CVE-2023-32629

HIGHNVD 7.87.8—Weaponized

7.8

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 v3: 7.8
EG Score: 7.8(medium)
EPSS: 94.6%
KEV: Not listed

Published

July 26, 2023

Last Modified

November 21, 2024

References (10)

security@ubuntuhttp://packetstormsecurity.com/files/174577/Kernel-Live-Patch-Security-Notice-LSN-0097-1.html
security@ubuntuhttps://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-32629
security@ubuntuhttps://lists.ubuntu.com/archives/kernel-team/2023-July/140920.html
security@ubuntuhttps://ubuntu.com/security/notices/USN-6250-1
security@ubuntuhttps://wiz.io/blog/ubuntu-overlayfs-vulnerability
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/174577/Kernel-Live-Patch-Security-Notice-LSN-0097-1.html
af854a3a-2127-422b-91ae-364da2661108https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-32629
af854a3a-2127-422b-91ae-364da2661108https://lists.ubuntu.com/archives/kernel-team/2023-July/140920.html
af854a3a-2127-422b-91ae-364da2661108https://ubuntu.com/security/notices/USN-6250-1
af854a3a-2127-422b-91ae-364da2661108https://wiz.io/blog/ubuntu-overlayfs-vulnerability

Patch Availability(12)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	linux-modules-6.0.0-1020-oem (6.0.0-1020.20) @ jammy	2026-05-24	ubuntu
ubuntu	linux-gcp-headers-6.2.0-1010 (6.2.0-1010.10) @ lunar	2026-05-24	ubuntu
ubuntu	linux-headers-generic-hwe-22.04 (5.19.0.50.22) @ jammy	2026-05-24	ubuntu
ubuntu	lowlatency-4.4 (4.4.0-168) @ xenial	2026-05-24	ubuntu
ubuntu	linux-image-iot (5.4.0.1018.16) @ focal	2026-05-24	ubuntu
ubuntu	linux-modules-extra-5.4.0-1109-gcp (5.4.0-1109.118) @ focal	2026-05-24	ubuntu
ubuntu	linux-tools-oem-22.04c (6.1.0.1019.19) @ jammy	2026-05-24	ubuntu
ubuntu	linux-virtual-hwe-20.04-edge (5.15.0.177.162) @ jammy	2026-05-24	ubuntu
ubuntu	linux-tools-azure-edge (5.15.0.1111.120~20.04.1) @ focal	2026-05-24	ubuntu
ubuntu	linux-xilinx-zynqmp-tools-5.15.0-1070 (5.15.0-1070.74) @ jammy	2026-05-24	ubuntu
ubuntu	linux-tools-raspi-nolpae (5.15.0.1100.98) @ jammy	2026-05-24	ubuntu
ubuntu	linux-tools-gcp-edge (5.15.0.1106.115~20.04.1) @ focal	2026-05-24	ubuntu

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-863Incorrect Authorization

All Vendor Advisories

(12)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 12× in last 7d / 43× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-23 21:31 UTCEPSS rescore
2026-06-23 21:31 UTCEPSS rescore
2026-06-21 14:55 UTCEPSS rescore
2026-06-21 14:55 UTCEPSS rescore
2026-06-21 01:58 UTCEPSS rescore
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2026-06-19 19:24 UTCEPSS rescore
2026-06-19 19:24 UTCEPSS rescore
2026-06-18 17:51 UTCEPSS rescore
2026-06-18 17:51 UTCEPSS rescore
2026-06-17 17:51 UTCEPSS rescore
2026-06-17 17:51 UTCEPSS rescore
2026-06-16 17:51 UTCEPSS rescore
2026-06-16 17:51 UTCEPSS rescore
2026-06-15 17:47 UTCEPSS rescore
2026-06-13 22:59 UTCEPSS rescore
2026-06-13 22:59 UTCEPSS rescore
2026-06-12 23:10 UTCEPSS rescore
2026-06-12 23:10 UTCEPSS rescore
2026-06-11 13:59 UTCEPSS rescore
2026-06-11 13:59 UTCEPSS rescore
2026-06-10 22:17 UTCEPSS rescore
2026-06-10 13:21 UTCEPSS rescore
2026-06-08 14:16 UTCEPSS rescore
2026-06-08 14:15 UTCEPSS rescore

Show 22 more

2026-06-07 15:23 UTCEPSS rescore
2026-06-07 15:23 UTCEPSS rescore
2026-06-05 22:46 UTCEPSS rescore
2026-06-05 22:46 UTCEPSS rescore
2026-06-05 06:09 UTCEPSS rescore
2026-06-05 06:09 UTCEPSS rescore
2026-06-02 20:12 UTCEPSS rescore
2026-06-02 20:12 UTCEPSS rescore
2026-06-02 20:12 UTCEPSS rescore
2026-06-01 13:51 UTCEPSS rescore
2026-06-01 13:51 UTCEPSS rescore
2026-05-29 13:43 UTCEPSS rescore
2026-05-29 13:43 UTCEPSS rescore
2026-05-28 13:43 UTCEPSS rescore
2026-05-28 13:43 UTCEPSS rescore
2026-05-27 13:39 UTCEPSS rescore
2026-05-26 13:43 UTCEPSS rescore
2026-05-26 13:43 UTCEPSS rescore
2026-05-24 20:38 UTCEG score recompute
2026-05-24 20:38 UTCVendor advisory
2026-05-24 20:38 UTCGHSA enrichment
2026-05-24 16:52 UTCEPSS rescore

Publicly available exploits

(4 references)

Working exploit code is in the public domain (1 Metasploit module) (3 GitHub PoCs). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

GitHub PoCk4but0/Ubuntu-LPE
First seen Nov 11, 2023
One-Liner CVE-2023-32629/CVE-2023-2640 Ubuntu Privilege Escalation
Open source ↗
GitHub PoCThrynSec/CVE-2023-32629-CVE-2023-2640---POC-Escalation
First seen Nov 9, 2023
Ubuntu Privilege Escalation bash one-liner using CVE-2023-32629 & CVE-2023-2640
Open source ↗
GitHub PoCkaotickj/Check-for-CVE-2023-32629-GameOver-lay
First seen Aug 11, 2023
Check for CVE-2023-32629 "GameOver(lay)" vulnerability
Open source ↗
Metasploitexploit/linux/local/gameoverlay_privesc✓ verified
First seen Jul 26, 2023
GameOver(lay) Privilege Escalation and Container Escape
Open source ↗

Frequently asked(5)

What is CVE-2023-32629?

CVE-2023-32629 is a high vulnerability published on July 26, 2023. Local privilege escalation vulnerability in Ubuntu Kernels overlayfs ovlcopyupmetainodedata skip permission checks when calling ovldo_setxattr on Ubuntu kernels

When was CVE-2023-32629 disclosed?

CVE-2023-32629 was first published in the National Vulnerability Database on July 26, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-32629 actively exploited?

CVE-2023-32629 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 94.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-32629?

CVE-2023-32629 has a CVSS v3 base score of 7.8 (NVD).

How do I remediate CVE-2023-32629?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-32629, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2023-32629

Published

Last Modified

References (10)

Patch Availability(12)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Publicly available exploits

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-32629?

Same vendor

Same CWE

CVE-2023-32629

📅 Published

🔄 Last Modified

🔗 References (10)

Patch Availability(12)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-32629?

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References (10)

Frequently asked(5)

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