CVE-2021-33910

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Source
https://cve.org/CVERecord?id=CVE-2021-33910
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-33910.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-33910
Downstream
Related
Published
2021-07-20T19:15:09.783Z
Modified
2026-04-10T04:34:47.352892Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

basic/unit-name.c in systemd prior to 246.15, 247.8, 248.5, and 249.1 has a Memory Allocation with an Excessive Size Value (involving strdupa and alloca for a pathname controlled by a local attacker) that results in an operating system crash.

References

Affected packages

Git / github.com/systemd/systemd

Affected ranges

Type
GIT
Repo
https://github.com/systemd/systemd
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
b34a4f0e6729de292cb3b0c03c1d48f246ad896b
Type
GIT
Repo
https://github.com/systemd/systemd-stable
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
cfd14c65374027b34dbbc4f0551456c5dc2d1f61
Introduced
4d484e14bb9864cef1d124885e625f33bf31e91c
Fixed
b00674347337b7531c92fdb65590ab253bb57538
Introduced
938bdfc0fa737d86eb3ecc70506e11e5f740e0dc
Fixed
4a1c5f34bd3e1daed4490e9d97918e504d19733b
Introduced
f6278558da0304ec6b646bb172ce4688c7f162a5
Fixed
764b74113e36ac5219a4b82a05f311b5a92136ce
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
47675042c2622b96590c89d610b529e09099ce26
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
66be5eda80a334eacb83b13590fdfbabc7efe5e9
Database specific 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "fixed": "246.15"
        },
        {
            "introduced": "247"
        },
        {
            "fixed": "247.8"
        },
        {
            "introduced": "248"
        },
        {
            "fixed": "248.5"
        },
        {
            "introduced": "249"
        },
        {
            "fixed": "249.1"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "33"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "34"
        }
    ]
}

Affected versions

Other
systemd-v1
systemd-v10
systemd-v11
systemd-v12
systemd-v13
systemd-v14
systemd-v15
systemd-v16
systemd-v17
systemd-v18
systemd-v183
systemd-v184
systemd-v185
systemd-v186
systemd-v187
systemd-v188
systemd-v189
systemd-v19
systemd-v190
systemd-v191
systemd-v192
systemd-v193
systemd-v194
systemd-v195
systemd-v196
systemd-v2
systemd-v20
systemd-v21
systemd-v22
systemd-v23
systemd-v24
systemd-v25
systemd-v26
systemd-v27
systemd-v28
systemd-v29
systemd-v3
systemd-v30
systemd-v31
systemd-v32
systemd-v33
systemd-v34
systemd-v35
systemd-v36
systemd-v37
systemd-v38
systemd-v39
systemd-v4
systemd-v40
systemd-v41
systemd-v42
systemd-v43
systemd-v44
systemd-v5
systemd-v6
systemd-v7
systemd-v8
systemd-v9
v1
v10
v11
v12
v13
v14
v15
v16
v17
v18
v183
v184
v185
v186
v187
v188
v189
v19
v190
v191
v192
v193
v194
v195
v196
v197
v198
v199
v2
v20
v200
v201
v202
v203
v204
v205
v206
v207
v208
v209
v21
v210
v211
v212
v213
v214
v215
v216
v217
v218
v219
v22
v220
v221
v222
v223
v224
v225
v226
v227
v228
v229
v23
v230
v231
v232
v233
v234
v235
v236
v237
v238
v239
v24
v240
v241
v241-rc1
v241-rc2
v242
v242-rc1
v242-rc2
v242-rc3
v242-rc4
v243
v243-rc1
v243-rc2
v244
v244-rc1
v245
v245-rc1
v245-rc2
v246
v246-rc1
v246-rc2
v247
v247-rc1
v247-rc2
v248
v248-2
v248-rc1
v248-rc2
v248-rc3
v248-rc4
v249
v249-rc1
v249-rc2
v249-rc3
v25
v26
v27
v28
v29
v3
v30
v31
v32
v33
v34
v35
v36
v37
v38
v39
v4
v40
v41
v42
v43
v44
v5
v6
v7
v8
v9
v246.*
v246.1
v246.10
v246.11
v246.12
v246.13
v246.14
v246.2
v246.3
v246.4
v246.5
v246.6
v246.7
v246.8
v246.9
v247.*
v247.1
v247.2
v247.3
v247.4
v247.5
v247.6
v247.7
v248.*
v248.1
v248.2
v248.3
v248.4

Database specific

unresolved_ranges 
[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "10.0"
            }
        ]
    }
]
source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-33910.json"