160.62.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1160.62.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1160.62.1.el7.x86_64.rpm Red Hat Enterprise Linux Server (v.7): Source: kernel-3.10.0-1160.62.1.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-1160.62.1.el7.noarch.rpm kernel-doc-3.10.0-1160.62.1.el7.noarch.rpm ppc64: bpftool-3.10.0-1160.62.1.el7.ppc64.rpm bpftool-debuginfo-3.10.0-1160.62.1.el7.ppc64.rpm kernel-3.10.0-1160.62.1.el7.ppc64.rpm kernel-bootwrapper-3.10.0-1160.62.1.el7.ppc64.rpm kernel-debug-3.10.0-1160.62.1.el7.ppc64.rpm kernel-debug-debuginfo-3.10.0-1160.62.1.el7.ppc64.rpm kernel-debug-devel-3.10.0-1160.62.1.el7.ppc64.rpm kernel-debuginfo-3.10.0-1160.62.1.el7.ppc64.rpm kernel-debuginfo-common-ppc64-3.10.0-1160.62.1.el7.ppc64.rpm kernel-devel-3.10.0-1160.62.1.el7.ppc64.rpm kernel-headers-3.10.0-1160.62.1.el7.ppc64.rpm kernel-tools-3.10.0-1160.62.1.el7.ppc64.rpm kernel-tools-debuginfo-3.10.0-1160.62.1.el7.ppc64.rpm kernel-tools-libs-3.10.0-1160.62.1.el7.ppc64.rpm perf-3.10.0-1160.62.1.el7.ppc64.rpm perf-debuginfo-3.10.0-1160.62.1.el7.ppc64.rpm python-perf-3.10.0-1160.62.1.el7.ppc64.rpm python-perf-debuginfo-3.10.0-1160.62.1.el7.ppc64.rpm ppc64le: bpftool-3.10.0-1160.62.1.el7.ppc64le.rpm bpftool-debuginfo-3.10.0-1160.62.1.el7.ppc64le.rpm kernel-3.10.0-1160.62.1.el7.ppc64le.rpm kernel-bootwrapper-3.10.0-1160.62.1.el7.ppc64le.rpm kernel-debug-3.10.0-1160.62.1.el7.ppc64le.rpm kernel-debug-debuginfo-3.10.0-1160.62.1.el7.ppc64le.rpm kernel-debuginfo-3.10.0-1160.62.1.el7.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-1160.62.1.el7.ppc64le.rpm kernel-devel-3.10.0-1160.62.1.el7.ppc64le.rpm kernel-headers-3.10.0-1160.62.1.el7.ppc64le.rpm kernel-tools-3.10.0-1160.62.1.el7.ppc64le.rpm kernel-tools-debuginfo-3.10.0-1160.62.1.el7.ppc64le.rpm kernel-tools-libs-3.10.0-1160.62.1.el7.ppc64le.rpm perf-3.10.0-1160.62.1.el7.ppc64le.rpm perf-debuginfo-3.10.0-1160.62.1.el7.ppc64le.rpm python-perf-3.10.0-1160.62.1.el7.ppc64le.rpm python-perf-debuginfo-3.10.0-1160.62.1.el7.ppc64le.rpm s390x: bpftool-3.10.0-1160.62.1.el7.s390x.rpm bpftool-debuginfo-3.10.0-1160.62.1.el7.s390x.rpm kernel-3.10.0-1160.62.1.el7.s390x.rpm kernel-debug-3.10.0-1160.62.1.el7.s390x.rpm kernel-debug-debuginfo-3.10.0-1160.62.1.el7.s390x.rpm kernel-debug-devel-3.10.0-1160.62.1.el7.s390x.rpm kernel-debuginfo-3.10.0-1160.62.1.el7.s390x.rpm kernel-debuginfo-common-s390x-3.10.0-1160.62.1.el7.s390x.rpm kernel-devel-3.10.0-1160.62.1.el7.s390x.rpm kernel-headers-3.10.0-1160.62.1.el7.s390x.rpm kernel-kdump-3.10.0-1160.62.1.el7.s390x.rpm kernel-kdump-debuginfo-3.10.0-1160.62.1.el7.s390x.rpm kernel-kdump-devel-3.10.0-1160.62.1.el7.s390x.rpm perf-3.10.0-1160.62.1.el7.s390x.rpm perf-debuginfo-3.10.0-1160.62.1.el7.s390x.rpm python-perf-3.10.0-1160.62.1.el7.s390x.rpm python-perf-debuginfo-3.10.0-1160.62.1.el7.s390x.rpm x86_64: bpftool-3.10.0-1160.62.1.el7.x86_64.rpm bpftool-debuginfo-3.10.0-1160.62.1.el7.x86_64.rpm kernel-3.10.0-1160.62.1.el7.x86_64.rpm kernel-debug-3.10.0-1160.62.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1160.62.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-1160.62.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1160.62.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1160.62.1.el7.x86_64.rpm kernel-devel-3.10.0-1160.62.1.el7.x86_64.rpm kernel-headers-3.10.0-1160.62.1.el7.x86_64.rpm kernel-tools-3.10.0-1160.62.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1160.62.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-1160.62.1.el7.x86_64.rpm perf-3.10.0-1160.62.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1160.62.1.el7.x86_64.rpm python-perf-3.10.0-1160.62.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1160.62.1.el7.x86_64.rpm Red Hat Enterprise Linux Server Optional (v.7): ppc64: bpftool-debuginfo-3.10.0-1160.62.1.el7.ppc64.rpm kernel-debug-debuginfo-3.10.0-1160.62.1.el7.ppc64.rpm kernel-debuginfo-3.10.0-1160.62.1.el7.ppc64.rpm kernel-debuginfo-common-ppc64-3.10.0-1160.62.1.el7.ppc64.rpm kernel-tools-debuginfo-3.10.0-1160.62.1.el7.ppc64.rpm kernel-tools-libs-devel-3.10.0-1160.62.1.el7.ppc64.rpm perf-debuginfo-3.10.0-1160.62.1.el7.ppc64.rpm python-perf-debuginfo-3.10.0-1160.62.1.el7.ppc64.rpm ppc64le: bpftool-debuginfo-3.10.0-1160.62.1.el7.ppc64le.rpm kernel-debug-debuginfo-3.10.0-1160.62.1.el7.ppc64le.rpm kernel-debug-devel-3.10.0-1160.62.1.el7.ppc64le.rpm kernel-debuginfo-3.10.0-1160.62.1.el7.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-1160.62.1.el7.ppc64le.rpm kernel-tools-debuginfo-3.10.0-1160.62.1.el7.ppc64le.rpm kernel-tools-libs-devel-3.10.0-1160.62.1.el7.ppc64le.rpm perf-debuginfo-3.10.0-1160.62.1.el7.ppc64le.rpm python-perf-debuginfo-3.10.0-1160.62.1.el7.ppc64le.rpm x86_64: bpftool-debuginfo-3.10.0-1160.62.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1160.62.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1160.62.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1160.62.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1160.62.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-1160.62.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1160.62.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1160.62.1.el7.x86_64.rpm Red Hat Enterprise Linux Workstation (v.7): Source: kernel-3.10.0-1160.62.1.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-1160.62.1.el7.noarch.rpm kernel-doc-3.10.0-1160.62.1.el7.noarch.rpm x86_64: bpftool-3.10.0-1160.62.1.el7.x86_64.rpm bpftool-debuginfo-3.10.0-1160.62.1.el7.x86_64.rpm kernel-3.10.0-1160.62.1.el7.x86_64.rpm kernel-debug-3.10.0-1160.62.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1160.62.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-1160.62.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1160.62.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1160.62.1.el7.x86_64.rpm kernel-devel-3.10.0-1160.62.1.el7.x86_64.rpm kernel-headers-3.10.0-1160.62.1.el7.x86_64.rpm kernel-tools-3.10.0-1160.62.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1160.62.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-1160.62.1.el7.x86_64.rpm perf-3.10.0-1160.62.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1160.62.1.el7.x86_64.rpm python-perf-3.10.0-1160.62.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1160.62.1.el7.x86_64.rpm Red Hat Enterprise Linux Workstation Optional (v. 7): x86_64: bpftool-debuginfo-3.10.0-1160.62.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1160.62.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1160.62.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1160.62.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1160.62.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-1160.62.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1160.62.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1160.62.1.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-2021-4028 https://access.redhat.com/security/cve/CVE-2021-4083 https://access.redhat.com/security/updates/classification/#important 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2022 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPGv1 iQIVAwUBYky/ZNzjgjWX9erEAQjp+xAAkd3EPvE/yrDVpEFl9iD3V99Zq9LXbEZl G2RZodKJv7tlAIGMjl/N2zgatUewH8Dy098WaFnlo9lNsZxCwTUGYO1i0QS4OKKJ juuXbyG9Ckq9iF+6rtPudD0kMMKhhzyo0G/rlEvG3HjXXv1ERqqZxCY1Ol5Y1WdI BoDD3vVL0B1OwrZ5q1A9NdJH9hZf9rx5MQRRF3ZnHN+UY4AMnSvn03DiECA50M2Q s3OtDyoEv/ilesl/FO83MsuMO4eYJK3YjIb/NawOFl5lKtKxQgDTDZyyAKKiudd4 s3P0etxazxmmuDCrwF3djCqd1uzX0JEjMyfXuESI5CyQ/I4LZMTUHOBlZDKf4Rxh leSXBqkc0Vv8Hwu2LGgpUVYtbrxWvFmYs/r/ZqWiX6kPaP5VxfktBnZT5b25XEsM 9VysO5mweWHSnEsgxcxbO7No1LgTd734ikoH2FB3ARLlAkP4zDtwW/USQGjBHl2w bie/lWHyU6BHhScfUwwxg7oJeEaojpCtz/695qN36FpeAtFShOkicC97JwMGyXfv sKwHWwJof3EHZQPuqnB4yE+KfF1wSsLsfDASlEnAe5zJjqHUaw95n0xCKbHF+5UK rGmUmiJlYIrWLGP4OEeXrIJ1V2rfUH62vDO4PcU2S+Ogy03H/cIL5a74Ld+R2VVh b7kbz0OKqP4=DYi8 -----END PGP SIGNATURE----- -- RHSA-announce mailing list This email address is being protected from spambots. You need JavaScript enabled to view it. https://listman.redhat.com/mailman/listinfo/rhsa-announce . Keep informed about the most recent kernel security patches and bug resolution updates for Red Hat Enterprise Linux 7, highlighting essential improvements.. Kernel Security Update, Red Hat Enterprise Linux, Bug Fixes in RHEL, Important Kernel Update, Kernel Fixes. . Severity: Important. LinuxSecurity.com Team

Apr 05, 2022 •Important Red Hat

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Ubuntu 25.10 kmod Critical Algif_aead Privilege Escalation USN-8226-1

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Ubuntu 26.04 Docker Critical Security Threats USN-8230-1 CVE-2026-33747

Ubuntu 22.04 OpenSSH Important Remote Access Issues USN-8222-1

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Fedora 43 objfw Important Update 1.5.5 Bug Fixes June 2026

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