High severity8.2NVD Advisory· Published Mar 2, 2024· Updated Aug 4, 2026
CVE-2024-26621
CVE-2024-26621
Description
In the Linux kernel, the following vulnerability has been resolved:
mm: huge_memory: don't force huge page alignment on 32 bit
commit efa7df3e3bb5 ("mm: align larger anonymous mappings on THP boundaries") caused two issues [1] [2] reported on 32 bit system or compat userspace.
It doesn't make too much sense to force huge page alignment on 32 bit system due to the constrained virtual address space.
[1] https://lore.kernel.org/linux-mm/[email protected]/ [2] https://lore.kernel.org/linux-mm/CAJuCfpHXLdQy1a2B6xN2d7quTYwg2OoZseYPZTRpU0eHHKD-sQ@mail.gmail.com/
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Affected products
6Patches
Vulnerability mechanics
References
27- www.openwall.com/lists/oss-security/2024/07/08/3nvdPatch
- www.openwall.com/lists/oss-security/2024/07/08/4nvdPatch
- www.openwall.com/lists/oss-security/2024/07/08/5nvdPatch
- www.openwall.com/lists/oss-security/2024/07/08/6nvdPatch
- www.openwall.com/lists/oss-security/2024/07/08/7nvdPatch
- www.openwall.com/lists/oss-security/2024/07/08/8nvdPatch
- www.openwall.com/lists/oss-security/2024/07/09/1nvdPatch
- www.openwall.com/lists/oss-security/2024/07/10/5nvdPatch
- www.openwall.com/lists/oss-security/2024/07/10/7nvdPatch
- www.openwall.com/lists/oss-security/2024/07/10/8nvdPatch
- www.openwall.com/lists/oss-security/2024/07/11/4nvdPatch
- www.openwall.com/lists/oss-security/2024/07/11/5nvdPatch
- www.openwall.com/lists/oss-security/2024/07/11/7nvdPatch
- www.openwall.com/lists/oss-security/2024/07/12/3nvdPatch
- www.openwall.com/lists/oss-security/2024/07/13/2nvdPatch
- www.openwall.com/lists/oss-security/2024/07/13/7nvdPatch
- www.openwall.com/lists/oss-security/2024/07/15/1nvdPatch
- www.openwall.com/lists/oss-security/2024/07/15/2nvdPatch
- www.openwall.com/lists/oss-security/2024/07/16/1nvdPatch
- www.openwall.com/lists/oss-security/2024/07/16/2nvdPatch
- www.openwall.com/lists/oss-security/2024/07/29/2nvdPatch
- www.openwall.com/lists/oss-security/2024/07/30/2nvdPatch
- git.kernel.org/stable/c/4ef9ad19e17676b9ef071309bc62020e2373705dnvdPatch
- git.kernel.org/stable/c/6ea9aa8d97e6563676094cb35755884173269555nvdPatch
- git.kernel.org/stable/c/7432376c913381c5f24d373a87ff629bbde94b47nvdPatch
- git.kernel.org/stable/c/87632bc9ecff5ded93433bc0fca428019bdd1cfenvdPatch
- zolutal.github.io/aslrnt/nvdPatch
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