CVE-2026-90136: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: platform/x86/amd/hsmp: Reject negative power cap writes in hwmon hsmphwmonwrite takes the user-supplied hwmon value as a signed long and assigns "val / MICROWATTPERMILLIWATT" to msg.args0, which is a u32. MICROWATTPERMILLIWATT is...

CVE-2026-81016: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: platform/x86/amd/pmc: Propagate SMU errors and validate S2D address amdstbs2dinit discards the return value of several S2D SMU commands. When the SMU refuses a command e.g. "SMU cmd failed. err: 0xff" the failure is only noticed...

UBUNTU-CVE-2026-23065

In the Linux kernel, the following vulnerability has been resolved: platform/x86/amd: Fix memory leak in wbrfrecord The tmp buffer is allocated using kcalloc but is not freed if acpievaluatedsm fails. This causes a memory leak in the error path. Fix this by explicitly freeing the tmp buffer in th...

CVE-2026-23065: Missing Release of Memory after Effective Lifetime

In the Linux kernel, the following vulnerability has been resolved: platform/x86/amd: Fix memory leak in wbrfrecord The tmp buffer is allocated using kcalloc but is not freed if acpievaluatedsm fails. This causes a memory leak in the error path. Fix this by explicitly freeing the tmp buffer in th...

CVE-2023-54320: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: platform/x86/amd: pmc: Fix memory leak in amdpmcstbdebugfsopenv2 Function amdpmcstbdebugfsopenv2 may be called when the STB debug mechanism enabled. When amdpmcsendcmd fails, the 'buf' needs to be released...

CVE-2025-39678: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: platform/x86/amd/hsmp: Ensure sock-metrictbladdr is non-NULL If metric table address is not allocated, accessing metricsbin will result in a NULL pointer dereference, so add a check...

CVE-2024-53072 platform/x86/amd/pmc: Detect when STB is not available

In the Linux kernel, the following vulnerability has been resolved: platform/x86/amd/pmc: Detect when STB is not available Loading the amdpmc module as: amdpmc enablestb=1 ...can result in the following messages in the kernel ring buffer: amdpmc AMDI0009:00: SMU cmd failed. err: 0xff ioremap on R...

CVE-2022-48881 platform/x86/amd: Fix refcount leak in amd_pmc_probe

In the Linux kernel, the following vulnerability has been resolved: platform/x86/amd: Fix refcount leak in amdpmcprobe pcigetdomainbusandslot takes reference, the caller should release the reference by calling pcidevput after use. Call pcidevput in the error path to fix this...

CVE-2022-48881 platform/x86/amd: Fix refcount leak in amd_pmc_probe

In the Linux kernel, the following vulnerability has been resolved: platform/x86/amd: Fix refcount leak in amdpmcprobe pcigetdomainbusandslot takes reference, the caller should release the reference by calling pcidevput after use. Call pcidevput in the error path to fix this...