CVE-2026-80751
- Source
- https://cve.org/CVERecord?id=CVE-2026-80751
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-80751.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2026-80751
- Downstream
- Published
- 2026-09-03T08:26:31Z
- Modified
- 2026-09-05T03:48:19Z
- Severity
-
- 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- pmdomain: mediatek: mfg: initialize prev_o in mtk_mfg_attach_dev()
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
pmdomain: mediatek: mfg: initialize prev_o in mtk_mfg_attach_dev()
mtk_mfg_attach_dev() reads prev_o on the first iteration of its loop, in "if (prev_o && prev_o->freq == o->freq)", before prev_o is assigned at the end of the loop body. On that first iteration, evaluating prev_o reads an indeterminate value. If it is non-NULL, the condition dereferences a stale or invalid pointer, potentially faulting or incorrectly skipping the first OPP.
Initialize prev_o to NULL. This matches the intent as well: there is no previous OPP to compare against on the first iteration.
Found with Clang's -Wconditional-uninitialized.
- Database specific
{ "cna_assigner": "Linux", "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80751.json" }- References
-
- https://git.kernel.org/stable/c/090a95dbe13df9965279b588d97eda134831769c
- https://git.kernel.org/stable/c/de4eec0dfde8c0e27f8915bbb244d17ff68f2fb4
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80751.json
- https://nvd.nist.gov/vuln/detail/CVE-2026-80751
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git