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CVE-2021-33910

CVE-2021-33910

This page contains facts from public vulnerability sources. Check the original advisory before updating.

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.

CVSS 5.5 · Medium · EPSS 8.8% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • n/a

    Versions
    • n/a: Affected

    No fix published

  • systemd Debian:12

    Affected ranges
    • ECOSYSTEM: < 247.3-6

    Update to 247.3-6

  • systemd Debian:13

    Affected ranges
    • ECOSYSTEM: < 247.3-6

    Update to 247.3-6

  • systemd Debian:14

    Affected ranges
    • ECOSYSTEM: < 247.3-6

    Update to 247.3-6

  • systemd Ubuntu:Pro:16.04:LTS

    Versions
    • 225-1ubuntu9
    • 227-2ubuntu1
    • 227-2ubuntu2
    • 228-1ubuntu2
    • 228-2ubuntu1
    • 228-2ubuntu2
    • 228-3ubuntu1
    • 228-4ubuntu1
    • 228-4ubuntu2
    • 228-5ubuntu1
    • 228-5ubuntu2
    • 228-5ubuntu3
    • 228-6ubuntu1
    • 229-1ubuntu2
    • 229-1ubuntu4
    • 229-2ubuntu1
    • 229-3ubuntu1
    • 229-3ubuntu2
    • 229-4ubuntu1
    • 229-4ubuntu4
    • 229-4ubuntu5
    • 229-4ubuntu6
    • 229-4ubuntu7
    • 229-4ubuntu8
    • 229-4ubuntu10
    • 229-4ubuntu11
    • 229-4ubuntu12
    • 229-4ubuntu13
    • 229-4ubuntu16
    • 229-4ubuntu17
    • 229-4ubuntu19
    • 229-4ubuntu20
    • 229-4ubuntu21
    • 229-4ubuntu21.1
    • 229-4ubuntu21.2
    • 229-4ubuntu21.3
    • 229-4ubuntu21.4
    • 229-4ubuntu21.5
    • 229-4ubuntu21.6
    • 229-4ubuntu21.8
    • 229-4ubuntu21.9
    • 229-4ubuntu21.10
    • 229-4ubuntu21.15
    • 229-4ubuntu21.16
    • 229-4ubuntu21.17
    • 229-4ubuntu21.19
    • 229-4ubuntu21.21
    • 229-4ubuntu21.22
    • 229-4ubuntu21.23
    • 229-4ubuntu21.27
    • 229-4ubuntu21.28
    • 229-4ubuntu21.29
    • 229-4ubuntu21.31
    Affected ranges
    • ECOSYSTEM: < 229-4ubuntu21.31+esm1

    Update to 229-4ubuntu21.31+esm1

  • systemd Ubuntu:18.04:LTS

    Versions
    • 234-2ubuntu12
    • 235-2ubuntu3
    • 235-3ubuntu2
    • 235-3ubuntu3
    • 237-3ubuntu3
    • 237-3ubuntu4
    • 237-3ubuntu6
    • 237-3ubuntu7
    • 237-3ubuntu8
    • 237-3ubuntu10
    • 237-3ubuntu10.2
    • 237-3ubuntu10.3
    • 237-3ubuntu10.4
    • 237-3ubuntu10.6
    • 237-3ubuntu10.9
    • 237-3ubuntu10.11
    • 237-3ubuntu10.12
    • 237-3ubuntu10.13
    • 237-3ubuntu10.15
    • 237-3ubuntu10.17
    • 237-3ubuntu10.19
    • 237-3ubuntu10.20
    • 237-3ubuntu10.21
    • 237-3ubuntu10.22
    • 237-3ubuntu10.23
    • 237-3ubuntu10.24
    • 237-3ubuntu10.25
    • 237-3ubuntu10.26
    • 237-3ubuntu10.28
    • 237-3ubuntu10.29
    • 237-3ubuntu10.31
    • 237-3ubuntu10.33
    • 237-3ubuntu10.38
    • 237-3ubuntu10.39
    • 237-3ubuntu10.40
    • 237-3ubuntu10.41
    • 237-3ubuntu10.42
    • 237-3ubuntu10.43
    • 237-3ubuntu10.44
    • 237-3ubuntu10.45
    • 237-3ubuntu10.46
    • 237-3ubuntu10.47
    • 237-3ubuntu10.48
    Affected ranges
    • ECOSYSTEM: < 237-3ubuntu10.49

    Update to 237-3ubuntu10.49

  • systemd Ubuntu:20.04:LTS

    Versions
    • 242-7ubuntu3
    • 243-2ubuntu1
    • 243-3ubuntu1
    • 244-3ubuntu1
    • 244.1-0ubuntu2
    • 244.1-0ubuntu3
    • 244.2-1ubuntu1
    • 244.3-1ubuntu1
    • 245.2-1ubuntu1
    • 245.2-1ubuntu2
    • 245.4-2ubuntu1
    • 245.4-4ubuntu1
    • 245.4-4ubuntu3
    • 245.4-4ubuntu3.1
    • 245.4-4ubuntu3.2
    • 245.4-4ubuntu3.3
    • 245.4-4ubuntu3.4
    • 245.4-4ubuntu3.5
    • 245.4-4ubuntu3.6
    • 245.4-4ubuntu3.7
    Affected ranges
    • ECOSYSTEM: < 245.4-4ubuntu3.10

    Update to 245.4-4ubuntu3.10

Original sources

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