Vulnerability in Mariadb
CVE-2022-38791
In MariaDB before 10.9.2, compress_write in extra/mariabackup/ds_compress.cc does not release data_mutex upon a stream write failure, which allows local users to trigger a deadlock.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.003 (14.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 15th percentile — 14.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Mariadb — versions 10.9.1
- Fedoraproject Fedora — versions 35, 36, 37
Weakness classification (CWE)
References
- jira.mariadb.org/browse/MDEV-28719 (Issue Tracking, Vendor Advisory)
- security.netapp.com/advisory/ntap-20221104-0008/ (Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
Frequently asked questions
- What is CVE-2022-38791?
- CVE-2022-38791 is a medium-severity vulnerability in Mariadb, classified under Improper Locking. CVSS score: 5.5/10. Published 2022-08-27.
- How severe is CVE-2022-38791?
- Medium severity. CVSS v3 base score is 5.5 out of 10.