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
CVE-2023-32629
Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2023-07-26. NVD baseline CVSS 7.8; sources differ by 0.0.
- Public exploit code is available (Metasploit, epss top5pct, public exploit)
A fix is available — apply it.
- CVSS v3
- 7.8
- EG Score
- 7.8(medium)
- EG Risk
- 61(Track)EG Risk 61/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity78% × 45%Exploitation65% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 10%
- EPSS %ILE
- 95%
- 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.
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.
- UbuntuLSN-0097-1HIGH
Kernel Live Patch Security Notice
- UbuntuUSN-6248-1HIGH
Linux kernel (OEM) vulnerabilities
- UbuntuUSN-6250-1HIGH
Linux kernel vulnerabilities
- UbuntuUSN-6251-1HIGH
Linux kernel vulnerabilities
- UbuntuUSN-6260-1HIGH
Linux kernel vulnerabilities
- UbuntuUSN-6261-1HIGH
Linux kernel (IoT) vulnerabilities
- UbuntuUSN-6285-1HIGH
Linux kernel (OEM) vulnerabilities
- UbuntuUSN-8255-1HIGH
Linux kernel vulnerabilities
- UbuntuUSN-8255-2HIGH
Linux kernel (Azure) vulnerabilities
- UbuntuUSN-8255-3HIGH
Linux kernel vulnerabilities
- UbuntuUSN-8275-1HIGH
Linux kernel (Xilinx ZynqMP) vulnerabilities
- UbuntuUSN-8297-1HIGH
Linux kernel (GCP) vulnerabilities
Data Freshness Timeline
(refreshed 11× in last 7d / 44× 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.
- 2026-07-27 14:10 UTCEPSS rescore
- 2026-07-26 14:52 UTCEPSS rescore
- 2026-07-25 14:16 UTCEPSS rescore
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- 2026-07-23 14:16 UTCEPSS rescore
- 2026-07-23 14:16 UTCEPSS rescore
- 2026-07-23 02:23 UTCEG score recompute
- 2026-07-22 23:10 UTCEG score recompute
- 2026-07-22 14:06 UTCEPSS rescore
- 2026-07-21 15:23 UTCEPSS rescore
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- 2026-07-20 17:06 UTCEPSS rescore
- 2026-07-19 14:29 UTCEPSS rescore
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- 2026-07-18 10:03 UTCEPSS rescore
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- 2026-07-16 17:01 UTCEPSS rescore
- 2026-07-15 16:56 UTCEPSS rescore
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- 2026-07-15 01:58 UTCEPSS rescore
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- 2026-07-13 22:28 UTCEPSS rescore
- 2026-07-13 22:28 UTCEPSS rescore
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- 2026-07-12 05:45 UTCEPSS rescore
- 2026-07-11 08:26 UTCEPSS rescore
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- 2026-07-07 13:44 UTCEPSS rescore
- 2026-07-05 02:29 UTCEPSS rescore
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- 2026-07-02 16:59 UTCEPSS rescore
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- 2026-06-30 23:21 UTCEPSS rescore
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- 2026-06-29 14:05 UTCEPSS rescore
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- 2026-06-25 13:48 UTCEPSS rescore
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- 2026-06-24 14:04 UTCEPSS rescore
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- 2026-06-23 21:31 UTCEPSS rescore
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- 2026-06-21 14:55 UTCEPSS rescore
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- 2026-06-21 01:58 UTCEPSS rescore
- 2026-06-21 01:58 UTCEPSS rescore
- 2026-06-19 19:24 UTCEPSS rescore
- 2026-06-19 19:24 UTCEPSS rescore
- 2026-06-18 17:51 UTCEPSS rescore
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- 2026-06-13 22:59 UTCEPSS rescore
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- 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
- 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-LPEFirst 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-EscalationFirst 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-layFirst seen Aug 11, 2023
Check for CVE-2023-32629 "GameOver(lay)" vulnerability
Open source ↗ - Metasploitexploit/linux/local/gameoverlay_privesc✓ verifiedFirst seen Jul 26, 2023
GameOver(lay) Privilege Escalation and Container Escape
Open source ↗
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- CVE-2004-1018EG 10.0EPSS p97HIGH
Same CWE
10 shownCWE-863
Frequently asked(5)
What is CVE-2023-32629?
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What is the CVSS score of CVE-2023-32629?
How do I remediate CVE-2023-32629?
Dependency Blast Radius
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