CVE-2021-20265

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Source
https://cve.org/CVERecord?id=CVE-2021-20265
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-20265.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-20265
Downstream
Related
Published
2021-03-10T16:15:16.610Z
Modified
2026-03-19T04:22:08.484448Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

A flaw was found in the way memory resources were freed in the unixstreamrecvmsg function in the Linux kernel when a signal was pending. This flaw allows an unprivileged local user to crash the system by exhausting available memory. The highest threat from this vulnerability is to system availability.

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
fa0dc04df259ba2df3ce1920e9690c7842f8fa4b
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
fa0dc04df259ba2df3ce1920e9690c7842f8fa4b

Database specific

unresolved_ranges 
[
    {
        "events": [
            {
                "introduced": "7.4.0"
            },
            {
                "last_affected": "7.7.1"
            }
        ]
    }
]
source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-20265.json"