Threats Tagged 'ubuntu-cve-2026-23404'
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Threats Tagged 'ubuntu-cve-2026-23404'
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In the Linux kernel, the following vulnerability has been resolved: apparmor: replace recursive profile removal with iterative approach The profile… (CVE-2026-23404)CVE-2026-23404 0 In the Linux kernel, the following vulnerability has been resolved: apparmor: replace recursive profile removal with iterative approach The profile removal code uses recursion when removing nested profiles, which can lead to kernel stack exhaustion and system crashes. Reproducer: $ pf='a'; for ((i=0; i<1024; i++)); do echo -e "profile $pf { \n }" | apparmor_parser -K -a; pf="$pf//x"; done $ echo -n a > /sys/kernel/security/apparmor/.remove Replace the recursive __aa_profile_list_release() approach with an iterative approach in __remove_profile(). The function repeatedly finds and removes leaf profiles until the entire subtree is removed, maintaining the same removal semantic without recursion. Join the discussion | GCVE Database | 04/01/2026, 09:16:00 UTC Added: 07/18/2026, 11:25:08 UTC |
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