CVE-2023-32629

highpriority · track · 44OT risk · elevatedEPSS 0.088 · 95 %ileexploit · functionalDEEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

6 exploits · functional

Likely / severe?

8.83% (95th) EPSS

CVSS 7.8 · high

Is it mine?

7 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

Local privilege escalation vulnerability in Ubuntu Kernels overlayfs ovl_copy_up_meta_inode_data skip permission checks when calling ovl_do_setxattr on Ubuntu kernels

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

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

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · security@ubuntu.comexploitability 1.8 · impact 5.9

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-863USprimaryCWE-863US

exploits (6)

Public proof-of-concept and weaponised exploit code.

exploit/linux/local/gameoverlay_privescGameOver(lay) Privilege Escalation and Container Escapefunctional · metasploit
ThrynSec/CVE-2023-32629-CVE-2023-2640---POC-EscalationUbuntu Privilege Escalation bash one-liner using CVE-2023-32629 & CVE-2023-2640PoC · poc_in_github
h3raklez/CVE-2023-32629OverlayFS Local Privilege Escalation - Full write-up to full escalationPoC · poc_in_github
k4but0/Ubuntu-LPEOne-Liner CVE-2023-32629/CVE-2023-2640 Ubuntu Privilege EscalationPoC · poc_in_github
kaotickj/Check-for-CVE-2023-32629-GameOver-layCheck for CVE-2023-32629 "GameOver(lay)" vulnerability PoC · poc_in_github
xS9NTX/CVE-2023-32629-CVE-2023-2640-Ubuntu-Privilege-Escalation-POCCVE-2023-32629 & CVE-2023-2640 Ubuntu Privilege Escalation POCPoC · poc_in_github

affected products (7)

Products and version ranges known to be affected.

Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
Ubuntu Linux Kernelall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:kernel
Canonical Ltd. Ubuntu≤ 23.04fstec_bduRU
ООО «РусБИТех-Астра» Astra Linux Special Edition≤ 1.8fstec_bduRU
ООО «РусБИТех-Астра» Astra Linux Special Edition≤ 1.7fstec_bduRU
ООО «РусБИТех-Астра» Astra Linux Special Edition для «Эльбрус»≤ 8.1 «Ленинград»fstec_bduRU
canonical ubuntu linux= 23.04nvdUScpe:2.3:o:canonical:ubuntu_linux:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-1903Ubuntu Linux: Mehrere SchwachstellenDeutsch2023-07-26csaf · cert_bundDE
Ein lokaler Angreifer kann mehrere Schwachstellen im Ubuntu Linux Kernel ausnutzen, um Sicherheitsvorkehrungen zu umgehen und seine Rechte zu erhöhen.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund nvd NVD CVE.org MITRE

published 2023-07-26modified 2026-06-17

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+5006 more

references (19)

External citations — patches, advisories, analysis.

scry

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