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April 18-23, 2024
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March 11 to 16, 2024
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February 28, 2024
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November 25, 2023
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November 16, 2023
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October 13, 2023
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CVE-2023-23583: microcode_ctl
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CVE-2023-4911: glibc
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CVE-2024-1086: kernel
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CVE-2024-2961: glibc
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CVE-2024-6387: openssh
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<a href="../issues/CVE-2024-6409/" class="md-nav__link">
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CVE-2024-6409: openssh
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Extra package: control
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Extra package: hardened_malloc
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Extra package: lkrg
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<h1 id="news">News<a class="headerlink" href="#news" title="Permanent link">&para;</a></h1>
<p>These are what we consider significant SIG/Security news items, not an exhaustive list of package updates and wiki edits.</p>
<h2 id="august-7-2024">August 7, 2024<a class="headerlink" href="#august-7-2024" title="Permanent link">&para;</a></h2>
<p><a href="../packages/openssh/">openssh</a> <code>8.7p1-38.4.el9_4.security.0.9</code> for EL9 is a rebase on RH's release with a CVE-2024-6409 fix,
plus a further change of our own to suppress warnings about unsupported GSSAPI on systems configured for FIPS crypto-policy.</p>
<h2 id="july-8-2024">July 8, 2024<a class="headerlink" href="#july-8-2024" title="Permanent link">&para;</a></h2>
<p><a href="../packages/openssh/">openssh</a> <code>8.7p1-38.1.el9_4.security.0.7</code> for EL9 adds a fix for <a href="../issues/CVE-2024-6409/">CVE-2024-6409</a>,
an EL9-specific issue similar to <a href="../issues/CVE-2024-6387/">CVE-2024-6387 regreSSHion</a>.</p>
<h2 id="july-1-2024">July 1, 2024<a class="headerlink" href="#july-1-2024" title="Permanent link">&para;</a></h2>
<p><a href="../packages/openssh/">openssh</a> <code>8.7p1-38.el9_4.security.0.5</code> for EL9 adds a fix for <a href="../issues/CVE-2024-6387/">CVE-2024-6387 regreSSHion</a>.
EL8 is unaffected.</p>
<h2 id="june-13-2024">June 13, 2024<a class="headerlink" href="#june-13-2024" title="Permanent link">&para;</a></h2>
<p><a href="../packages/glibc/">glibc</a> <code>2.34-100.2.el9_4.security.0.9</code> is a rebase on <code>2.34-100.el9_4.2</code>,
where we switch to RH's backport of the iconv and nscd security fixes.</p>
<h2 id="june-1-2024">June 1, 2024<a class="headerlink" href="#june-1-2024" title="Permanent link">&para;</a></h2>
<p><a href="../packages/lkrg/">lkrg</a> <code>0.9.8-2.el8_10.security</code> is a rebuild of Linux Kernel Runtime Guard for EL 8.10,
which wasn't strictly necessary this time as our build for 8.9 also remained working on 8.10 as-is.</p>
<h2 id="may-22-2024">May 22, 2024<a class="headerlink" href="#may-22-2024" title="Permanent link">&para;</a></h2>
<p><a href="../packages/lkrg/">lkrg</a> <code>0.9.8-2.el9_4.security</code> is a rebuild of Linux Kernel Runtime Guard for EL 9.4.</p>
<h2 id="may-20-2024">May 20, 2024<a class="headerlink" href="#may-20-2024" title="Permanent link">&para;</a></h2>
<p><a href="../packages/glibc/">glibc</a> <code>2.34-100.el9_4.security.0.8</code> contains all of our changes so far rebased on top of 9.4's <code>2.34-100</code>,
which was still missing the iconv and nscd security fixes, so our addition of those is still relevant.</p>
<p><a href="../packages/openssh/">openssh</a> rebased on 9.4's <code>8.7p1-38</code>.</p>
<p>The status page on <a href="../issues/CVE-2024-1086/">CVE-2024-1086</a> has been updated to refer to EL9 fix.</p>
<h2 id="april-30-2024">April 30, 2024<a class="headerlink" href="#april-30-2024" title="Permanent link">&para;</a></h2>
<p>Unreleased <a href="../packages/glibc/">glibc</a> <code>2.34-83.12.el9_3.security.0.6</code> includes nscd CVE-2024-33599, CVE-2024-33600, CVE-2024-33601, CVE-2024-33602 fixes from upstream glibc 2.34 branch.</p>
<p>This update ended up unreleased because we refocused on 9.4.</p>
<h2 id="april-18-23-2024">April 18-23, 2024<a class="headerlink" href="#april-18-23-2024" title="Permanent link">&para;</a></h2>
<p>Our hardened EL9 <a href="../packages/glibc/">glibc</a> updated to include glibc upstream fix for <a href="../issues/CVE-2024-2961/">CVE-2024-2961</a>.
On that CVE status page, we also provide a mitigation for both EL9 and EL8.</p>
<p>The status page on <a href="../issues/CVE-2024-1086/">CVE-2024-1086</a> has been updated to refer to EL8 fix and errata, suggest disabling network namespaces, explain remaining risks with LKRG.</p>
<h2 id="march-28-2024">March 28, 2024<a class="headerlink" href="#march-28-2024" title="Permanent link">&para;</a></h2>
<p>We've just set up a status page on <a href="../issues/CVE-2024-1086/">CVE-2024-1086</a>,
currently listing two mitigations for this Linux kernel vulnerability.</p>
<h2 id="march-11-to-16-2024">March 11 to 16, 2024<a class="headerlink" href="#march-11-to-16-2024" title="Permanent link">&para;</a></h2>
<p><a href="../packages/openssh/">openssh</a> rebased on upstream EL 8.7p1-34.3 with fixes for CVE-2023-48795 (Terrapin attack) and CVE-2023-51385, now building it without Kerberos support (further shortens <code>ldd sshd</code> from 20 to 13 lines, down from 28 lines in upstream EL).</p>
<h2 id="february-28-2024">February 28, 2024<a class="headerlink" href="#february-28-2024" title="Permanent link">&para;</a></h2>
<p><a href="../packages/lkrg/">lkrg</a> updated to version 0.9.8, which adds a remote kernel message logging capability.</p>
<h2 id="january-31-2024">January 31, 2024<a class="headerlink" href="#january-31-2024" title="Permanent link">&para;</a></h2>
<p>Further EL9 <a href="../packages/glibc/">glibc</a> security hardening in response to the <a href="https://www.openwall.com/lists/oss-security/2024/01/30/6">recent</a> <a href="https://www.openwall.com/lists/oss-security/2024/01/30/7">findings</a> by Qualys.</p>
<h2 id="january-3-2024">January 3, 2024<a class="headerlink" href="#january-3-2024" title="Permanent link">&para;</a></h2>
<p><a href="../packages/control/">control</a> <code>0.8.0-7</code> can now manage two SUID root PAM helper programs <code>unix_chkpwd</code> and <code>pam_timestamp_check</code>.</p>
<h2 id="december-27-2023">December 27, 2023<a class="headerlink" href="#december-27-2023" title="Permanent link">&para;</a></h2>
<p><a href="../packages/control/">control</a> <code>0.8.0-5</code> can now manage user password hashing scheme and password policy in use by PAM-aware programs.</p>
<h2 id="december-18-2023">December 18, 2023<a class="headerlink" href="#december-18-2023" title="Permanent link">&para;</a></h2>
<p>This SIG/Security News wiki page has been created, retroactively identifying and listing selected news items so far.</p>
<p><a href="../packages/control/">control</a> <code>0.8.0-4</code> can now manage 3 privileged programs from <code>util-linux</code> (and <code>util-linux-core</code>): <code>mount</code>, <code>umount</code> (one "facility" for both), and <code>write</code>. Its wiki page has been reworked.</p>
<h2 id="december-14-2023">December 14, 2023<a class="headerlink" href="#december-14-2023" title="Permanent link">&para;</a></h2>
<p><a href="../packages/control/">control</a> wiki page added, documenting the new package.</p>
<p><code>control</code> provides a common interface to register and control (what it calls) system facilities.
This is intended primarily for facilities that can potentially be dangerous to system security, to let you enable, disable, or configure each facility.
A typical facility is a SUID/SGID/setcap program or a configuration setting of a service.</p>
<p>Included initially are facility specifications corresponding to the <code>shadow-utils</code> package. Currently, these allow to <code>control</code> access to 5 privileged programs - 3 of them (<code>chage</code>, <code>gpasswd</code>, and <code>newgrp</code>) are by default SUID root and 2 (<code>newuidmap</code> and <code>newgidmap</code>) are <code>cap_setuid=ep</code>.</p>
<h2 id="november-25-2023">November 25, 2023<a class="headerlink" href="#november-25-2023" title="Permanent link">&para;</a></h2>
<p>Everything we had so far has been updated for EL 9.3 and 8.9, including our hardened EL9 <a href="../packages/glibc/">glibc</a> and <a href="../packages/openssh/">openssh</a> packages rebased on 9.3's and <a href="../packages/lkrg/">lkrg</a> rebuilt for 9.3's and 8.9's kernels, along with re-testing and wiki edits.</p>
<p>The <code>rocky-release-security</code> package containing our repository configuration has been made (a while earlier) easier to use on EL distros other than Rocky Linux, and we've now updated the wiki accordingly.</p>
<h2 id="november-16-to-19-2023">November 16 to 19, 2023<a class="headerlink" href="#november-16-to-19-2023" title="Permanent link">&para;</a></h2>
<p><a href="../packages/microcode_ctl/">microcode_ctl</a> also for EL8, providing 8.9's Intel CPU microcode to fix <a href="../issues/CVE-2023-23583/">CVE-2023-23583</a> a few days before general availability of our own 8.9 release as a whole.</p>
<h2 id="november-16-2023">November 16, 2023<a class="headerlink" href="#november-16-2023" title="Permanent link">&para;</a></h2>
<p>Wiki pages <a href="../packages/lkrg/">lkrg</a> and <a href="../packages/passwdqc/">passwdqc</a> have been created. We had these extra packages for a while, but previously only had wiki pages for override packages (referring solely to upstream homepages for the extra packages).</p>
<h2 id="november-15-2023">November 15, 2023<a class="headerlink" href="#november-15-2023" title="Permanent link">&para;</a></h2>
<p>We've started maintaining wiki pages for selected high profile security issues, initially for glibc <a href="../issues/CVE-2023-4911/">CVE-2023-4911</a> and Intel CPU microcode <a href="../issues/CVE-2023-23583/">CVE-2023-23583</a>.</p>
<p><a href="../packages/microcode_ctl/">microcode_ctl</a> for EL9, providing latest Intel CPU microcode to fix <a href="../issues/CVE-2023-23583/">CVE-2023-23583</a> ahead of availability of a rebuilt new upstream package.</p>
<h2 id="october-31-to-november-15-2023">October 31 to November 15, 2023<a class="headerlink" href="#october-31-to-november-15-2023" title="Permanent link">&para;</a></h2>
<p><a href="../packages/hardened_malloc/">hardened_malloc</a> package - a security-focused memory allocator providing the <code>malloc(3)</code> API, and a script to preload it into existing program binaries. Its documentation on the wiki.</p>
<h2 id="october-13-2023">October 13, 2023<a class="headerlink" href="#october-13-2023" title="Permanent link">&para;</a></h2>
<p>We've started maintaining per-package wiki pages, initially for the override packages of <a href="../packages/glibc/">glibc</a> and <a href="../packages/openssh/">openssh</a>.</p>
<p>We've added instructions for installation of Rocky Linux SIG/Security repository on other EL distros (non-Rocky).</p>
<h2 id="october-3-2023">October 3, 2023<a class="headerlink" href="#october-3-2023" title="Permanent link">&para;</a></h2>
<p>Initial wiki content documenting what we had so far, which included override packages of <a href="../packages/glibc/">glibc</a> and <a href="../packages/openssh/">openssh</a> and extra packages of <a href="../packages/lkrg/">lkrg</a> and <a href="../packages/passwdqc/">passwdqc</a> (even though these per-package wiki pages did not exist yet, so we instead had summaries and external links on the front page only), the repository package, <a href="https://git.rockylinux.org/sig/security/src">source code repositories</a>, and <a href="https://chat.rockylinux.org/rocky-linux/channels/security">Mattermost channel</a>.</p>
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