VDB
CVE-2023-54042
CVE-2023-54042
PUBLISHED
CVSS 7.8 HIGH
powerpc/64s: Fix VAS mm use after free
Reported by linux · Published December 24, 2025
In the Linux kernel, the following vulnerability has been resolved: powerpc/64s: Fix VAS mm use after free The refcount on mm is dropped before the coprocessor is detached.
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| Linux | Linux | f7d92313002b2d543500cc417d8079aaed1fb0a8, b4bda59b47879cce38a6ec5a01cd3cac702b5331, 4e82f92c349ea603736ade1e814861c0182a55ad, 421cd1544480f2458042fe7f4913a2069c4d7251 |
Risk scores
CVSS 3.1
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | 7bc6f71bdff5f8921e324da0a8fad6f4e2e63a85, 7bc6f71bdff5f8921e324da0a8fad6f4e2e63a85, 7bc6f71bdff5f8921e324da0a8fad6f4e2e63a85 |
| Linux | Linux | 5.14, 0, 5.15.121 |
| Linux | Linux | 7bc6f71bdff5f8921e324da0a8fad6f4e2e63a85, 5.15.121, 6.1.39 |
| linux | linux_kernel | 5.14, 5.14, 5.14 |
Timeline
- Dec 24, 2025 CVE Published
- Dec 28, 2025 EPSS Score (29 in total, the first dated here)
- Jun 2, 2026 Security Advisory (116 in total, the first dated here)
- Jul 27, 2026 Coalition ESS Score
- Sep 29, 2026 CVE Updated
- Oct 2, 2026 Distribution Patch (111 in total, the first dated here)
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln CVE-2023-54042
vulnetix vdb fixes CVE-2023-54042Or 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-2023-54042/fixes/registry"The Community plan is free and allows 50 queries a day. Get a free API key · API quickstart