# CVE-2024-38576: linux: In the Linux kernel, the following vulnerability has been resolved:  rcu: Fix buffer overflow in print_cpu_stall_info...

CVE-2024-38576 is fixed in 47 products on 1 platform, first by DEBIAN-CVE-2024-38576, released June 19, 2024. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2024-38576
- Priority: High
- CVSS: 7.0 (high)
- EPSS: 0.0026
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jun 19, 2024

## Description

In the Linux kernel, the following vulnerability has been resolved:  rcu: Fix buffer overflow in print_cpu_stall_info()  The rcuc-starvation output from print_cpu_stall_info() might overflow the buffer if there is a huge difference in jiffies difference.  The situation might seem improbable, but computers sometimes get very confused about time, which can result in full-sized integers, and, in this case, buffer overflow.  Also, the unsigned jiffies difference is printed using %ld, which is normally for signed integers.  This is intentional for debugging purposes, but it is not obvious from the code.  This commit therefore changes sprintf() to snprintf() and adds a clarifying comment about intention of %ld format.  Found by Linux Verification Center (linuxtesting.org) with SVACE.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | bpftool amzn 2023 | 6.1.94-99.176.amzn2023 | [ALAS2023-2024-683](https://patchblox.com/security/data/fix/linux/alas2023-2024-683.md) | Aug 1, 2024 |
| Linux | bpftool-debuginfo amzn 2023 | 6.1.94-99.176.amzn2023 | [ALAS2023-2024-683](https://patchblox.com/security/data/fix/linux/alas2023-2024-683.md) | Aug 1, 2024 |
| Linux | dtb-aarch64 opensuse-leap 15.6 | 6.4.0-150600.23.30.1 | [SUSE-SU-2024:4318-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4318-1.md) | Dec 13, 2024 |
| Linux | kernel amzn 2023 | 6.1.94-99.176.amzn2023 | [ALAS2023-2024-683](https://patchblox.com/security/data/fix/linux/alas2023-2024-683.md) | Aug 1, 2024 |
| Linux | kernel-64kb opensuse-leap 15.6 | 6.4.0-150600.23.30.1 | [SUSE-SU-2024:4318-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4318-1.md) | Dec 13, 2024 |
| Linux | kernel-64kb sles 15.6 | 6.4.0-150600.23.30.1 | [SUSE-SU-2024:4318-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4318-1.md) | Dec 13, 2024 |
| Linux | kernel-azure opensuse-leap 15.6 | 6.4.0-150600.8.17.2 | [SUSE-SU-2024:3984-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-3984-1.md) | Nov 13, 2024 |
| Linux | kernel-azure sles 15.6 | 6.4.0-150600.8.17.2 | [SUSE-SU-2024:3984-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-3984-1.md) | Nov 13, 2024 |
| Linux | kernel-coco sles 15.6 | 6.4.0-15061.9.coco15sp6.1 | [SUSE-SU-2024:4387-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4387-1.md) | Dec 19, 2024 |
| Linux | kernel-coco_debug sles 15.6 | 6.4.0-15061.9.coco15sp6.1 | [SUSE-SU-2024:4387-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4387-1.md) | Dec 19, 2024 |
| Linux | kernel-debug opensuse-leap 15.6 | 6.4.0-150600.23.30.1 | [SUSE-SU-2024:4318-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4318-1.md) | Dec 13, 2024 |
| Linux | kernel-debuginfo amzn 2023 | 6.1.94-99.176.amzn2023 | [ALAS2023-2024-683](https://patchblox.com/security/data/fix/linux/alas2023-2024-683.md) | Aug 1, 2024 |
| Linux | kernel-debuginfo-common-aarch64 amzn 2023 | 6.1.94-99.176.amzn2023 | [ALAS2023-2024-683](https://patchblox.com/security/data/fix/linux/alas2023-2024-683.md) | Aug 1, 2024 |
| Linux | kernel-debuginfo-common-x86_64 amzn 2023 | 6.1.94-99.176.amzn2023 | [ALAS2023-2024-683](https://patchblox.com/security/data/fix/linux/alas2023-2024-683.md) | Aug 1, 2024 |
| Linux | kernel-default opensuse-leap 15.6 | 6.4.0-150600.23.30.1 | [SUSE-SU-2024:4318-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4318-1.md) | Dec 13, 2024 |
| Linux | kernel-default sles 15.6 | 6.4.0-150600.23.30.1 | [SUSE-SU-2024:4318-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4318-1.md) | Dec 13, 2024 |
| Linux | kernel-default-base opensuse-leap 15.6 | 6.4.0-150600.23.30.1.150600.12.12.6 | [SUSE-SU-2024:4318-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4318-1.md) | Dec 13, 2024 |
| Linux | kernel-default-base sles 15.6 | 6.4.0-150600.23.30.1.150600.12.12.6 | [SUSE-SU-2024:4318-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4318-1.md) | Dec 13, 2024 |
| Linux | kernel-devel amzn 2023 | 6.1.94-99.176.amzn2023 | [ALAS2023-2024-683](https://patchblox.com/security/data/fix/linux/alas2023-2024-683.md) | Aug 1, 2024 |
| Linux | kernel-docs opensuse-leap 15.6 | 6.4.0-150600.23.30.1 | [SUSE-SU-2024:4318-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4318-1.md) | Dec 13, 2024 |
| Linux | kernel-docs sles 15.6 | 6.4.0-150600.23.30.1 | [SUSE-SU-2024:4318-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4318-1.md) | Dec 13, 2024 |
| Linux | kernel-headers amzn 2023 | 6.1.94-99.176.amzn2023 | [ALAS2023-2024-683](https://patchblox.com/security/data/fix/linux/alas2023-2024-683.md) | Aug 1, 2024 |
| Linux | kernel-kvmsmall opensuse-leap 15.6 | 6.4.0-150600.23.30.1 | [SUSE-SU-2024:4318-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4318-1.md) | Dec 13, 2024 |
| Linux | kernel-libbpf amzn 2023 | 6.1.94-99.176.amzn2023 | [ALAS2023-2024-683](https://patchblox.com/security/data/fix/linux/alas2023-2024-683.md) | Aug 1, 2024 |
| Linux | kernel-libbpf-devel amzn 2023 | 6.1.94-99.176.amzn2023 | [ALAS2023-2024-683](https://patchblox.com/security/data/fix/linux/alas2023-2024-683.md) | Aug 1, 2024 |
| Linux | kernel-libbpf-static amzn 2023 | 6.1.94-99.176.amzn2023 | [ALAS2023-2024-683](https://patchblox.com/security/data/fix/linux/alas2023-2024-683.md) | Aug 1, 2024 |
| Linux | kernel-livepatch-6.1.94-99.176 amzn 2023 | 1.0-0.amzn2023 | [ALAS2023-2024-683](https://patchblox.com/security/data/fix/linux/alas2023-2024-683.md) | Aug 1, 2024 |
| Linux | kernel-livepatch-SLE15-SP6-RT_Update_5 sles 15.6 | 1-150600.1.3.1 | [SUSE-SU-2024:3986-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-3986-1.md) | Nov 13, 2024 |
| Linux | kernel-livepatch-SLE15-SP6_Update_6 sles 15.6 | 1-150600.13.3.5 | [SUSE-SU-2024:4318-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4318-1.md) | Dec 13, 2024 |
| Linux | kernel-modules-extra amzn 2023 | 6.1.94-99.176.amzn2023 | [ALAS2023-2024-683](https://patchblox.com/security/data/fix/linux/alas2023-2024-683.md) | Aug 1, 2024 |
| Linux | kernel-modules-extra-common amzn 2023 | 6.1.94-99.176.amzn2023 | [ALAS2023-2024-683](https://patchblox.com/security/data/fix/linux/alas2023-2024-683.md) | Aug 1, 2024 |
| Linux | kernel-obs-build opensuse-leap 15.6 | 6.4.0-150600.23.30.1 | [SUSE-SU-2024:4318-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4318-1.md) | Dec 13, 2024 |
| Linux | kernel-obs-build sles 15.6 | 6.4.0-150600.23.30.1 | [SUSE-SU-2024:4318-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4318-1.md) | Dec 13, 2024 |
| Linux | kernel-obs-qa opensuse-leap 15.6 | 6.4.0-150600.23.30.1 | [SUSE-SU-2024:4318-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4318-1.md) | Dec 13, 2024 |
| Linux | kernel-rt opensuse-leap 15.6 | 6.4.0-150600.10.17.1 | [SUSE-SU-2024:3986-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-3986-1.md) | Nov 13, 2024 |
| Linux | kernel-rt_debug opensuse-leap 15.6 | 6.4.0-150600.10.17.1 | [SUSE-SU-2024:3986-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-3986-1.md) | Nov 13, 2024 |
| Linux | kernel-source opensuse-leap 15.6 | 6.4.0-150600.23.30.1 | [SUSE-SU-2024:4318-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4318-1.md) | Dec 13, 2024 |
| Linux | kernel-source sles 15.6 | 6.4.0-150600.23.30.1 | [SUSE-SU-2024:4318-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4318-1.md) | Dec 13, 2024 |
| Linux | kernel-source-azure opensuse-leap 15.6 | 6.4.0-150600.8.17.1 | [SUSE-SU-2024:3984-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-3984-1.md) | Nov 13, 2024 |
| Linux | kernel-source-azure sles 15.6 | 6.4.0-150600.8.17.1 | [SUSE-SU-2024:3984-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-3984-1.md) | Nov 13, 2024 |
| Linux | kernel-source-coco sles 15.6 | 6.4.0-15061.9.coco15sp6.1 | [SUSE-SU-2024:4387-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4387-1.md) | Dec 19, 2024 |
| Linux | kernel-source-rt opensuse-leap 15.6 | 6.4.0-150600.10.17.1 | [SUSE-SU-2024:3986-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-3986-1.md) | Nov 13, 2024 |
| Linux | kernel-syms opensuse-leap 15.6 | 6.4.0-150600.23.30.1 | [SUSE-SU-2024:4318-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4318-1.md) | Dec 13, 2024 |
| Linux | kernel-syms sles 15.6 | 6.4.0-150600.23.30.1 | [SUSE-SU-2024:4318-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4318-1.md) | Dec 13, 2024 |
| Linux | kernel-syms-azure opensuse-leap 15.6 | 6.4.0-150600.8.17.1 | [SUSE-SU-2024:3984-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-3984-1.md) | Nov 13, 2024 |
| Linux | kernel-syms-azure sles 15.6 | 6.4.0-150600.8.17.1 | [SUSE-SU-2024:3984-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-3984-1.md) | Nov 13, 2024 |
| Linux | kernel-syms-coco sles 15.6 | 6.4.0-15061.9.coco15sp6.1 | [SUSE-SU-2024:4387-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4387-1.md) | Dec 19, 2024 |
| Linux | kernel-syms-rt opensuse-leap 15.6 | 6.4.0-150600.10.17.1 | [SUSE-SU-2024:3986-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-3986-1.md) | Nov 13, 2024 |
| Linux | kernel-tools amzn 2023 | 6.1.94-99.176.amzn2023 | [ALAS2023-2024-683](https://patchblox.com/security/data/fix/linux/alas2023-2024-683.md) | Aug 1, 2024 |
| Linux | kernel-tools-debuginfo amzn 2023 | 6.1.94-99.176.amzn2023 | [ALAS2023-2024-683](https://patchblox.com/security/data/fix/linux/alas2023-2024-683.md) | Aug 1, 2024 |
| Linux | kernel-tools-devel amzn 2023 | 6.1.94-99.176.amzn2023 | [ALAS2023-2024-683](https://patchblox.com/security/data/fix/linux/alas2023-2024-683.md) | Aug 1, 2024 |
| Linux | kernel-zfcpdump opensuse-leap 15.6 | 6.4.0-150600.23.30.1 | [SUSE-SU-2024:4318-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4318-1.md) | Dec 13, 2024 |
| Linux | kernel-zfcpdump sles 15.6 | 6.4.0-150600.23.30.1 | [SUSE-SU-2024:4318-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4318-1.md) | Dec 13, 2024 |
| Linux | linux Debian 12.15 (bookworm) | 6.1.94-1 | [DEBIAN-CVE-2024-38576](https://patchblox.com/security/data/fix/linux/debian-cve-2024-38576.md) | Jun 19, 2024 |
| Linux | linux Debian 13.5 (trixie) | 6.8.12-1 | [DEBIAN-CVE-2024-38576](https://patchblox.com/security/data/fix/linux/debian-cve-2024-38576.md) | Jun 19, 2024 |
| Linux | linux Debian 14 | 6.8.12-1 | [DEBIAN-CVE-2024-38576](https://patchblox.com/security/data/fix/linux/debian-cve-2024-38576.md) | Jun 19, 2024 |
| Linux | perf amzn 2023 | 6.1.94-99.176.amzn2023 | [ALAS2023-2024-683](https://patchblox.com/security/data/fix/linux/alas2023-2024-683.md) | Aug 1, 2024 |
| Linux | perf-debuginfo amzn 2023 | 6.1.94-99.176.amzn2023 | [ALAS2023-2024-683](https://patchblox.com/security/data/fix/linux/alas2023-2024-683.md) | Aug 1, 2024 |
| Linux | python3-perf amzn 2023 | 6.1.94-99.176.amzn2023 | [ALAS2023-2024-683](https://patchblox.com/security/data/fix/linux/alas2023-2024-683.md) | Aug 1, 2024 |
| Linux | python3-perf-debuginfo amzn 2023 | 6.1.94-99.176.amzn2023 | [ALAS2023-2024-683](https://patchblox.com/security/data/fix/linux/alas2023-2024-683.md) | Aug 1, 2024 |

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