CVE-2022-24122

mediumpriority · track · 41EPSS 0.010 · 63 %ileexploit · PoCEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

1.01% (63rd) EPSS

CVSS 6.9 · medium

Is it mine?

17 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

kernel/ucount.c in the Linux kernel 5.14 through 5.16.4, when unprivileged user namespaces are enabled, allows a use-after-free and privilege escalation because a ucounts object can outlive its namespace.

cvss

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.8

v2.06.9mediumAV:L/AC:M/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 3.4 · impact 10

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9

v3.17.8highAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.17.4highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Psecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-416USprimaryCWE-416US

exploits (1)

Public proof-of-concept and weaponised exploit code.

meowmeowxw/CVE-2022-24122CVE-2022-24122 Proof of ConceptPoC · poc_in_github

affected products (17)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
АО «НППКТ» ОСОН ОСнова Оnyx≤ 2.7fstec_bduRU
ООО «Ред Софт» РЕД ОС≤ 7.3fstec_bduRU
Сообщество свободного программного обеспечения Linux5.14 → 5.15.18fstec_bduRU
Сообщество свободного программного обеспечения Linux5.16.0 → 5.16.4fstec_bduRU
fedoraproject fedora= 34nvdUScpe:2.3:o:fedoraproject:fedora:*:*:*:*:*:*:*:*
fedoraproject fedora= 35nvdUScpe:2.3:o:fedoraproject:fedora:*:*:*:*:*:*:*:*
linux linux kernel5.14 → 5.15.19nvdUScpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linux linux kernel5.16 → 5.16.5nvdUScpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
netapp h300e firmwareall versionsnvdUScpe:2.3:o:netapp:h300e_firmware:*:*:*:*:*:*:*:*
netapp h300s firmwareall versionsnvdUScpe:2.3:o:netapp:h300s_firmware:*:*:*:*:*:*:*:*
netapp h410c firmwareall versionsnvdUScpe:2.3:o:netapp:h410c_firmware:*:*:*:*:*:*:*:*
netapp h410s firmwareall versionsnvdUScpe:2.3:o:netapp:h410s_firmware:*:*:*:*:*:*:*:*
netapp h500e firmwareall versionsnvdUScpe:2.3:o:netapp:h500e_firmware:*:*:*:*:*:*:*:*
netapp h500s firmwareall versionsnvdUScpe:2.3:o:netapp:h500s_firmware:*:*:*:*:*:*:*:*
netapp h700e firmwareall versionsnvdUScpe:2.3:o:netapp:h700e_firmware:*:*:*:*:*:*:*:*
netapp h700s firmwareall versionsnvdUScpe:2.3:o:netapp:h700s_firmware:*:*:*:*:*:*:*:*

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2022-01-29modified 2026-06-17

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+12230 more

references (20)

External citations — patches, advisories, analysis.

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