CVE-2023-32629

moderate-risk
Published 2023-07-26

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

Do I need to act?

!
62.8% chance of exploitation in next 30 days
EPSS score — higher than 37% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.8/10 High
LOCAL / LOW complexity

Affected Products (1)

Affected Vendors

Canonical

References (10)

http://packetstormsecurity.com/files/174577/Kernel-Live-Patch-Security-Notice-LS...
Third Party Advisory https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-32629
Mailing List https://lists.ubuntu.com/archives/kernel-team/2023-July/140920.html
Vendor Advisory https://ubuntu.com/security/notices/USN-6250-1
Exploit https://wiz.io/blog/ubuntu-overlayfs-vulnerability
http://packetstormsecurity.com/files/174577/Kernel-Live-Patch-Security-Notice-LS...
Third Party Advisory https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-32629
Mailing List https://lists.ubuntu.com/archives/kernel-team/2023-July/140920.html
Vendor Advisory https://ubuntu.com/security/notices/USN-6250-1
Exploit https://wiz.io/blog/ubuntu-overlayfs-vulnerability
48
/ 100
moderate-risk
Severity 24/34 · High
Exploitability 19/34 · Moderate
Exposure 5/34 · Minimal