{"id":"CVE-2024-26621","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nmm: huge_memory: don't force huge page alignment on 32 bit\n\ncommit efa7df3e3bb5 (\"mm: align larger anonymous mappings on THP\nboundaries\") caused two issues [1] [2] repo…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nmm: huge_memory: don't force huge page alignment on 32 bit\n\ncommit efa7df3e3bb5 (\"mm: align larger anonymous mappings on THP\nboundaries\") caused two issues [1] [2] repo…","severity":"high","cvss":8.2,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L","vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 5.18, < 6.1.81","linux_kernel >= 6.2, < 6.6.46","linux_kernel >= 6.7, < 6.7.6","linux_kernel = 6.8"],"patched":["linux_kernel 6.7.6"],"published":"2024-03-02","updated":"2026-08-04","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2024-26621","references":[{"url":"https://git.kernel.org/stable/c/4ef9ad19e17676b9ef071309bc62020e2373705d","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/6ea9aa8d97e6563676094cb35755884173269555","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7432376c913381c5f24d373a87ff629bbde94b47","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/87632bc9ecff5ded93433bc0fca428019bdd1cfe","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"http://www.openwall.com/lists/oss-security/2024/07/08/3","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2024/07/08/4","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2024/07/08/5","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2024/07/08/6","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2024/07/08/7","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2024/07/08/8","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2024/07/09/1","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2024/07/10/5","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2024/07/10/7","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2024/07/10/8","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2024/07/11/4","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2024/07/11/5","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2024/07/11/7","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2024/07/12/3","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2024/07/13/2","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2024/07/13/7","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2024/07/15/1","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2024/07/15/2","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2024/07/16/1","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2024/07/16/2","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2024/07/29/2","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2024/07/30/2","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/4ef9ad19e17676b9ef071309bc62020e2373705d","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/7432376c913381c5f24d373a87ff629bbde94b47","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/87632bc9ecff5ded93433bc0fca428019bdd1cfe","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://zolutal.github.io/aslrnt/","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.01006,"epssPercentile":0.61388,"ingestedAt":"2026-08-05T05:58:02.343Z","slug":"CVE-2024-26621","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nmm: huge_memory: don't force huge page alignment on 32 bit\n\ncommit efa7df3e3bb5 (\"mm: align larger anonymous mappings on THP\nboundaries\") caused two issues [1] [2] reported on 32 bit system or compat\nuserspace.\n\nIt doesn't make too much sense to force huge page alignment on 32 bit\nsystem due to the constrained virtual address space.\n\n[1] https://lore.kernel.org/linux-mm/d0a136a0-4a31-46bc-adf4-2db109a61672@kernel.org/\n[2] https://lore.kernel.org/linux-mm/CAJuCfpHXLdQy1a2B6xN2d7quTYwg2OoZseYPZTRpU0eHHKD-sQ@mail.gmail.com/\n\n## Affected\n\n- `linux_kernel >= 5.18, < 6.1.81`\n- `linux_kernel >= 6.2, < 6.6.46`\n- `linux_kernel >= 6.7, < 6.7.6`\n- `linux_kernel = 6.8`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.7.6`","depth":"twilight","depthScore":45,"depthScoreParts":{"impact":45.1,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}