CVE-2020-25285

mediumpriority · track · 26EPSS 0.003 · 19 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.27% (19th) EPSS

CVSS 4.4 · medium

Is it mine?

63 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · osv

EPSS · scored 2026-10-27

A race condition between hugetlb sysctl handlers in mm/hugetlb.c in the Linux kernel before 5.8.8 could be used by local attackers to corrupt memory, cause a NULL pointer dereference, or possibly have unspecified other impact, aka CID-17743798d812.

cvss

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

6.4

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.4mediumAV:L/AC:M/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 3.4 · impact 6.4

v3.16.4mediumCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 0.5 · impact 5.9

v3.16.4mediumAV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.15.9mediumCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-362USprimaryCWE-476USprimaryCWE-787USprimaryCWE-362USCWE-476USCWE-787US

affected products (63)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
Canonical Ltd. Ubuntu≤ 16.04 LTSfstec_bduRU
Canonical Ltd. Ubuntu≤ 18.04 LTSfstec_bduRU
Canonical Ltd. Ubuntu≤ 14.04 ESMfstec_bduRU
Canonical Ltd. Ubuntu≤ 20.04 LTSfstec_bduRU
Novell Inc. OpenSUSE Leap≤ 15.2fstec_bduRU
Novell Inc. OpenSUSE Leap≤ 15.1fstec_bduRU
Novell Inc. SUSE Linux Enterprise High Availability≤ 12 SP5fstec_bduRU
Novell Inc. SUSE Linux Enterprise High Availability≤ 15 SP2fstec_bduRU
Novell Inc. SUSE Linux Enterprise High Availability≤ 15 SP1fstec_bduRU
Novell Inc. SUSE Linux Enterprise High Availability≤ 15fstec_bduRU
Novell Inc. SUSE Linux Enterprise High Availability≤ 12 SP4fstec_bduRU
Novell Inc. SUSE Linux Enterprise High Performance Computing≤ 15-ESPOSfstec_bduRU
Novell Inc. SUSE Linux Enterprise High Performance Computing≤ 15-LTSSfstec_bduRU
Novell Inc. SUSE Linux Enterprise Live Patching≤ 12 SP4fstec_bduRU
Novell Inc. SUSE Linux Enterprise Live Patching≤ 12 SP5fstec_bduRU
Novell Inc. SUSE Linux Enterprise Module for Basesystem≤ 15 SP2fstec_bduRU
Novell Inc. SUSE Linux Enterprise Module for Basesystem≤ 15 SP1fstec_bduRU
Novell Inc. SUSE Linux Enterprise Module for Development Tools≤ 15 SP2fstec_bduRU
Novell Inc. SUSE Linux Enterprise Module for Development Tools≤ 15 SP1fstec_bduRU

showing 20 of 63

advisories (1)

Vendor and ecosystem advisories describing this.

PUB-A-1688810442021-10-01vendor · osvUS
In hugetlb_sysctl_handler_common and related functions of hugetlb.c, there is a possible out of bounds write due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu osv NVD CVE.org MITRE

published 2020-09-13modified 2026-06-17

related (28,787)

Related entries.

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+28782 more

references (52)

External citations — patches, advisories, analysis.

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