VDB
CVE-2023-53423
CVE-2023-53423
PUBLISHED
CVSS 5.5 MEDIUM
objtool: Fix memory leak in create_static_call_sections()
Reported by linux · Published September 18, 2025
In the Linux kernel, the following vulnerability has been resolved: objtool: Fix memory leak in create_static_call_sections() strdup() allocates memory for key_name. We need to release the memory in the following error paths. Add free() to avoid memory leak.
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| kernel-tools | Amazon Linux | 6.1.19-30.43.amzn2023 |
| kernel-libbpf-devel | Amazon Linux | 6.1.19-30.43.amzn2023 |
| kernel-tools-devel | Amazon Linux | 6.1.19-30.43.amzn2023 |
| kernel-libbpf | Amazon Linux | 6.1.19-30.43.amzn2023 |
| linux_kernel | linux | 6.2.5, 6.1.18, 5.15.100, 5.10.173 |
Risk scores
CVSS 3.1
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | 1e7e47883830aae5e8246a22ca2fc6883c61acdf, 1e7e47883830aae5e8246a22ca2fc6883c61acdf, 1e7e47883830aae5e8246a22ca2fc6883c61acdf |
| Linux | Linux | 5.10, 0, 5.10.173 |
| amazon:2023 | kernel-tools | 0 |
| amazon:2023 | kernel-libbpf-devel | 0 |
| amazon:2023 | kernel-tools-devel | 0 |
| amazon:2023 | kernel-libbpf | 0 |
| linux | linux_kernel | 5.10, 5.10, 5.10 |
| amazon:2023 | kernel-livepatch-6.1.19-30.43 | 0 |
| amazon:2023 | kernel-devel | 0 |
| amazon:2023 | kernel | 0 |
| amazon:2023 | bpftool | 0 |
| amazon:2023 | python3-perf | 0 |
| amazon:2023 | perf | 0 |
| amazon:2023 | kernel-headers | 0 |
| Linux | Linux | 1e7e47883830aae5e8246a22ca2fc6883c61acdf, 1e7e47883830aae5e8246a22ca2fc6883c61acdf, 5.10 |
| amazon:2023 | kernel-libbpf-static | 0 |
Timeline
- Sep 18, 2025 CVE Published
- Sep 19, 2025 EPSS Score (30 in total, the first dated here)
- Oct 12, 2025 Coalition ESS Score (6 in total, the first dated here)
- Jan 24, 2026 Security Advisory (67 in total, the first dated here)
- Oct 7, 2026 Distribution Patch (52 in total, the first dated here)
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln CVE-2023-53423
vulnetix vdb fixes CVE-2023-53423Or with curl, using the org id and key from your account page:
curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
"https://api.vdb.vulnetix.com/v2/vuln/CVE-2023-53423/fixes/registry"The Community plan is free and allows 50 queries a day. Get a free API key · API quickstart