https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Thu, 01 Oct 2026 19:15:54 +0000 https://vulnerability.circl.lu/vuln/cve-2026-46057 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>landlock: Fix LOG_SUBDOMAINS_OFF inheritance across fork()</p> <p>hook_cred_transfer() only copies the Landlock security blob when the source credential has a domain. This is inconsistent with landlock_restrict_self() which can set LOG_SUBDOMAINS_OFF on a credential without creating a domain (via the ruleset_fd=-1 path): the field is committed but not preserved across fork() because the child&#39;s prepare_creds() calls hook_cred_transfer() which skips the copy when domain is NULL.</p> <p>This breaks the documented use case where a process mutes subdomain logs before forking sandboxed children: the children lose the muting and their domains produce unexpected audit records.</p> <p>Fix this by unconditionally copying the Landlock credential blob.</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>landlock: Fix LOG_SUBDOMAINS_OFF inheritance across fork()</p> <p>hook_cred_transfer() only copies the Landlock security blob when the source credential has a domain. This is inconsistent with landlock_restrict_self() which can set LOG_SUBDOMAINS_OFF on a credential without creating a domain (via the ruleset_fd=-1 path): the field is committed but not preserved across fork() because the child&#39;s prepare_creds() calls hook_cred_transfer() which skips the copy when domain is NULL.</p> <p>This breaks the documented use case where a process mutes subdomain logs before forking sandboxed children: the children lose the muting and their domains produce unexpected audit records.</p> <p>Fix this by unconditionally copying the Landlock credential blob.</p> https://vulnerability.circl.lu/vuln/cve-2026-46057