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Ubuntu: (CVE-2024-26621): linux-raspi-realtime vulnerability

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Ubuntu: (CVE-2024-26621): linux-raspi-realtime vulnerability

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
03/02/2024
Created
02/12/2025
Added
02/11/2025
Modified
02/11/2025

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/

Solution(s)

  • ubuntu-upgrade-linux-raspi-realtime

References

  • https://attackerkb.com/topics/cve-2024-26621
  • CVE - 2024-26621
  • https://git.kernel.org/linus/4ef9ad19e17676b9ef071309bc62020e2373705d
  • https://www.cve.org/CVERecord?id=CVE-2024-26621
  • https://www.openwall.com/lists/oss-security/2024/07/08/3
  • https://zolutal.github.io/aslrnt/
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