CVE-2023-52614
PM / devfreq: Fix buffer overflow in trans_stat_show
Reported by linux · Published March 18, 2024
In the Linux kernel, the following vulnerability has been resolved: PM / devfreq: Fix buffer overflow in trans_stat_show Fix buffer overflow in trans_stat_show(). Convert simple snprintf to the more secure scnprintf with size of PAGE_SIZE. Add condition checking if we are exceeding PAGE_SIZE and exit early from loop. Also add at the end a warning that we exceeded PAGE_SIZE and that stats is disabled. Return -EFBIG in the case where we don't have enough space to write the full transition table. Also document in the ABI that this function can return -EFBIG error.
Risk scores
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | e552bbaf5b987f57c43e6981a452b8a3c700b1ae, e552bbaf5b987f57c43e6981a452b8a3c700b1ae, e552bbaf5b987f57c43e6981a452b8a3c700b1ae |
| Linux | Linux | 3.8, 0, 5.10.216 |
| linux | linux_kernel | 3.8, 3.8, 3.8 |
| amazon:2023 | kernel-libbpf | 0 |
| amazon:2023 | kernel-modules-extra-common | 0 |
| amazon:2023 | kernel-livepatch-6.1.77-99.164 | 0 |
| amazon:2023 | kernel-libbpf-devel | 0 |
| Siemens | SIMATIC S7-1500 TM MFP - GNU/Linux subsystem | 0 |
| amazon:2023 | kernel-modules-extra | 0 |
| amazon:2023 | kernel-headers | 0 |
| amazon:2023 | kernel-tools | 0 |
| amazon:2023 | kernel-tools-devel | 0 |
| amazon:2023 | perf | 0 |
| amazon:2023 | bpftool | 0 |
| amazon:2023 | kernel-devel | 0 |
| amazon:2023 | kernel | 0 |
| Linux | Linux | *, *, * |
| amazon:2023 | kernel-libbpf-static | 0 |
| amazon:2023 | python3-perf | 0 |
Timeline
- Mar 18, 2024 CVE Published
- Mar 19, 2024 EPSS Score (30 in total, the first dated here)
- Oct 4, 2024 Coalition ESS Score (6 in total, the first dated here)
- Jan 25, 2026 Security Advisory (103 in total, the first dated here)
- Mar 30, 2026 Distribution Patch (93 in total, the first dated here)
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