KVM: PPC: Fix kvm_arch_vcpu_ioctl vcpu_load leak (Linux Linux)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.24 % · percentile 15 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- Linux
- NVD status
- Modified
Description
In the Linux kernel, the following vulnerability has been resolved: KVM: PPC: Fix kvm_arch_vcpu_ioctl vcpu_load leak vcpu_put is not called if the user copy fails. This can result in preempt notifier corruption and crashes, among other issues.
Weaknesses (CWE)
- CWE-401 — Missing Release of Memory after Effective Lifetime
References
- https://git.kernel.org/stable/c/9bafc34dc4ad0cef18727c557f21ed3c3304df50
- https://git.kernel.org/stable/c/f38527f1890543cdfca8dfd06f75f9887cce6151
- https://git.kernel.org/stable/c/e14ef1095387f764d95614d3ec9e4d07c82a3533
- https://git.kernel.org/stable/c/a4a488915feaad38345cc01b80d52e8200ff5209
- https://git.kernel.org/stable/c/bc4188a2f56e821ea057aca6bf444e138d06c252
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | Linux |
| CVSS 3.1 | HIGH 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | NVD · 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary) |
| CVSS 3.1 | MEDIUM 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2021-34301
- GCVE · GCVE-0-2021-47296
CERT-FR advisories
- CERTFR-2025-AVI-0529 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2024-AVI-0526 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2024-AVI-0496 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 4.18 < 4.19.199cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 4.20 < 5.4.136cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 5.5 < 5.10.54cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 5.11 < 5.13.6cpe:2.3:o:linux:linux_kernel:5.14:rc1:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:5.14:rc2:*:*:*:*:*:*
Affected products
| Product | Versions |
|---|---|
| Linux · Linux | affected b3cebfe8c1cadf1817939dcc3688a2504a69c662 < 9bafc34dc4ad0cef18727c557f21ed3c3304df50 ; affected b3cebfe8c1cadf1817939dcc3688a2504a69c662 < f38527f1890543cdfca8dfd06f75f9887cce6151 ; affected b3cebfe8c1cadf1817939dcc3688a2504a69c662 < e14ef1095387f764d95614d3ec9e4d07c82a3533 ; affected b3cebfe8c1cadf1817939dcc3688a2504a69c662 < a4a488915feaad38345cc01b80d52e8200ff5209 ; affected b3cebfe8c1cadf1817939dcc3688a2504a69c662 < bc4188a2f56e821ea057aca6bf444e138d06c252 |
| Linux · Linux | affected 4.18 ; unaffected 0 < 4.18 ; unaffected 4.19.199 ≤ 4.19.* ; unaffected 5.4.136 ≤ 5.4.* ; unaffected 5.10.54 ≤ 5.10.* ; unaffected 5.13.6 ≤ 5.13.* |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |