CVE-2020-29368

An issue was discovered in __split_huge_pmd in mm/huge_memory.c in the Linux kernel before 5.7.5. The copy-on-write implementation can grant unintended write access because of a race condition in a THP mapcount check, aka CID-c444eb564fb1.

References

Affected packages

Git /

Affected ranges

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-29368.json"

unresolved_ranges

[
    {
        "events":  [
            {
                "introduced":  "4.5.5"
            },
            {
                "fixed":  "4.9.228"
            }
        ]
    },
    {
        "events":  [
            {
                "introduced":  "4.10"
            },
            {
                "fixed":  "4.14.185"
            }
        ]
    },
    {
        "events":  [
            {
                "introduced":  "4.15"
            },
            {
                "fixed":  "4.19.129"
            }
        ]
    },
    {
        "events":  [
            {
                "introduced":  "4.20"
            },
            {
                "fixed":  "5.4.48"
            }
        ]
    },
    {
        "events":  [
            {
                "introduced":  "5.5"
            },
            {
                "fixed":  "5.7.5"
            }
        ]
    }
]