# CVE-2023-2602: libcap2: A vulnerability was found in the pthread_create() function in libcap

CVE-2023-2602 is fixed in 8 products on 1 platform, first by libcap2 1:2.32-1ubuntu0.1, released May 14, 2023. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2023-2602
- Priority: Routine
- CVSS: 3.3 (low)
- EPSS: 0.0035
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: May 14, 2023

## Description

A vulnerability was found in the pthread_create() function in libcap. This issue may allow a malicious actor to use cause __real_pthread_create() to return an error, which can exhaust the process memory.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libcap RHEL 8 | 0:2.48-5.el8_8 | [RHSA-2023:4524](https://patchblox.com/security/data/fix/linux/rhsa-2023-4524.md) | Aug 8, 2023 |
| Linux | libcap RHEL 9 | 0:2.48-9.el9_2 | [RHSA-2023:5071](https://patchblox.com/security/data/fix/linux/rhsa-2023-5071.md) | Sep 12, 2023 |
| Linux | libcap almalinux 8 | 2.48-5.el8_8 | [ALSA-2023:4524](https://patchblox.com/security/data/fix/linux/alsa-2023-4524.md) | Aug 8, 2023 |
| Linux | libcap almalinux 9 | 2.48-9.el9_2 | [ALSA-2023:5071](https://patchblox.com/security/data/fix/linux/alsa-2023-5071.md) | Sep 12, 2023 |
| Linux | libcap amzn 2023 | 2.48-2.amzn2023.0.3 | [ALAS2023-2023-195](https://patchblox.com/security/data/fix/linux/alas2023-2023-195.md) | Jun 5, 2023 |
| Linux | libcap ol 8 | 0:2.48-5.el8_8 | [ELSA-2023-4524](https://patchblox.com/security/data/fix/linux/elsa-2023-4524.md) | Aug 9, 2023 |
| Linux | libcap ol 9 | 0:2.48-9.el9_2 | [ELSA-2023-5071](https://patchblox.com/security/data/fix/linux/elsa-2023-5071.md) | Sep 13, 2023 |
| Linux | libcap rocky 8 | 0:2.48-5.el8_8 | [RLSA-2023:4524](https://patchblox.com/security/data/fix/linux/rlsa-2023-4524.md) | Aug 24, 2023 |
| Linux | libcap-debuginfo amzn 2023 | 2.48-2.amzn2023.0.3 | [ALAS2023-2023-195](https://patchblox.com/security/data/fix/linux/alas2023-2023-195.md) | Jun 5, 2023 |
| Linux | libcap-debugsource amzn 2023 | 2.48-2.amzn2023.0.3 | [ALAS2023-2023-195](https://patchblox.com/security/data/fix/linux/alas2023-2023-195.md) | Jun 5, 2023 |
| Linux | libcap-devel RHEL 8 | 0:2.48-5.el8_8 | [RHSA-2023:4524](https://patchblox.com/security/data/fix/linux/rhsa-2023-4524.md) | Aug 8, 2023 |
| Linux | libcap-devel RHEL 9 | 0:2.48-9.el9_2 | [RHSA-2023:5071](https://patchblox.com/security/data/fix/linux/rhsa-2023-5071.md) | Sep 12, 2023 |
| Linux | libcap-devel almalinux 8 | 2.48-5.el8_8 | [ALSA-2023:4524](https://patchblox.com/security/data/fix/linux/alsa-2023-4524.md) | Aug 8, 2023 |
| Linux | libcap-devel almalinux 9 | 2.48-9.el9_2 | [ALSA-2023:5071](https://patchblox.com/security/data/fix/linux/alsa-2023-5071.md) | Sep 12, 2023 |
| Linux | libcap-devel amzn 2023 | 2.48-2.amzn2023.0.3 | [ALAS2023-2023-195](https://patchblox.com/security/data/fix/linux/alas2023-2023-195.md) | Jun 5, 2023 |
| Linux | libcap-devel ol 8 | 0:2.48-5.el8_8 | [ELSA-2023-4524](https://patchblox.com/security/data/fix/linux/elsa-2023-4524.md) | Aug 9, 2023 |
| Linux | libcap-devel ol 9 | 0:2.48-9.el9_2 | [ELSA-2023-5071](https://patchblox.com/security/data/fix/linux/elsa-2023-5071.md) | Sep 13, 2023 |
| Linux | libcap-static amzn 2023 | 2.48-2.amzn2023.0.3 | [ALAS2023-2023-195](https://patchblox.com/security/data/fix/linux/alas2023-2023-195.md) | Jun 5, 2023 |
| Linux | libcap2 Debian 11.6 (bullseye) | 1:2.44-1+deb11u1 | [DLA-4092-1](https://patchblox.com/security/data/fix/linux/dla-4092-1.md) | Mar 26, 2025 |
| Linux | libcap2 Debian 12.15 (bookworm) | 1:2.66-4 | [DEBIAN-CVE-2023-2602](https://patchblox.com/security/data/fix/linux/debian-cve-2023-2602.md) | Jun 6, 2023 |
| Linux | libcap2 Debian 13.5 (trixie) | 1:2.66-4 | [DEBIAN-CVE-2023-2602](https://patchblox.com/security/data/fix/linux/debian-cve-2023-2602.md) | Jun 6, 2023 |
| Linux | libcap2 Debian 14 | 1:2.66-4 | [DEBIAN-CVE-2023-2602](https://patchblox.com/security/data/fix/linux/debian-cve-2023-2602.md) | Jun 6, 2023 |
| Linux | libcap2 Ubuntu 20.04 LTS (focal) | 1:2.32-1ubuntu0.1 | [libcap2 1:2.32-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libcap2-1-2.32-1ubuntu0.1.md) | May 14, 2023 |
| Linux | libcap2 Ubuntu 22.04.1 LTS (jammy) | 1:2.44-1ubuntu0.22.04.1 | [libcap2 1:2.44-1ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libcap2-1-2.44-1ubuntu0.22.04.1.md) | May 14, 2023 |
| Linux | libcap2 Ubuntu 24.04.5 LTS (noble) | 1:2.66-4ubuntu1 | [libcap2 1:2.66-4ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libcap2-1-2.66-4ubuntu1.md) | May 14, 2023 |
| Linux | libcap2 Ubuntu 24.10 (oracular) | 1:2.66-4ubuntu1 | [libcap2 1:2.66-4ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libcap2-1-2.66-4ubuntu1.md) | May 15, 2023 |
| Linux | libcap2 Ubuntu 25.04 (plucky) | 1:2.66-4ubuntu1 | [libcap2 1:2.66-4ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libcap2-1-2.66-4ubuntu1.md) | May 15, 2023 |
| Linux | libcap2-bin Ubuntu 20.04 LTS (focal) | 1:2.32-1ubuntu0.1 | [libcap2-bin 1:2.32-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libcap2-bin-1-2.32-1ubuntu0.1.md) | May 14, 2023 |
| Linux | libcap2-bin Ubuntu 22.04.1 LTS (jammy) | 1:2.44-1ubuntu0.22.04.1 | [libcap2-bin 1:2.44-1ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libcap2-bin-1-2.44-1ubuntu0.22.04.1.md) | May 14, 2023 |
| Linux | libcap2-bin Ubuntu 24.04.5 LTS (noble) | 1:2.66-4ubuntu1 | [libcap2-bin 1:2.66-4ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libcap2-bin-1-2.66-4ubuntu1.md) | May 14, 2023 |
| Linux | libcap2-bin Ubuntu 24.10 (oracular) | 1:2.66-4ubuntu1 | [libcap2-bin 1:2.66-4ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libcap2-bin-1-2.66-4ubuntu1.md) | May 15, 2023 |
| Linux | libcap2-bin Ubuntu 25.04 (plucky) | 1:2.66-4ubuntu1 | [libcap2-bin 1:2.66-4ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libcap2-bin-1-2.66-4ubuntu1.md) | May 15, 2023 |
| Linux | libpam-cap Ubuntu 20.04 LTS (focal) | 1:2.32-1ubuntu0.1 | [libpam-cap 1:2.32-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libpam-cap-1-2.32-1ubuntu0.1.md) | May 14, 2023 |
| Linux | libpam-cap Ubuntu 22.04.1 LTS (jammy) | 1:2.44-1ubuntu0.22.04.1 | [libpam-cap 1:2.44-1ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libpam-cap-1-2.44-1ubuntu0.22.04.1.md) | May 14, 2023 |
| Linux | libpam-cap Ubuntu 24.04.5 LTS (noble) | 1:2.66-4ubuntu1 | [libpam-cap 1:2.66-4ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libpam-cap-1-2.66-4ubuntu1.md) | May 14, 2023 |
| Linux | libpam-cap Ubuntu 24.10 (oracular) | 1:2.66-4ubuntu1 | [libpam-cap 1:2.66-4ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libpam-cap-1-2.66-4ubuntu1.md) | May 15, 2023 |
| Linux | libpam-cap Ubuntu 25.04 (plucky) | 1:2.66-4ubuntu1 | [libpam-cap 1:2.66-4ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libpam-cap-1-2.66-4ubuntu1.md) | May 15, 2023 |

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