High severity7.8NVD Advisory· Published Jul 25, 2025· Updated Jul 30, 2026
CVE-2025-38421
CVE-2025-38421
Description
In the Linux kernel, the following vulnerability has been resolved:
platform/x86/amd: pmf: Use device managed allocations
If setting up smart PC fails for any reason then this can lead to a double free when unloading amd-pmf. This is because dev->buf was freed but never set to NULL and is again freed in amd_pmf_remove().
To avoid subtle allocation bugs in failures leading to a double free change all allocations into device managed allocations.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
49cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 6 more
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=6.12.23,<6.13
- cpe:2.3:o:linux:linux_kernel:6.14:-:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.14:rc7:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.16:rc1:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.16:rc2:*:*:*:*:*:*
- (no CPE)
- (no CPE)range: 6.14
- osv-coords42 versionspkg:apk/chainguard/linux-aws-6.12pkg:apk/chainguard/linux-azure-6.12pkg:apk/chainguard/linux-gcp-6.12pkg:apk/chainguard/linux-qemu-6.12pkg:apk/chainguard/linux-vmware-6.12pkg:linux/kernelpkg:rpm/opensuse/dtb-aarch64&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-64kb&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-default-base&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-docs&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-kvmsmall&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-obs-build&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-rt&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-zfcpdump&distro=openSUSE%20Leap%2016.0pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Micro%206.2pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2016.0pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Micro%206.2pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Micro%206.2pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-kvmsmall&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-kvmsmall&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-obs-qa&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-obs-qa&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Micro%206.2pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Micro%206.2pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0
< 6.12.80-r0+ 41 more
- (no CPE)range: < 6.12.80-r0
- (no CPE)range: < 6.12.80-r0
- (no CPE)range: < 6.12.80-r0
- (no CPE)range: < 6.12.80-r0
- (no CPE)range: < 6.12.80-r0
- (no CPE)range: >= 6.14.0, < 6.15.4
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.12.0-160000.6.1.160000.2.4
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.12.0-160000.6.1.160000.2.4
- (no CPE)range: < 6.12.0-160000.6.1.160000.2.4
- (no CPE)range: < 6.12.0-160000.6.1.160000.2.4
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.12.0-160000.6.1
- (no CPE)range: < 6.12.0-160000.6.1
Patches
Vulnerability mechanics
References
2News mentions
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