CVE-2022-31623

MariaDB Server before 10.7 is vulnerable to Denial of Service. In extra/mariabackup/dscompress.cc, when an error occurs (i.e., going to the err label) while executing the method createworkerthreads, the held lock thd->ctrlmutex is not released correctly, which allows local users to trigger a denial of service due to the deadlock. Note: The vendor argues this is just an improper locking bug and not a vulnerability with adverse effects.

References

Affected packages

Git / github.com/mariadb/server

Affected ranges

Type

GIT

Repo

https://github.com/mariadb/server

Events

Introduced

Fixed

e2b50213cf12623da31c8b49be4d40772876223c

Introduced

20ae591abd0bfe1bfaee546989ee163f4ef832b1

Fixed

41a163ac5ccf4ac5394edc84e40b3f47acea6b08

Introduced

c761b43451d54eeeecdf3c102906fcce88d4e9d9

Fixed

c04a203a10e282e1f33fd04d8a1b7ff0b076bce5

Introduced

7c7f9bef28aa566557da31402142f6dd8298ddd2

Fixed

ad3ac55641f18172807b13423353f01377f76e6e

Introduced

1a647b700f6b72dc97211510a5d0c647d5d3d911

Fixed

4ffffd98a5ac89b78954aaa2197b40850ade4191

Introduced

Fixed

cb1316b8d213aded32aa2c1a98271eede179146d

Fixed

7c30bc38a588b22b01f11130cfe99e7f36accf94

Database specific

{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "fixed": "10.2.42"
        },
        {
            "introduced": "10.3.0"
        },
        {
            "fixed": "10.3.33"
        },
        {
            "introduced": "10.4.0"
        },
        {
            "fixed": "10.4.23"
        },
        {
            "introduced": "10.5.0"
        },
        {
            "fixed": "10.5.14"
        },
        {
            "introduced": "10.6.0"
        },
        {
            "fixed": "10.6.6"
        },
        {
            "introduced": "10.7.0"
        },
        {
            "fixed": "10.7.2"
        }
    ]
}

Affected versions

mariadb-10.*

mariadb-10.1.0

mariadb-10.1.2

mariadb-10.1.3

mariadb-10.1.4

mariadb-10.1.5

mariadb-10.1.6

mariadb-10.1.7

mariadb-10.1.8

mariadb-10.2.0

mariadb-10.2.1

mariadb-10.2.10

mariadb-10.2.11

mariadb-10.2.12

mariadb-10.2.13

mariadb-10.2.14

mariadb-10.2.15

mariadb-10.2.16

mariadb-10.2.18

mariadb-10.2.19

mariadb-10.2.2

mariadb-10.2.20

mariadb-10.2.21

mariadb-10.2.22

mariadb-10.2.23

mariadb-10.2.24

mariadb-10.2.25

mariadb-10.2.26

mariadb-10.2.27

mariadb-10.2.28

mariadb-10.2.29

mariadb-10.2.30

mariadb-10.2.31

mariadb-10.2.39

mariadb-10.2.40

mariadb-10.2.5

mariadb-10.3.0

mariadb-10.3.1

mariadb-10.3.10

mariadb-10.3.12

mariadb-10.3.16

mariadb-10.3.17

mariadb-10.3.18

mariadb-10.3.19

mariadb-10.3.2

mariadb-10.3.20

mariadb-10.3.21

mariadb-10.3.26

mariadb-10.3.30

mariadb-10.3.31

mariadb-10.3.4

mariadb-10.3.5

mariadb-10.3.6

mariadb-10.3.7

mariadb-10.4.10

mariadb-10.4.11

mariadb-10.4.20

mariadb-10.4.21

mariadb-10.4.22

mariadb-10.4.3

mariadb-10.4.4

mariadb-10.4.5

mariadb-10.4.7

mariadb-10.4.9

mariadb-10.5.0

mariadb-10.5.11

mariadb-10.5.12

mariadb-10.5.13

mariadb-10.5.2

mariadb-10.5.4

mariadb-10.6.0

mariadb-10.6.1

mariadb-10.6.2

mariadb-10.6.3

mariadb-10.6.4

mariadb-10.6.5

mariadb-10.7.1

Database specific

vanir_signatures_modified

"2026-04-10T15:43:43Z"

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-31623.json"

vanir_signatures

[
    {
        "target": {
            "file": "extra/mariabackup/ds_compress.cc"
        },
        "signature_version": "v1",
        "deprecated": false,
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "45736158323606631393843367927736220633",
                "93471142310599807551645809224939903288",
                "138029886734697127086017542047545411667",
                "318526583337485113219599587800360140929"
            ]
        },
        "id": "CVE-2022-31623-415829a6",
        "source": "https://github.com/mariadb/server/commit/7c30bc38a588b22b01f11130cfe99e7f36accf94",
        "signature_type": "Line"
    },
    {
        "target": {
            "function": "create_worker_threads",
            "file": "extra/mariabackup/ds_compress.cc"
        },
        "signature_version": "v1",
        "deprecated": false,
        "digest": {
            "length": 1124.0,
            "function_hash": "198486781574490766518975046494396902027"
        },
        "id": "CVE-2022-31623-5487115d",
        "source": "https://github.com/mariadb/server/commit/7c30bc38a588b22b01f11130cfe99e7f36accf94",
        "signature_type": "Function"
    }
]