CVE-2022-27447: debian debian_linux Use After Free
CVSS: 7.5v3.1HighModified
AliasesALPINE-CVE-2022-27447UBUNTU-CVE-2022-27447DEBIAN-CVE-2022-27447
Published 14-04-2022Last modified 03-08-2024
Vulnerability summary
CVE-2022-27447 is a high (CVSS 7.5) Use After Free vulnerability in debian debian_linux. EPSS estimates a 2.25% chance of exploitation in the next 30 days, higher than 82.6% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
2.25%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Advisory lineage
Upstream 0 · Downstream 14 · Duplicates 1 · Related 6Timeline
- 14-04-2022PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
MariaDB Server v10.9 and below was discovered to contain a use-after-free via the component Binary_string::free_buffer() at /sql/sql_string.h.
CVSS metrics
5 scores · 4 sources · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 4 agree
- OSV · AlpineEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
2.25%
Chance of exploitation in the next 30 days
Percentile
83%
Versus all other CVEs
30-day change
0.00 pp
From 2.25% on 19-09-2026
19-09-202619-10-2026
EPSS score2.25%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (jira.mariadb.org)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Ubuntu3 products
- mariadb-10.1All versions (No fix recorded)
- mariadb-10.3< 1:10.3.37-0ubuntu0.20.04.1
- mariadb-10.6< 1:10.6.11-0ubuntu0.22.04.1
Debian2 products
- mariadb-10.5< 1:10.5.18-0+deb11u1
- debian_linuxEOL10.0
Alpine1 product
- mariadb≥ 10.3.0, < 10.4.25-r0 | ≥ 10.3.0, < 10.5.16-r0 | ≥ 10.3.0, < 10.6.8-r0
Mariadb1 product
- mariadb≥ 10.3.0, < 10.3.35 | ≥ 10.4.0, < 10.4.25 | ≥ 10.5.0, < 10.5.16 | ≥ 10.6.0, < 10.6.8 | ≥ 10.7.0, < 10.7.4
4 vendors · 7 products
References
9 links
lists.debian.org/debian-lts-announce/2022/09/msg00023.htmlMailing ListX Refsource MLISTThird Party Advisory