mm: huge_memory: don't force huge page alignment on 32 bit

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Summary

CVECVE-2024-26621
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2024-03-02 22:15:50 UTC
Updated2026-08-04 11:16:49 UTC
DescriptionIn 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/

Risk And Classification

Primary CVSS: v3.1 5.5 MEDIUM from [email protected]

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Problem Types: NVD-CWE-noinfo

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary5.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
3.1416baaa9-dc9f-4396-8d5f-8c081fb06d67Secondary8.2HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L
3.1CNADECLARED8.2HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 1854bc6e2420472676c5c90d3d6b15f6cd640e40 87632bc9ecff5ded93433bc0fca428019bdd1cfe git Not specified
CNA Linux Linux affected 1854bc6e2420472676c5c90d3d6b15f6cd640e40 6ea9aa8d97e6563676094cb35755884173269555 git Not specified
CNA Linux Linux affected 1854bc6e2420472676c5c90d3d6b15f6cd640e40 7432376c913381c5f24d373a87ff629bbde94b47 git Not specified
CNA Linux Linux affected 1854bc6e2420472676c5c90d3d6b15f6cd640e40 4ef9ad19e17676b9ef071309bc62020e2373705d git Not specified
CNA Linux Linux affected 5.18 Not specified
CNA Linux Linux unaffected 5.18 semver Not specified
CNA Linux Linux unaffected 6.1.81 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.46 6.6.* semver Not specified
CNA Linux Linux unaffected 6.7.6 6.7.* semver Not specified
CNA Linux Linux unaffected 6.8 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
www.openwall.com/lists/oss-security/2024/07/30/2 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Patch
www.openwall.com/lists/oss-security/2024/07/10/7 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Patch
www.openwall.com/lists/oss-security/2024/07/09/1 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Patch
www.openwall.com/lists/oss-security/2024/07/12/3 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Patch
git.kernel.org/stable/c/4ef9ad19e17676b9ef071309bc62020e2373705d af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
www.openwall.com/lists/oss-security/2024/07/10/5 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Patch
www.openwall.com/lists/oss-security/2024/07/29/2 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Patch
www.openwall.com/lists/oss-security/2024/07/15/2 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Patch
www.openwall.com/lists/oss-security/2024/07/15/1 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Patch
www.openwall.com/lists/oss-security/2024/07/08/8 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Patch
zolutal.github.io/aslrnt af854a3a-2127-422b-91ae-364da2661108 zolutal.github.io Patch
www.openwall.com/lists/oss-security/2024/07/08/6 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Patch
www.openwall.com/lists/oss-security/2024/07/08/7 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Patch
www.openwall.com/lists/oss-security/2024/07/08/4 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Patch
www.openwall.com/lists/oss-security/2024/07/13/7 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Patch
git.kernel.org/stable/c/87632bc9ecff5ded93433bc0fca428019bdd1cfe af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/7432376c913381c5f24d373a87ff629bbde94b47 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
www.openwall.com/lists/oss-security/2024/07/08/5 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Patch
www.openwall.com/lists/oss-security/2024/07/11/7 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Patch
git.kernel.org/stable/c/6ea9aa8d97e6563676094cb35755884173269555 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
www.openwall.com/lists/oss-security/2024/07/16/1 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Patch
www.openwall.com/lists/oss-security/2024/07/08/3 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Patch
www.openwall.com/lists/oss-security/2024/07/11/5 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Patch
www.openwall.com/lists/oss-security/2024/07/16/2 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Patch
www.openwall.com/lists/oss-security/2024/07/11/4 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Patch
www.openwall.com/lists/oss-security/2024/07/10/8 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Patch
www.openwall.com/lists/oss-security/2024/07/13/2 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Patch
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Legacy QID Mappings

  • 6000567 Debian Security Update for linux (DSA 5658-1)

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