CVE-2020-29369

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Source
https://cve.org/CVERecord?id=CVE-2020-29369
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-29369.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2020-29369
Downstream
Related
Published
2020-11-28T07:15:11.537Z
Modified
2026-03-20T11:36:43.640385Z
Severity
  • 7.0 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

An issue was discovered in mm/mmap.c in the Linux kernel before 5.7.11. There is a race condition between certain expand functions (expanddownwards and expandupwards) and page-table free operations from an munmap call, aka CID-246c320a8cfe.

References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
246c320a8cfe0b11d81a4af38fa9985ef0cc9a4c
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
246c320a8cfe0b11d81a4af38fa9985ef0cc9a4c

Database specific

unresolved_ranges 
[
    {
        "events": [
            {
                "introduced": "4.20"
            },
            {
                "fixed": "5.4.54"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "5.5"
            },
            {
                "fixed": "5.7.11"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "fixed": "5.7.11"
            }
        ]
    }
]
source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-29369.json"